./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:24:06,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:24:06,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:24:06,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:24:06,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:24:06,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:24:06,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:24:06,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:24:06,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:24:06,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:24:06,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:24:06,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:24:06,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:24:06,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:24:06,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:24:06,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:24:06,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:24:06,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:24:06,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:24:06,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:24:06,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:24:06,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:24:06,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:24:06,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:24:06,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:24:06,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:24:06,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:24:06,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:24:06,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:24:06,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:24:06,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:24:06,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:24:06,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:24:06,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:24:06,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:24:06,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:24:06,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:24:06,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:24:06,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:24:06,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:24:06,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:24:06,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:24:06,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:24:06,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:24:06,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:24:06,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:24:06,169 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:24:06,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:24:06,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:24:06,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:24:06,174 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:24:06,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:24:06,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:24:06,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:24:06,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:24:06,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:24:06,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:24:06,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:24:06,177 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:24:06,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:24:06,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:24:06,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:24:06,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:24:06,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:24:06,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:24:06,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:24:06,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:24:06,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:24:06,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:24:06,187 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:24:06,188 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:24:06,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:24:06,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 [2022-11-21 17:24:06,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:24:06,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:24:06,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:24:06,485 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:24:06,486 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:24:06,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:24:09,643 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:24:10,233 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:24:10,234 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:24:10,272 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/6ff02d591/ca00ef2c795543cbb37bdf3172baab9d/FLAGd379f9c46 [2022-11-21 17:24:10,291 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/6ff02d591/ca00ef2c795543cbb37bdf3172baab9d [2022-11-21 17:24:10,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:24:10,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:24:10,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:10,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:24:10,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:24:10,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:10" (1/1) ... [2022-11-21 17:24:10,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320e15bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:10, skipping insertion in model container [2022-11-21 17:24:10,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:24:10" (1/1) ... [2022-11-21 17:24:10,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:24:10,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:24:11,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2022-11-21 17:24:12,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:12,078 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:24:12,357 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2022-11-21 17:24:12,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:24:12,408 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:24:12,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12 WrapperNode [2022-11-21 17:24:12,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:24:12,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:12,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:24:12,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:24:12,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,758 INFO L138 Inliner]: procedures = 180, calls = 1491, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 3851 [2022-11-21 17:24:12,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:24:12,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:24:12,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:24:12,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:24:12,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,925 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:24:12,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:24:12,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:24:12,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:24:12,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (1/1) ... [2022-11-21 17:24:12,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:24:12,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:24:13,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:24:13,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:24:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 17:24:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 17:24:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2022-11-21 17:24:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2022-11-21 17:24:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:24:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2022-11-21 17:24:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2022-11-21 17:24:13,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:24:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:24:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2022-11-21 17:24:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2022-11-21 17:24:13,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:24:13,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:24:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:24:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:24:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:24:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2022-11-21 17:24:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2022-11-21 17:24:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2022-11-21 17:24:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2022-11-21 17:24:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:24:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:24:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 17:24:13,058 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 17:24:13,058 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 17:24:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 17:24:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2022-11-21 17:24:13,059 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2022-11-21 17:24:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:24:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:24:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-21 17:24:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-21 17:24:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2022-11-21 17:24:13,061 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2022-11-21 17:24:13,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 17:24:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 17:24:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 17:24:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 17:24:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 17:24:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 17:24:13,063 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:24:13,063 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:24:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-21 17:24:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-21 17:24:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2022-11-21 17:24:13,064 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2022-11-21 17:24:13,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:24:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:24:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:24:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2022-11-21 17:24:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2022-11-21 17:24:13,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:24:13,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:24:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2022-11-21 17:24:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2022-11-21 17:24:13,066 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2022-11-21 17:24:13,066 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2022-11-21 17:24:13,067 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2022-11-21 17:24:13,067 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2022-11-21 17:24:13,068 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2022-11-21 17:24:13,069 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2022-11-21 17:24:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 17:24:13,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 17:24:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:24:13,069 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:24:13,069 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2022-11-21 17:24:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2022-11-21 17:24:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2022-11-21 17:24:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2022-11-21 17:24:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2022-11-21 17:24:13,070 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2022-11-21 17:24:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:24:13,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 17:24:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 17:24:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:24:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:24:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2022-11-21 17:24:13,071 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2022-11-21 17:24:13,071 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2022-11-21 17:24:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2022-11-21 17:24:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:24:13,072 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2022-11-21 17:24:13,072 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2022-11-21 17:24:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:24:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:24:13,073 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2022-11-21 17:24:13,073 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2022-11-21 17:24:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 17:24:13,074 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2022-11-21 17:24:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2022-11-21 17:24:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2022-11-21 17:24:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2022-11-21 17:24:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:24:13,075 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 17:24:13,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 17:24:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2022-11-21 17:24:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2022-11-21 17:24:13,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 17:24:13,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 17:24:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-21 17:24:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-21 17:24:13,077 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:24:13,077 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:24:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:24:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2022-11-21 17:24:13,078 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2022-11-21 17:24:13,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:24:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-21 17:24:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-21 17:24:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2022-11-21 17:24:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2022-11-21 17:24:13,079 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2022-11-21 17:24:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2022-11-21 17:24:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:24:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:24:13,080 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 17:24:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 17:24:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 17:24:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 17:24:13,084 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 17:24:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 17:24:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2022-11-21 17:24:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2022-11-21 17:24:13,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 17:24:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 17:24:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-21 17:24:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-21 17:24:13,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:24:13,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-21 17:24:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-21 17:24:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-11-21 17:24:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-11-21 17:24:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:24:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 17:24:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 17:24:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:24:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:24:13,763 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:24:13,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:24:14,170 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:24:26,528 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:24:26,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:24:26,546 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 17:24:26,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:26 BoogieIcfgContainer [2022-11-21 17:24:26,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:24:26,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:24:26,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:24:26,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:24:26,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:24:10" (1/3) ... [2022-11-21 17:24:26,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:24:26, skipping insertion in model container [2022-11-21 17:24:26,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:24:12" (2/3) ... [2022-11-21 17:24:26,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c183b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:24:26, skipping insertion in model container [2022-11-21 17:24:26,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:26" (3/3) ... [2022-11-21 17:24:26,563 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:24:26,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:24:26,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:24:26,720 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:24:26,726 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2af165f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:24:26,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:24:26,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 1315 states, 925 states have (on average 1.4183783783783783) internal successors, (1312), 943 states have internal predecessors, (1312), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) [2022-11-21 17:24:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 17:24:26,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:24:26,765 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:24:26,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:24:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:26,772 INFO L85 PathProgramCache]: Analyzing trace with hash 955031833, now seen corresponding path program 1 times [2022-11-21 17:24:26,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:26,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057502741] [2022-11-21 17:24:26,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:26,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:24:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:24:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:24:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:24:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:24:27,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:24:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:24:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:24:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:24:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:24:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:24:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:24:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:24:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:24:27,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:24:27,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057502741] [2022-11-21 17:24:27,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057502741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:24:27,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:24:27,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:24:27,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210906072] [2022-11-21 17:24:27,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:24:27,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:24:27,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:24:27,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:24:27,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:24:27,999 INFO L87 Difference]: Start difference. First operand has 1315 states, 925 states have (on average 1.4183783783783783) internal successors, (1312), 943 states have internal predecessors, (1312), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 17:24:29,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:31,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:33,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:42,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:44,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:46,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:46,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:24:46,580 INFO L93 Difference]: Finished difference Result 2692 states and 4153 transitions. [2022-11-21 17:24:46,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:24:46,583 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2022-11-21 17:24:46,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:24:46,618 INFO L225 Difference]: With dead ends: 2692 [2022-11-21 17:24:46,620 INFO L226 Difference]: Without dead ends: 1367 [2022-11-21 17:24:46,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:24:46,639 INFO L413 NwaCegarLoop]: 1680 mSDtfsCounter, 429 mSDsluCounter, 3113 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 722 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 4793 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 722 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:24:46,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [461 Valid, 4793 Invalid, 2116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [722 Valid, 1390 Invalid, 4 Unknown, 0 Unchecked, 18.2s Time] [2022-11-21 17:24:46,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2022-11-21 17:24:46,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1300. [2022-11-21 17:24:46,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1300 states, 917 states have (on average 1.4045801526717556) internal successors, (1288), 928 states have internal predecessors, (1288), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-21 17:24:46,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1935 transitions. [2022-11-21 17:24:46,851 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1935 transitions. Word has length 151 [2022-11-21 17:24:46,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:24:46,852 INFO L495 AbstractCegarLoop]: Abstraction has 1300 states and 1935 transitions. [2022-11-21 17:24:46,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 17:24:46,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1935 transitions. [2022-11-21 17:24:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 17:24:46,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:24:46,865 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:24:46,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:24:46,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:24:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:24:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash 311014417, now seen corresponding path program 1 times [2022-11-21 17:24:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:24:46,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614624174] [2022-11-21 17:24:46,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:24:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:24:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:24:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:24:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:24:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:24:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:24:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:24:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:24:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:24:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:24:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:24:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:24:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:24:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:24:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:24:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:24:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:24:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:24:47,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:24:47,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614624174] [2022-11-21 17:24:47,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614624174] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:24:47,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:24:47,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:24:47,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627694498] [2022-11-21 17:24:47,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:24:47,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:24:47,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:24:47,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:24:47,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:24:47,571 INFO L87 Difference]: Start difference. First operand 1300 states and 1935 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:24:49,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:51,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:24:58,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:00,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:04,182 INFO L93 Difference]: Finished difference Result 3752 states and 5578 transitions. [2022-11-21 17:25:04,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:25:04,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151 [2022-11-21 17:25:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:04,202 INFO L225 Difference]: With dead ends: 3752 [2022-11-21 17:25:04,202 INFO L226 Difference]: Without dead ends: 2487 [2022-11-21 17:25:04,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:25:04,211 INFO L413 NwaCegarLoop]: 1852 mSDtfsCounter, 2230 mSDsluCounter, 3511 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1437 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 5363 SdHoareTripleChecker+Invalid, 3488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1437 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:04,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 5363 Invalid, 3488 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1437 Valid, 2048 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2022-11-21 17:25:04,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2487 states. [2022-11-21 17:25:04,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2487 to 2352. [2022-11-21 17:25:04,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2352 states, 1664 states have (on average 1.3972355769230769) internal successors, (2325), 1687 states have internal predecessors, (2325), 573 states have call successors, (573), 115 states have call predecessors, (573), 114 states have return successors, (572), 563 states have call predecessors, (572), 572 states have call successors, (572) [2022-11-21 17:25:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 3470 transitions. [2022-11-21 17:25:04,361 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 3470 transitions. Word has length 151 [2022-11-21 17:25:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:04,362 INFO L495 AbstractCegarLoop]: Abstraction has 2352 states and 3470 transitions. [2022-11-21 17:25:04,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:25:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 3470 transitions. [2022-11-21 17:25:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 17:25:04,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:04,367 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:04,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:25:04,368 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:25:04,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash -88563429, now seen corresponding path program 1 times [2022-11-21 17:25:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:04,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597174110] [2022-11-21 17:25:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:25:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:25:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:04,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:25:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:04,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:04,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:25:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:25:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:25:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:25:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:25:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:25:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:25:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:25:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:25:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 17:25:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:04,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597174110] [2022-11-21 17:25:04,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597174110] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:04,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:04,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:25:04,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93464513] [2022-11-21 17:25:04,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:04,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:25:04,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:04,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:25:04,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:25:04,944 INFO L87 Difference]: Start difference. First operand 2352 states and 3470 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:25:06,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:08,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:22,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:24,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:26,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:27,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:27,112 INFO L93 Difference]: Finished difference Result 5997 states and 8848 transitions. [2022-11-21 17:25:27,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:25:27,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 151 [2022-11-21 17:25:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:27,138 INFO L225 Difference]: With dead ends: 5997 [2022-11-21 17:25:27,138 INFO L226 Difference]: Without dead ends: 3680 [2022-11-21 17:25:27,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:25:27,150 INFO L413 NwaCegarLoop]: 2862 mSDtfsCounter, 1866 mSDsluCounter, 4849 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 954 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 7711 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:27,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 7711 Invalid, 3511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [954 Valid, 2552 Invalid, 5 Unknown, 0 Unchecked, 21.8s Time] [2022-11-21 17:25:27,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3680 states. [2022-11-21 17:25:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3680 to 3484. [2022-11-21 17:25:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 2474 states have (on average 1.3936944219886822) internal successors, (3448), 2508 states have internal predecessors, (3448), 831 states have call successors, (831), 179 states have call predecessors, (831), 178 states have return successors, (830), 817 states have call predecessors, (830), 830 states have call successors, (830) [2022-11-21 17:25:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5109 transitions. [2022-11-21 17:25:27,381 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5109 transitions. Word has length 151 [2022-11-21 17:25:27,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:25:27,382 INFO L495 AbstractCegarLoop]: Abstraction has 3484 states and 5109 transitions. [2022-11-21 17:25:27,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:25:27,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5109 transitions. [2022-11-21 17:25:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-21 17:25:27,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:25:27,388 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:25:27,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:25:27,389 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:25:27,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:25:27,390 INFO L85 PathProgramCache]: Analyzing trace with hash -155632499, now seen corresponding path program 1 times [2022-11-21 17:25:27,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:25:27,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397289902] [2022-11-21 17:25:27,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:25:27,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:25:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:25:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:25:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:25:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:25:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:25:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:25:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:25:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:25:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:25:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:25:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:25:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:25:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:25:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 17:25:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:25:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 17:25:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:25:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:25:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:25:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-21 17:25:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:25:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:25:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:25:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:25:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-11-21 17:25:28,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:25:28,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397289902] [2022-11-21 17:25:28,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397289902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:25:28,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:25:28,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:25:28,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470076764] [2022-11-21 17:25:28,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:25:28,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:25:28,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:25:28,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:25:28,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:25:28,366 INFO L87 Difference]: Start difference. First operand 3484 states and 5109 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:25:30,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:32,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:34,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:36,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:42,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:51,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:53,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:55,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:57,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:59,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:25:59,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:25:59,928 INFO L93 Difference]: Finished difference Result 8978 states and 13230 transitions. [2022-11-21 17:25:59,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:25:59,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2022-11-21 17:25:59,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:25:59,961 INFO L225 Difference]: With dead ends: 8978 [2022-11-21 17:25:59,961 INFO L226 Difference]: Without dead ends: 5543 [2022-11-21 17:25:59,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:25:59,975 INFO L413 NwaCegarLoop]: 1902 mSDtfsCounter, 2278 mSDsluCounter, 4644 mSDsCounter, 0 mSdLazyCounter, 2777 mSolverCounterSat, 1466 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 6546 SdHoareTripleChecker+Invalid, 4252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1466 IncrementalHoareTripleChecker+Valid, 2777 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:25:59,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 6546 Invalid, 4252 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1466 Valid, 2777 Invalid, 9 Unknown, 0 Unchecked, 31.2s Time] [2022-11-21 17:25:59,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5543 states. [2022-11-21 17:26:00,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5543 to 5264. [2022-11-21 17:26:00,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 3789 states have (on average 1.3813671153338611) internal successors, (5234), 3840 states have internal predecessors, (5234), 1196 states have call successors, (1196), 279 states have call predecessors, (1196), 278 states have return successors, (1195), 1176 states have call predecessors, (1195), 1195 states have call successors, (1195) [2022-11-21 17:26:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 7625 transitions. [2022-11-21 17:26:00,221 INFO L78 Accepts]: Start accepts. Automaton has 5264 states and 7625 transitions. Word has length 292 [2022-11-21 17:26:00,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:26:00,223 INFO L495 AbstractCegarLoop]: Abstraction has 5264 states and 7625 transitions. [2022-11-21 17:26:00,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:26:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 5264 states and 7625 transitions. [2022-11-21 17:26:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-21 17:26:00,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:26:00,231 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:26:00,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:26:00,231 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:26:00,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:26:00,232 INFO L85 PathProgramCache]: Analyzing trace with hash -555210345, now seen corresponding path program 1 times [2022-11-21 17:26:00,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:26:00,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749158977] [2022-11-21 17:26:00,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:00,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:26:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:26:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:26:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:26:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:26:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:26:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:26:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:26:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:26:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:26:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:26:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:26:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:26:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:26:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 17:26:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:26:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 17:26:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:00,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:26:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:26:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:26:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-21 17:26:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:26:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2022-11-21 17:26:01,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:26:01,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749158977] [2022-11-21 17:26:01,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749158977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:26:01,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:26:01,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:26:01,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574157602] [2022-11-21 17:26:01,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:26:01,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:26:01,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:26:01,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:26:01,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:26:01,119 INFO L87 Difference]: Start difference. First operand 5264 states and 7625 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:26:03,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:05,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:07,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:16,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:18,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:19,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:26:19,138 INFO L93 Difference]: Finished difference Result 13337 states and 19413 transitions. [2022-11-21 17:26:19,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:26:19,138 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 292 [2022-11-21 17:26:19,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:26:19,185 INFO L225 Difference]: With dead ends: 13337 [2022-11-21 17:26:19,185 INFO L226 Difference]: Without dead ends: 8122 [2022-11-21 17:26:19,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:26:19,204 INFO L413 NwaCegarLoop]: 1955 mSDtfsCounter, 2256 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 2250 mSolverCounterSat, 1467 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 5639 SdHoareTripleChecker+Invalid, 3722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1467 IncrementalHoareTripleChecker+Valid, 2250 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:26:19,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 5639 Invalid, 3722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1467 Valid, 2250 Invalid, 5 Unknown, 0 Unchecked, 17.5s Time] [2022-11-21 17:26:19,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8122 states. [2022-11-21 17:26:19,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8122 to 7746. [2022-11-21 17:26:19,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7746 states, 5653 states have (on average 1.3713072704758535) internal successors, (7752), 5725 states have internal predecessors, (7752), 1673 states have call successors, (1673), 420 states have call predecessors, (1673), 419 states have return successors, (1672), 1647 states have call predecessors, (1672), 1672 states have call successors, (1672) [2022-11-21 17:26:19,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 11097 transitions. [2022-11-21 17:26:19,593 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 11097 transitions. Word has length 292 [2022-11-21 17:26:19,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:26:19,594 INFO L495 AbstractCegarLoop]: Abstraction has 7746 states and 11097 transitions. [2022-11-21 17:26:19,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:26:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 11097 transitions. [2022-11-21 17:26:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2022-11-21 17:26:19,601 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:26:19,601 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:26:19,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:26:19,602 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:26:19,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:26:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2027577157, now seen corresponding path program 1 times [2022-11-21 17:26:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:26:19,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266662279] [2022-11-21 17:26:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:19,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:26:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:26:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:26:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:26:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:26:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:26:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:26:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:26:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:26:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:26:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:26:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:26:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:26:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:26:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 17:26:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:26:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 17:26:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:26:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:26:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:26:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-21 17:26:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:26:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:20,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2022-11-21 17:26:20,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:26:20,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266662279] [2022-11-21 17:26:20,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266662279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:26:20,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:26:20,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:26:20,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312826022] [2022-11-21 17:26:20,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:26:20,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:26:20,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:26:20,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:26:20,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:26:20,456 INFO L87 Difference]: Start difference. First operand 7746 states and 11097 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:26:22,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:29,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:29,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:26:29,254 INFO L93 Difference]: Finished difference Result 8355 states and 11976 transitions. [2022-11-21 17:26:29,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:26:29,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 293 [2022-11-21 17:26:29,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:26:29,299 INFO L225 Difference]: With dead ends: 8355 [2022-11-21 17:26:29,300 INFO L226 Difference]: Without dead ends: 8352 [2022-11-21 17:26:29,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:26:29,306 INFO L413 NwaCegarLoop]: 1667 mSDtfsCounter, 1969 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 926 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2050 SdHoareTripleChecker+Valid, 3940 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 926 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:26:29,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2050 Valid, 3940 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [926 Valid, 1222 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-11-21 17:26:29,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8352 states. [2022-11-21 17:26:29,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8352 to 7914. [2022-11-21 17:26:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7914 states, 5782 states have (on average 1.3699411968177102) internal successors, (7921), 5854 states have internal predecessors, (7921), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:26:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7914 states to 7914 states and 11292 transitions. [2022-11-21 17:26:29,699 INFO L78 Accepts]: Start accepts. Automaton has 7914 states and 11292 transitions. Word has length 293 [2022-11-21 17:26:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:26:29,700 INFO L495 AbstractCegarLoop]: Abstraction has 7914 states and 11292 transitions. [2022-11-21 17:26:29,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 17:26:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7914 states and 11292 transitions. [2022-11-21 17:26:29,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-21 17:26:29,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:26:29,706 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:26:29,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 17:26:29,706 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:26:29,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:26:29,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1583513901, now seen corresponding path program 1 times [2022-11-21 17:26:29,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:26:29,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737045588] [2022-11-21 17:26:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:29,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:26:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:26:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:26:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:26:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:26:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:30,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:26:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-21 17:26:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:26:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:26:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:26:31,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:26:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 17:26:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:26:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:26:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 17:26:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-21 17:26:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-21 17:26:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:26:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-11-21 17:26:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-21 17:26:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-11-21 17:26:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:26:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 17:26:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 17:26:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 1075 trivial. 0 not checked. [2022-11-21 17:26:31,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:26:31,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737045588] [2022-11-21 17:26:31,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737045588] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:26:31,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259019043] [2022-11-21 17:26:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:31,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:26:31,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:26:31,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:26:31,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:26:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:32,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 3387 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 17:26:32,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:26:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 488 proven. 0 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2022-11-21 17:26:32,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:26:32,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259019043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:26:32,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:26:32,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-11-21 17:26:32,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907457490] [2022-11-21 17:26:32,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:26:32,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:26:32,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:26:32,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:26:32,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:26:32,758 INFO L87 Difference]: Start difference. First operand 7914 states and 11292 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 17:26:33,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:26:33,106 INFO L93 Difference]: Finished difference Result 15806 states and 22567 transitions. [2022-11-21 17:26:33,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:26:33,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 303 [2022-11-21 17:26:33,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:26:33,158 INFO L225 Difference]: With dead ends: 15806 [2022-11-21 17:26:33,159 INFO L226 Difference]: Without dead ends: 7915 [2022-11-21 17:26:33,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:26:33,189 INFO L413 NwaCegarLoop]: 1933 mSDtfsCounter, 3 mSDsluCounter, 3847 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5780 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:26:33,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5780 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:26:33,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7915 states. [2022-11-21 17:26:33,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7915 to 7915. [2022-11-21 17:26:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7915 states, 5783 states have (on average 1.3698772263531038) internal successors, (7922), 5855 states have internal predecessors, (7922), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:26:33,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7915 states to 7915 states and 11293 transitions. [2022-11-21 17:26:33,587 INFO L78 Accepts]: Start accepts. Automaton has 7915 states and 11293 transitions. Word has length 303 [2022-11-21 17:26:33,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:26:33,588 INFO L495 AbstractCegarLoop]: Abstraction has 7915 states and 11293 transitions. [2022-11-21 17:26:33,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 17:26:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 7915 states and 11293 transitions. [2022-11-21 17:26:33,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-21 17:26:33,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:26:33,595 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:26:33,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:26:33,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-21 17:26:33,811 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:26:33,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:26:33,812 INFO L85 PathProgramCache]: Analyzing trace with hash -763928165, now seen corresponding path program 1 times [2022-11-21 17:26:33,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:26:33,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156659154] [2022-11-21 17:26:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:33,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:26:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:34,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:26:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:26:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:26:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 17:26:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 17:26:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 17:26:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-21 17:26:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:26:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:26:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 17:26:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:26:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:26:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-21 17:26:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:26:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 17:26:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:26:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 17:26:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:26:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-21 17:26:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-11-21 17:26:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-21 17:26:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:26:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:26:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 17:26:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 17:26:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-11-21 17:26:35,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:26:35,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156659154] [2022-11-21 17:26:35,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156659154] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:26:35,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855639046] [2022-11-21 17:26:35,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:26:35,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:26:35,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:26:35,543 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:26:35,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:26:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:26:38,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 3522 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 17:26:38,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:26:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 512 proven. 1 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2022-11-21 17:26:38,223 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:26:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2022-11-21 17:26:38,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855639046] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:26:38,602 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:26:38,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-21 17:26:38,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790447620] [2022-11-21 17:26:38,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:26:38,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 17:26:38,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:26:38,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 17:26:38,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:26:38,605 INFO L87 Difference]: Start difference. First operand 7915 states and 11293 transitions. Second operand has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-21 17:26:40,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:42,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:44,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:26:46,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:27:00,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:27:02,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:27:04,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:27:05,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:05,120 INFO L93 Difference]: Finished difference Result 17049 states and 24609 transitions. [2022-11-21 17:27:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 17:27:05,121 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 312 [2022-11-21 17:27:05,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:05,160 INFO L225 Difference]: With dead ends: 17049 [2022-11-21 17:27:05,160 INFO L226 Difference]: Without dead ends: 9154 [2022-11-21 17:27:05,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=424, Unknown=0, NotChecked=0, Total=552 [2022-11-21 17:27:05,185 INFO L413 NwaCegarLoop]: 1571 mSDtfsCounter, 970 mSDsluCounter, 9598 mSDsCounter, 0 mSdLazyCounter, 4174 mSolverCounterSat, 1161 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1007 SdHoareTripleChecker+Valid, 11169 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1161 IncrementalHoareTripleChecker+Valid, 4174 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:05,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1007 Valid, 11169 Invalid, 5342 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1161 Valid, 4174 Invalid, 7 Unknown, 0 Unchecked, 25.8s Time] [2022-11-21 17:27:05,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2022-11-21 17:27:05,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 7918. [2022-11-21 17:27:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7918 states, 5786 states have (on average 1.3696854476322158) internal successors, (7925), 5858 states have internal predecessors, (7925), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:27:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7918 states to 7918 states and 11296 transitions. [2022-11-21 17:27:05,725 INFO L78 Accepts]: Start accepts. Automaton has 7918 states and 11296 transitions. Word has length 312 [2022-11-21 17:27:05,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:05,725 INFO L495 AbstractCegarLoop]: Abstraction has 7918 states and 11296 transitions. [2022-11-21 17:27:05,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.857142857142857) internal successors, (110), 10 states have internal predecessors, (110), 2 states have call successors, (71), 6 states have call predecessors, (71), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-21 17:27:05,726 INFO L276 IsEmpty]: Start isEmpty. Operand 7918 states and 11296 transitions. [2022-11-21 17:27:05,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-21 17:27:05,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:05,734 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:05,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:27:05,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-21 17:27:05,951 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:05,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:05,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1808118957, now seen corresponding path program 2 times [2022-11-21 17:27:05,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:05,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033319890] [2022-11-21 17:27:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:27:08,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:27:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:27:10,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:27:10,646 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:27:10,648 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:27:10,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 17:27:10,655 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:10,660 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:27:10,727 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,728 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,728 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,728 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,729 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,729 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,729 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,729 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,730 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,730 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,730 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,730 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,730 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,731 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,731 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,731 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,731 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,731 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,732 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,732 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,733 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,733 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,733 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,734 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,734 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,734 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,734 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,735 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,735 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,735 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,735 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,735 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,736 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,736 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,736 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,736 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,737 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,737 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,737 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,737 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,738 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,738 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,738 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,739 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,739 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,739 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,739 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,740 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,740 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,740 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,740 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,740 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,741 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,741 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,741 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,741 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,741 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,742 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,742 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,742 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,743 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,743 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,743 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,744 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,744 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,744 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,744 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,744 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,745 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,746 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,746 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,746 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,747 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,747 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,747 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,747 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,747 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,748 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,748 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,748 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,749 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,749 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,749 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,749 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,750 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,750 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,750 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,750 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,751 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,751 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,751 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,751 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,751 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,752 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,752 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,752 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,752 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,753 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,753 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,753 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,754 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,754 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,754 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,754 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,755 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,755 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,755 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,755 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,756 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,756 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,756 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,756 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,756 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,757 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,757 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,757 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,757 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,757 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,758 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,758 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,759 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,759 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,759 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,759 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,759 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,760 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,766 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,766 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,767 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,767 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,767 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,767 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,768 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,769 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,769 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,769 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,770 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,770 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,770 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,771 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,771 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,771 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,771 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,771 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,772 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,772 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,772 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,772 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,773 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,773 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,773 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,773 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,773 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,774 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,774 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,774 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,775 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,775 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,776 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,776 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,776 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,776 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,777 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,777 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,777 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,777 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,778 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,778 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,778 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,778 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,778 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,779 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,779 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:10,779 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,779 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-21 17:27:10,781 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-21 17:27:11,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:27:11 BoogieIcfgContainer [2022-11-21 17:27:11,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:27:11,084 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:27:11,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:27:11,084 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:27:11,085 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:24:26" (3/4) ... [2022-11-21 17:27:11,088 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:27:11,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:27:11,089 INFO L158 Benchmark]: Toolchain (without parser) took 180790.31ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 868.2MB). Free memory was 167.7MB in the beginning and 500.0MB in the end (delta: -332.3MB). Peak memory consumption was 538.5MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,089 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:27:11,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2107.77ms. Allocated memory is still 209.7MB. Free memory was 167.7MB in the beginning and 96.7MB in the end (delta: 71.0MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 346.97ms. Allocated memory is still 209.7MB. Free memory was 96.7MB in the beginning and 139.9MB in the end (delta: -43.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,091 INFO L158 Benchmark]: Boogie Preprocessor took 204.05ms. Allocated memory is still 209.7MB. Free memory was 139.9MB in the beginning and 117.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,091 INFO L158 Benchmark]: RCFGBuilder took 13587.00ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 868.2MB). Free memory was 116.6MB in the beginning and 406.4MB in the end (delta: -289.9MB). Peak memory consumption was 586.0MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,092 INFO L158 Benchmark]: TraceAbstraction took 164530.64ms. Allocated memory is still 1.1GB. Free memory was 406.4MB in the beginning and 500.0MB in the end (delta: -93.6MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2022-11-21 17:27:11,092 INFO L158 Benchmark]: Witness Printer took 4.58ms. Allocated memory is still 1.1GB. Free memory is still 500.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:27:11,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2107.77ms. Allocated memory is still 209.7MB. Free memory was 167.7MB in the beginning and 96.7MB in the end (delta: 71.0MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 346.97ms. Allocated memory is still 209.7MB. Free memory was 96.7MB in the beginning and 139.9MB in the end (delta: -43.2MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 204.05ms. Allocated memory is still 209.7MB. Free memory was 139.9MB in the beginning and 117.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 13587.00ms. Allocated memory was 209.7MB in the beginning and 1.1GB in the end (delta: 868.2MB). Free memory was 116.6MB in the beginning and 406.4MB in the end (delta: -289.9MB). Peak memory consumption was 586.0MB. Max. memory is 16.1GB. * TraceAbstraction took 164530.64ms. Allocated memory is still 1.1GB. Free memory was 406.4MB in the beginning and 500.0MB in the end (delta: -93.6MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Witness Printer took 4.58ms. Allocated memory is still 1.1GB. Free memory is still 500.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6148, overapproximation of bitwiseAnd at line 7360. Possible FailurePath: [L4235] struct tty_struct *digi_acceleport_2_device_group3 ; [L4236] struct urb *digi_acceleport_2_device_group0 ; [L4237] int LDV_IN_INTERRUPT = 1; [L4238] struct work_struct *ldv_work_struct_1_0 ; [L4239] struct work_struct *ldv_work_struct_1_1 ; [L4240] struct tty_struct *digi_acceleport_4_device_group3 ; [L4241] struct work_struct *ldv_work_struct_1_2 ; [L4242] struct work_struct *ldv_work_struct_1_3 ; [L4243] int ldv_work_1_3 ; [L4244] int ldv_state_variable_0 ; [L4245] struct urb *digi_acceleport_4_device_group0 ; [L4246] int ldv_state_variable_3 ; [L4247] int ldv_work_1_1 ; [L4248] int ldv_state_variable_2 ; [L4249] struct usb_serial_port *digi_acceleport_4_device_group1 ; [L4250] int ref_cnt ; [L4251] struct usb_serial *digi_acceleport_2_device_group2 ; [L4252] int ldv_work_1_0 ; [L4253] int ldv_state_variable_1 ; [L4254] struct usb_serial_port *digi_acceleport_2_device_group1 ; [L4255] struct usb_serial *digi_acceleport_4_device_group2 ; [L4256] int ldv_work_1_2 ; [L4413-L4418] static struct usb_device_id const id_table_combined[3U] = { {3U, 1477U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {3U, 1477U, 4U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4419-L4421] static struct usb_device_id const id_table_2[2U] = { {3U, 1477U, 2U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4422-L4424] static struct usb_device_id const id_table_4[2U] = { {3U, 1477U, 4U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L4425] struct usb_device_id const __mod_usb__id_table_combined_device_table[3U] ; [L4426-L4434] static struct usb_serial_driver digi_acceleport_2_device = {"Digi 2 port USB adapter", (struct usb_device_id const *)(& id_table_2), 3, {0, 0}, {"digi_2", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & digi_startup, 0, & digi_disconnect, & digi_release, & digi_port_probe, & digi_port_remove, 0, 0, 0, & digi_open, & digi_close, & digi_write, & digi_write_room, 0, & digi_set_termios, & digi_break_ctl, & digi_chars_in_buffer, 0, 0, & digi_rx_throttle, & digi_rx_unthrottle, & digi_tiocmget, & digi_tiocmset, 0, 0, & digi_dtr_rts, 0, 0, 0, 0, & digi_read_bulk_callback, & digi_write_bulk_callback, 0, 0}; [L4435-L4443] static struct usb_serial_driver digi_acceleport_4_device = {"Digi 4 port USB adapter", (struct usb_device_id const *)(& id_table_4), 4, {0, 0}, {"digi_4", 0, & __this_module, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, {{{{{{0}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, 0UL, 0UL, 0, & digi_startup, 0, & digi_disconnect, & digi_release, & digi_port_probe, & digi_port_remove, 0, 0, 0, & digi_open, & digi_close, & digi_write, & digi_write_room, 0, & digi_set_termios, & digi_break_ctl, & digi_chars_in_buffer, 0, 0, & digi_rx_throttle, & digi_rx_unthrottle, & digi_tiocmget, & digi_tiocmset, 0, 0, 0, 0, 0, 0, 0, & digi_read_bulk_callback, & digi_write_bulk_callback, 0, 0}; [L4444] static struct usb_serial_driver * const serial_drivers[3U] = { & digi_acceleport_2_device, & digi_acceleport_4_device, (struct usb_serial_driver *)0}; [L6159] int ldv_retval_2 ; [L6160] int ldv_retval_0 ; [L6161] int ldv_retval_4 ; [L6163] int ldv_retval_1 ; [L6167] int ldv_retval_3 ; [L7356] int ldv_spin = 0; VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6365] int ldvarg1 ; [L6366] unsigned int ldvarg4 ; [L6367] unsigned int ldvarg3 ; [L6368] int ldvarg0 ; [L6369] struct ktermios *ldvarg5 ; [L6370] void *tmp ; [L6371] unsigned char *ldvarg2 ; [L6372] void *tmp___0 ; [L6373] int ldvarg6 ; [L6374] int ldvarg8 ; [L6375] unsigned int ldvarg11 ; [L6376] int ldvarg7 ; [L6377] unsigned int ldvarg10 ; [L6378] struct ktermios *ldvarg12 ; [L6379] void *tmp___1 ; [L6380] unsigned char *ldvarg9 ; [L6381] void *tmp___2 ; [L6382] int tmp___3 ; [L6383] int tmp___4 ; [L6384] int tmp___5 ; [L6385] int tmp___6 ; VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}] [L6387] CALL, EXPR ldv_init_zalloc(44UL) VAL [\old(size)=44, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=44] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-18446744073709551617:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-18446744073709551617:0}] [L4012] return (p); VAL [\old(size)=44, \result={-18446744073709551617:0}, __this_module={3046:3009}, calloc(1UL, size)={-18446744073709551617:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-18446744073709551617:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-18446744073709551617:0}] [L6387] RET, EXPR ldv_init_zalloc(44UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(44UL)={-18446744073709551617:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}] [L6387] tmp = ldv_init_zalloc(44UL) [L6388] ldvarg5 = (struct ktermios *)tmp VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}] [L6389] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-36893488147419103233:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-36893488147419103233:0}] [L4012] return (p); VAL [\old(size)=1, \result={-36893488147419103233:0}, __this_module={3046:3009}, calloc(1UL, size)={-36893488147419103233:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-36893488147419103233:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-36893488147419103233:0}] [L6389] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-36893488147419103233:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}] [L6389] tmp___0 = ldv_init_zalloc(1UL) [L6390] ldvarg2 = (unsigned char *)tmp___0 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L6391] CALL, EXPR ldv_init_zalloc(44UL) VAL [\old(size)=44, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=44] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-55340232221128654849:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=44, __this_module={3046:3009}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-55340232221128654849:0}] [L4012] return (p); VAL [\old(size)=44, \result={-55340232221128654849:0}, __this_module={3046:3009}, calloc(1UL, size)={-55340232221128654849:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-55340232221128654849:0}, ref_cnt=0, serial_drivers={141:0}, size=44, tmp={-55340232221128654849:0}] [L6391] RET, EXPR ldv_init_zalloc(44UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(44UL)={-55340232221128654849:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L6391] tmp___1 = ldv_init_zalloc(44UL) [L6392] ldvarg12 = (struct ktermios *)tmp___1 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L6393] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-73786976294838206465:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, __this_module={3046:3009}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-73786976294838206465:0}] [L4012] return (p); VAL [\old(size)=1, \result={-73786976294838206465:0}, __this_module={3046:3009}, calloc(1UL, size)={-73786976294838206465:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, size=1, tmp={-73786976294838206465:0}] [L6393] RET, EXPR ldv_init_zalloc(1UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-73786976294838206465:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}] [L6393] tmp___2 = ldv_init_zalloc(1UL) [L6394] ldvarg9 = (unsigned char *)tmp___2 [L6395] FCALL ldv_initialize() [L6396] CALL ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={152:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={152:0}, s={152:0}, serial_drivers={141:0}, tmp={152:0}] [L6396] RET ldv_memset((void *)(& ldvarg1), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 4UL)={152:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6397] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={148:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={148:0}, s={148:0}, serial_drivers={141:0}, tmp={148:0}] [L6397] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={148:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6398] CALL ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={149:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={149:0}, s={149:0}, serial_drivers={141:0}, tmp={149:0}] [L6398] RET ldv_memset((void *)(& ldvarg3), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 4UL)={149:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6399] CALL ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={143:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={143:0}, s={143:0}, serial_drivers={141:0}, tmp={143:0}] [L6399] RET ldv_memset((void *)(& ldvarg0), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 4UL)={143:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6400] CALL ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={144:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={144:0}, s={144:0}, serial_drivers={141:0}, tmp={144:0}] [L6400] RET ldv_memset((void *)(& ldvarg6), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 4UL)={144:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6401] CALL ldv_memset((void *)(& ldvarg8), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={151:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={151:0}, s={151:0}, serial_drivers={141:0}, tmp={151:0}] [L6401] RET ldv_memset((void *)(& ldvarg8), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg8), 0, 4UL)={151:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6402] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={147:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={147:0}, s={147:0}, serial_drivers={141:0}, tmp={147:0}] [L6402] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={147:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6403] CALL ldv_memset((void *)(& ldvarg7), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={146:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={146:0}, s={146:0}, serial_drivers={141:0}, tmp={146:0}] [L6403] RET ldv_memset((void *)(& ldvarg7), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 4UL)={146:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6404] CALL ldv_memset((void *)(& ldvarg10), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4017] void *tmp ; [L4019] EXPR, FCALL memset(s, c, n) [L4019] tmp = memset(s, c, n) [L4020] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={145:0}, __this_module={3046:3009}, c=0, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, n=4, ref_cnt=0, s={145:0}, s={145:0}, serial_drivers={141:0}, tmp={145:0}] [L6404] RET ldv_memset((void *)(& ldvarg10), 0, 4UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg10), 0, 4UL)={145:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6405] CALL work_init_1() [L6356] ldv_work_1_0 = 0 [L6357] ldv_work_1_1 = 0 [L6358] ldv_work_1_2 = 0 [L6359] ldv_work_1_3 = 0 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6405] RET work_init_1() [L6406] ldv_state_variable_1 = 1 [L6407] ref_cnt = 0 [L6408] ldv_state_variable_0 = 1 [L6409] ldv_state_variable_3 = 0 [L6410] ldv_state_variable_2 = 0 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}] [L6412] tmp___3 = __VERIFIER_nondet_int() [L6414] case 0: [L6420] case 1: VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=1] [L6421] COND TRUE ldv_state_variable_0 != 0 [L6422] tmp___4 = __VERIFIER_nondet_int() [L6424] case 0: [L6432] case 1: VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=1, tmp___4=1] [L6433] COND TRUE ldv_state_variable_0 == 1 [L6434] CALL, EXPR usb_serial_module_init() [L6145] int tmp ; [L6147-L6148] CALL, EXPR usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L7536] return __VERIFIER_nondet_int(); [L6147-L6148] RET, EXPR usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L6147-L6148] tmp = usb_serial_register_drivers((struct usb_serial_driver * const *)(& serial_drivers), "digi_acceleport", (struct usb_device_id const *)(& id_table_combined)) [L6149] return (tmp); VAL [\result=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp=0] [L6434] RET, EXPR usb_serial_module_init() [L6434] ldv_retval_0 = usb_serial_module_init() [L6435] COND TRUE ldv_retval_0 == 0 [L6436] ldv_state_variable_0 = 3 [L6437] ldv_state_variable_2 = 1 [L6438] CALL ldv_initialize_usb_serial_driver_2() [L6267] void *tmp ; [L6268] void *tmp___0 ; [L6269] void *tmp___1 ; [L6270] void *tmp___2 ; VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6272] CALL, EXPR ldv_init_zalloc(192UL) VAL [\old(size)=192, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=192] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L4012] return (p); VAL [\old(size)=192, \result={-92233720368547758081:0}, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758081:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758081:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-92233720368547758081:0}] [L6272] RET, EXPR ldv_init_zalloc(192UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={0:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(192UL)={-92233720368547758081:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6272] tmp = ldv_init_zalloc(192UL) [L6273] digi_acceleport_4_device_group0 = (struct urb *)tmp VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}] [L6274] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=3008] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-129127208515966861313:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-129127208515966861313:0}] [L4012] return (p); VAL [\old(size)=3008, \result={-129127208515966861313:0}, __this_module={3046:3009}, calloc(1UL, size)={-129127208515966861313:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-129127208515966861313:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-129127208515966861313:0}] [L6274] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={0:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-129127208515966861313:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}] [L6274] tmp___0 = ldv_init_zalloc(3008UL) [L6275] digi_acceleport_4_device_group1 = (struct usb_serial_port *)tmp___0 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-129127208515966861313:0}] [L6276] CALL, EXPR ldv_init_zalloc(272UL) VAL [\old(size)=272, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758079:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=272] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758079:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758079:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-92233720368547758079:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758079:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758079:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-92233720368547758079:0}] [L4012] return (p); VAL [\old(size)=272, \result={-92233720368547758079:0}, __this_module={3046:3009}, calloc(1UL, size)={-92233720368547758079:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-92233720368547758079:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-92233720368547758079:0}] [L6276] RET, EXPR ldv_init_zalloc(272UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={0:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(272UL)={-92233720368547758079:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-129127208515966861313:0}] [L6276] tmp___1 = ldv_init_zalloc(272UL) [L6277] digi_acceleport_4_device_group2 = (struct usb_serial *)tmp___1 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-129127208515966861313:0}, tmp___1={-92233720368547758079:0}] [L6278] CALL, EXPR ldv_init_zalloc(1816UL) VAL [\old(size)=1816, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309695:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1816] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309695:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309695:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-110680464442257309695:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309695:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309695:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-110680464442257309695:0}] [L4012] return (p); VAL [\old(size)=1816, \result={-110680464442257309695:0}, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309695:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309695:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-110680464442257309695:0}] [L6278] RET, EXPR ldv_init_zalloc(1816UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={0:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1816UL)={-110680464442257309695:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-129127208515966861313:0}, tmp___1={-92233720368547758079:0}] [L6278] tmp___2 = ldv_init_zalloc(1816UL) [L6279] digi_acceleport_4_device_group3 = (struct tty_struct *)tmp___2 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=0, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-92233720368547758081:0}, tmp___0={-129127208515966861313:0}, tmp___1={-92233720368547758079:0}, tmp___2={-110680464442257309695:0}] [L6438] RET ldv_initialize_usb_serial_driver_2() [L6439] ldv_state_variable_3 = 1 [L6440] CALL ldv_initialize_usb_serial_driver_3() [L6337] void *tmp ; [L6338] void *tmp___0 ; [L6339] void *tmp___1 ; [L6340] void *tmp___2 ; VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6342] CALL, EXPR ldv_init_zalloc(192UL) VAL [\old(size)=192, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=192] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-110680464442257309697:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=192, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-110680464442257309697:0}] [L4012] return (p); VAL [\old(size)=192, \result={-110680464442257309697:0}, __this_module={3046:3009}, calloc(1UL, size)={-110680464442257309697:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-110680464442257309697:0}, ref_cnt=0, serial_drivers={141:0}, size=192, tmp={-110680464442257309697:0}] [L6342] RET, EXPR ldv_init_zalloc(192UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={0:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(192UL)={-110680464442257309697:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L6342] tmp = ldv_init_zalloc(192UL) [L6343] digi_acceleport_2_device_group0 = (struct urb *)tmp VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}] [L6344] CALL, EXPR ldv_init_zalloc(3008UL) VAL [\old(size)=3008, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=3008] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-147573952589676412929:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=3008, __this_module={3046:3009}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-147573952589676412929:0}] [L4012] return (p); VAL [\old(size)=3008, \result={-147573952589676412929:0}, __this_module={3046:3009}, calloc(1UL, size)={-147573952589676412929:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-147573952589676412929:0}, ref_cnt=0, serial_drivers={141:0}, size=3008, tmp={-147573952589676412929:0}] [L6344] RET, EXPR ldv_init_zalloc(3008UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={0:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(3008UL)={-147573952589676412929:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}] [L6344] tmp___0 = ldv_init_zalloc(3008UL) [L6345] digi_acceleport_2_device_group1 = (struct usb_serial_port *)tmp___0 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}, tmp___0={-147573952589676412929:0}] [L6346] CALL, EXPR ldv_init_zalloc(272UL) VAL [\old(size)=272, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=272] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-166020696663385964545:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=272, __this_module={3046:3009}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-166020696663385964545:0}] [L4012] return (p); VAL [\old(size)=272, \result={-166020696663385964545:0}, __this_module={3046:3009}, calloc(1UL, size)={-166020696663385964545:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-166020696663385964545:0}, ref_cnt=0, serial_drivers={141:0}, size=272, tmp={-166020696663385964545:0}] [L6346] RET, EXPR ldv_init_zalloc(272UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={0:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(272UL)={-166020696663385964545:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}, tmp___0={-147573952589676412929:0}] [L6346] tmp___1 = ldv_init_zalloc(272UL) [L6347] digi_acceleport_2_device_group2 = (struct usb_serial *)tmp___1 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}, tmp___0={-147573952589676412929:0}, tmp___1={-166020696663385964545:0}] [L6348] CALL, EXPR ldv_init_zalloc(1816UL) VAL [\old(size)=1816, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4006] void *p ; [L4007] void *tmp ; [L4009] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, size=1816] [L4009] tmp = calloc(1UL, size) [L4010] p = tmp VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-184467440737095516161:0}] [L4011] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L3968] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={3046:3009}, cond=1, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4011] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1816, __this_module={3046:3009}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-184467440737095516161:0}] [L4012] return (p); VAL [\old(size)=1816, \result={-184467440737095516161:0}, __this_module={3046:3009}, calloc(1UL, size)={-184467440737095516161:0}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, p={-184467440737095516161:0}, ref_cnt=0, serial_drivers={141:0}, size=1816, tmp={-184467440737095516161:0}] [L6348] RET, EXPR ldv_init_zalloc(1816UL) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={0:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1816UL)={-184467440737095516161:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}, tmp___0={-147573952589676412929:0}, tmp___1={-166020696663385964545:0}] [L6348] tmp___2 = ldv_init_zalloc(1816UL) [L6349] digi_acceleport_2_device_group3 = (struct tty_struct *)tmp___2 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-110680464442257309697:0}, tmp___0={-147573952589676412929:0}, tmp___1={-166020696663385964545:0}, tmp___2={-184467440737095516161:0}] [L6440] RET ldv_initialize_usb_serial_driver_3() [L6443] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=1, tmp___4=1] [L6412] tmp___3 = __VERIFIER_nondet_int() [L6414] case 0: [L6420] case 1: [L6458] case 2: [L6810] case 3: VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=3, tmp___4=1] [L6811] COND TRUE ldv_state_variable_2 != 0 [L6812] tmp___6 = __VERIFIER_nondet_int() [L6814] case 0: [L6836] case 1: [L6858] case 2: [L6868] case 3: VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=3, tmp___4=1, tmp___6=3] [L6869] COND FALSE !(ldv_state_variable_2 == 4) VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=3, tmp___4=1, tmp___6=3] [L6874] COND TRUE ldv_state_variable_2 == 1 VAL [__this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ldvarg0={143:0}, ldvarg1={152:0}, ldvarg10={145:0}, ldvarg11={147:0}, ldvarg12={-55340232221128654849:0}, ldvarg2={-36893488147419103233:0}, ldvarg3={149:0}, ldvarg4={148:0}, ldvarg5={-18446744073709551617:0}, ldvarg6={144:0}, ldvarg7={146:0}, ldvarg8={151:0}, ldvarg9={-73786976294838206465:0}, ref_cnt=0, serial_drivers={141:0}, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-55340232221128654849:0}, tmp___2={-73786976294838206465:0}, tmp___3=3, tmp___4=1, tmp___6=3] [L6875] CALL digi_rx_unthrottle(digi_acceleport_4_device_group3) VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4819] int ret ; [L4820] unsigned long flags ; [L4821] struct usb_serial_port *port ; [L4822] struct digi_port *priv ; [L4823] void *tmp ; [L4825] ret = 0 [L4826] EXPR tty->driver_data [L4826] port = (struct usb_serial_port *)tty->driver_data [L4827] CALL, EXPR usb_get_serial_port_data(port) VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4352] void *tmp ; [L4354] CALL, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4330] EXPR dev->driver_data [L4330] return ((void *)dev->driver_data); [L4354] RET, EXPR dev_get_drvdata((struct device const *)(& port->dev)) [L4354] tmp = dev_get_drvdata((struct device const *)(& port->dev)) [L4355] return (tmp); VAL [\old(ldv_spin)=0, \result={3056:-2}, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3026:153}, port={3026:153}, ref_cnt=0, serial_drivers={141:0}, tmp={3056:-2}] [L4827] RET, EXPR usb_get_serial_port_data(port) VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3026:153}, ref_cnt=0, ret=0, serial_drivers={141:0}, tty={-110680464442257309695:0}, tty={-110680464442257309695:0}, usb_get_serial_port_data(port)={3056:-2}] [L4827] tmp = usb_get_serial_port_data(port) [L4828] priv = (struct digi_port *)tmp VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3026:153}, priv={3056:-2}, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3056:-2}, tty={-110680464442257309695:0}, tty={-110680464442257309695:0}] [L4829] CALL ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7393] ldv_spin = 1 VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L4829] RET ldv_spin_lock() VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3026:153}, priv={3056:-2}, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3056:-2}, tty={-110680464442257309695:0}, tty={-110680464442257309695:0}] [L4830] EXPR priv->dp_throttle_restart VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, port={3026:153}, priv={3056:-2}, priv->dp_throttle_restart=3050, ref_cnt=0, ret=0, serial_drivers={141:0}, tmp={3056:-2}, tty={-110680464442257309695:0}, tty={-110680464442257309695:0}] [L4830] COND TRUE priv->dp_throttle_restart != 0 [L4831] EXPR port->read_urb [L4831] CALL ldv_usb_submit_urb_31(port->read_urb, 32U) [L7280] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=32, \old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7360] COND TRUE ldv_spin != 0 && (flags & 16U) != 0U VAL [\old(flags)=32, \old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, flags=32, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7361] CALL ldv_error() VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] [L7317] reach_error() VAL [\old(ldv_spin)=0, __this_module={3046:3009}, digi_acceleport_2_device={139:0}, digi_acceleport_2_device_group0={-110680464442257309697:0}, digi_acceleport_2_device_group1={-147573952589676412929:0}, digi_acceleport_2_device_group2={-166020696663385964545:0}, digi_acceleport_2_device_group3={-184467440737095516161:0}, digi_acceleport_4_device={140:0}, digi_acceleport_4_device_group0={-92233720368547758081:0}, digi_acceleport_4_device_group1={-129127208515966861313:0}, digi_acceleport_4_device_group2={-92233720368547758079:0}, digi_acceleport_4_device_group3={-110680464442257309695:0}, id_table_2={137:0}, id_table_4={138:0}, id_table_combined={136:0}, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_spin=1, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldv_work_1_0=0, ldv_work_1_1=0, ldv_work_1_2=0, ldv_work_1_3=0, ldv_work_struct_1_0={0:0}, ldv_work_struct_1_1={0:0}, ldv_work_struct_1_2={0:0}, ldv_work_struct_1_3={0:0}, ref_cnt=0, serial_drivers={141:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 61 procedures, 1316 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 164.0s, OverallIterations: 9, TraceHistogramMax: 36, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 143.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 35 mSolverCounterUnknown, 12869 SdHoareTripleChecker+Valid, 139.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12001 mSDsluCounter, 50941 SdHoareTripleChecker+Invalid, 134.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35519 mSDsCounter, 8141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16437 IncrementalHoareTripleChecker+Invalid, 24613 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8141 mSolverCounterUnsat, 15422 mSDtfsCounter, 16437 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1584 GetRequests, 1514 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7918occurred in iteration=8, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2727 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 2899 NumberOfCodeBlocks, 2899 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2861 ConstructedInterpolants, 0 QuantifiedInterpolants, 4766 SizeOfPredicates, 7 NumberOfNonLiveVariables, 6909 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 9852/9999 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 17:27:11,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:27:13,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:27:13,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:27:13,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:27:13,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:27:13,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:27:13,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:27:13,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:27:13,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:27:13,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:27:13,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:27:13,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:27:13,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:27:13,716 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:27:13,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:27:13,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:27:13,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:27:13,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:27:13,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:27:13,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:27:13,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:27:13,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:27:13,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:27:13,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:27:13,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:27:13,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:27:13,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:27:13,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:27:13,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:27:13,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:27:13,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:27:13,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:27:13,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:27:13,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:27:13,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:27:13,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:27:13,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:27:13,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:27:13,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:27:13,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:27:13,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:27:13,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:27:13,813 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:27:13,814 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:27:13,815 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:27:13,815 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:27:13,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:27:13,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:27:13,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:27:13,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:27:13,818 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:27:13,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:27:13,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:27:13,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:27:13,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:27:13,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:27:13,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:27:13,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:27:13,820 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:27:13,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:27:13,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:27:13,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:27:13,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:27:13,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:27:13,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:27:13,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:13,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:27:13,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:27:13,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:27:13,823 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:27:13,823 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:27:13,823 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:27:13,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:27:13,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:27:13,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:27:13,824 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e49a1360829f26f8d048b65d36d4ec5c4a8326faf8d0f409c04195556886603 [2022-11-21 17:27:14,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:27:14,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:27:14,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:27:14,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:27:14,252 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:27:14,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:27:17,235 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:27:17,884 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:27:17,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:27:17,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/9c9286271/d7d0266baeb84428bc3bc0effcbd2919/FLAG95421595c [2022-11-21 17:27:17,964 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/data/9c9286271/d7d0266baeb84428bc3bc0effcbd2919 [2022-11-21 17:27:17,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:27:17,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:27:17,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:17,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:27:17,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:27:17,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:17" (1/1) ... [2022-11-21 17:27:17,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6841f240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:17, skipping insertion in model container [2022-11-21 17:27:17,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:17" (1/1) ... [2022-11-21 17:27:17,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:27:18,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:19,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2022-11-21 17:27:19,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:19,725 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 17:27:19,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:20,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2022-11-21 17:27:20,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:20,149 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:27:20,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i[215646,215659] [2022-11-21 17:27:20,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:20,620 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:27:20,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20 WrapperNode [2022-11-21 17:27:20,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:20,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:20,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:27:20,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:27:20,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:20,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:20,931 INFO L138 Inliner]: procedures = 195, calls = 1491, calls flagged for inlining = 71, calls inlined = 66, statements flattened = 3600 [2022-11-21 17:27:20,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:20,933 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:27:20,933 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:27:20,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:27:20,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:20,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:20,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:20,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,121 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:27:21,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:27:21,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:27:21,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:27:21,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (1/1) ... [2022-11-21 17:27:21,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:21,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:21,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:27:21,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:27:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 17:27:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure digi_break_ctl [2022-11-21 17:27:21,251 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_break_ctl [2022-11-21 17:27:21,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 17:27:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 17:27:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:27:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:27:21,252 INFO L130 BoogieDeclarations]: Found specification of procedure cond_wait_interruptible_timeout_irqrestore [2022-11-21 17:27:21,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cond_wait_interruptible_timeout_irqrestore [2022-11-21 17:27:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:27:21,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:27:21,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:27:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:27:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_throttle [2022-11-21 17:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_throttle [2022-11-21 17:27:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 17:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 17:27:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 17:27:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 17:27:21,288 INFO L130 BoogieDeclarations]: Found specification of procedure digi_startup [2022-11-21 17:27:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_startup [2022-11-21 17:27:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:27:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:27:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-21 17:27:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-21 17:27:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure digi_open [2022-11-21 17:27:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_open [2022-11-21 17:27:21,289 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 17:27:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 17:27:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2022-11-21 17:27:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2022-11-21 17:27:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure digi_read_bulk_callback [2022-11-21 17:27:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_read_bulk_callback [2022-11-21 17:27:21,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:27:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:27:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write [2022-11-21 17:27:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write [2022-11-21 17:27:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_termios [2022-11-21 17:27:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_termios [2022-11-21 17:27:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:27:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:27:21,291 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmset [2022-11-21 17:27:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmset [2022-11-21 17:27:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:27:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:27:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure digi_set_modem_signals [2022-11-21 17:27:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_set_modem_signals [2022-11-21 17:27:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_baud_rate [2022-11-21 17:27:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_baud_rate [2022-11-21 17:27:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:27:21,292 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_inb_command [2022-11-21 17:27:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_inb_command [2022-11-21 17:27:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_oob_command [2022-11-21 17:27:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_oob_command [2022-11-21 17:27:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:27:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 17:27:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 17:27:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-21 17:27:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-21 17:27:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:27:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:27:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 17:27:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 17:27:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:27:21,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 17:27:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure digi_rx_unthrottle [2022-11-21 17:27:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_rx_unthrottle [2022-11-21 17:27:21,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:27:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-21 17:27:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure digi_chars_in_buffer [2022-11-21 17:27:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_chars_in_buffer [2022-11-21 17:27:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:27:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 17:27:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 17:27:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:27:21,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:27:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 17:27:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 17:27:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_remove [2022-11-21 17:27:21,301 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_remove [2022-11-21 17:27:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 17:27:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 17:27:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 17:27:21,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 17:27:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure digi_disconnect [2022-11-21 17:27:21,303 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_disconnect [2022-11-21 17:27:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2022-11-21 17:27:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2022-11-21 17:27:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:27:21,304 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:27:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 17:27:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 17:27:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 17:27:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 17:27:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:27:21,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:27:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-21 17:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_bulk_callback [2022-11-21 17:27:21,307 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_bulk_callback [2022-11-21 17:27:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-21 17:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 17:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-21 17:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 17:27:21,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 17:27:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure digi_wakeup_write_lock [2022-11-21 17:27:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_wakeup_write_lock [2022-11-21 17:27:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure digi_write_room [2022-11-21 17:27:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_write_room [2022-11-21 17:27:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 17:27:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 17:27:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure digi_close [2022-11-21 17:27:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_close [2022-11-21 17:27:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure digi_tiocmget [2022-11-21 17:27:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_tiocmget [2022-11-21 17:27:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:27:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 17:27:21,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 17:27:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:27:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_probe [2022-11-21 17:27:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_probe [2022-11-21 17:27:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:27:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure digi_release [2022-11-21 17:27:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_release [2022-11-21 17:27:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 17:27:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-21 17:27:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-21 17:27:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-21 17:27:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 17:27:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 17:27:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure digi_port_init [2022-11-21 17:27:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_port_init [2022-11-21 17:27:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-21 17:27:21,327 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-21 17:27:21,327 INFO L130 BoogieDeclarations]: Found specification of procedure digi_dtr_rts [2022-11-21 17:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure digi_dtr_rts [2022-11-21 17:27:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 17:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 17:27:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 17:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 17:27:21,328 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-21 17:27:21,328 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-21 17:27:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-21 17:27:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2022-11-21 17:27:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2022-11-21 17:27:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2022-11-21 17:27:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2022-11-21 17:27:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 17:27:21,329 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 17:27:21,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:27:21,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:27:22,031 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:27:22,036 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:27:23,857 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:28:05,754 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:28:05,771 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:28:05,771 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:28:05,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:05 BoogieIcfgContainer [2022-11-21 17:28:05,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:28:05,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:28:05,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:28:05,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:28:05,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:27:17" (1/3) ... [2022-11-21 17:28:05,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d895fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:05, skipping insertion in model container [2022-11-21 17:28:05,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:20" (2/3) ... [2022-11-21 17:28:05,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d895fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:05, skipping insertion in model container [2022-11-21 17:28:05,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:05" (3/3) ... [2022-11-21 17:28:05,784 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--serial--digi_acceleport.ko-entry_point.cil.out.i [2022-11-21 17:28:05,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:28:05,803 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:28:05,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:28:05,886 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1a646578, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:28:05,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:28:05,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 1273 states, 883 states have (on average 1.406568516421291) internal successors, (1242), 901 states have internal predecessors, (1242), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) [2022-11-21 17:28:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 17:28:05,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:05,926 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:05,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:05,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:05,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1656564187, now seen corresponding path program 1 times [2022-11-21 17:28:05,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:05,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704570703] [2022-11-21 17:28:05,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:05,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:05,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 17:28:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:07,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-21 17:28:07,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2022-11-21 17:28:07,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:07,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:07,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704570703] [2022-11-21 17:28:07,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704570703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:07,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:07,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:28:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630442387] [2022-11-21 17:28:07,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:07,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 17:28:07,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:07,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 17:28:07,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:28:07,822 INFO L87 Difference]: Start difference. First operand has 1273 states, 883 states have (on average 1.406568516421291) internal successors, (1242), 901 states have internal predecessors, (1242), 329 states have call successors, (329), 60 states have call predecessors, (329), 59 states have return successors, (324), 320 states have call predecessors, (324), 324 states have call successors, (324) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 17:28:08,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:08,012 INFO L93 Difference]: Finished difference Result 2541 states and 3893 transitions. [2022-11-21 17:28:08,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 17:28:08,014 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 151 [2022-11-21 17:28:08,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:08,041 INFO L225 Difference]: With dead ends: 2541 [2022-11-21 17:28:08,041 INFO L226 Difference]: Without dead ends: 1258 [2022-11-21 17:28:08,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 17:28:08,061 INFO L413 NwaCegarLoop]: 1890 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:08,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:28:08,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2022-11-21 17:28:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258. [2022-11-21 17:28:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 875 states have (on average 1.3988571428571428) internal successors, (1224), 886 states have internal predecessors, (1224), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-21 17:28:08,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1871 transitions. [2022-11-21 17:28:08,248 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1871 transitions. Word has length 151 [2022-11-21 17:28:08,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:08,249 INFO L495 AbstractCegarLoop]: Abstraction has 1258 states and 1871 transitions. [2022-11-21 17:28:08,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 17:28:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1871 transitions. [2022-11-21 17:28:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-21 17:28:08,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:08,266 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:08,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-21 17:28:08,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:08,492 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:08,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:08,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1012546771, now seen corresponding path program 1 times [2022-11-21 17:28:08,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:08,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1537973620] [2022-11-21 17:28:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:08,495 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:08,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:08,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:08,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 17:28:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:10,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:28:10,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:10,591 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-21 17:28:10,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:10,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:10,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1537973620] [2022-11-21 17:28:10,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1537973620] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:10,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:10,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:10,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079343302] [2022-11-21 17:28:10,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:10,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:10,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:10,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:10,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:10,596 INFO L87 Difference]: Start difference. First operand 1258 states and 1871 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 17:28:11,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:11,053 INFO L93 Difference]: Finished difference Result 2508 states and 3738 transitions. [2022-11-21 17:28:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:28:11,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 151 [2022-11-21 17:28:11,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:11,063 INFO L225 Difference]: With dead ends: 2508 [2022-11-21 17:28:11,063 INFO L226 Difference]: Without dead ends: 1259 [2022-11-21 17:28:11,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:28:11,070 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 3 mSDsluCounter, 3719 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5588 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:11,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5588 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:28:11,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2022-11-21 17:28:11,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1259. [2022-11-21 17:28:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 876 states have (on average 1.3984018264840183) internal successors, (1225), 887 states have internal predecessors, (1225), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-21 17:28:11,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1872 transitions. [2022-11-21 17:28:11,129 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1872 transitions. Word has length 151 [2022-11-21 17:28:11,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:11,129 INFO L495 AbstractCegarLoop]: Abstraction has 1259 states and 1872 transitions. [2022-11-21 17:28:11,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 17:28:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1872 transitions. [2022-11-21 17:28:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-21 17:28:11,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:11,133 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:11,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:11,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:11,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:11,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:11,355 INFO L85 PathProgramCache]: Analyzing trace with hash -654074439, now seen corresponding path program 1 times [2022-11-21 17:28:11,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:11,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2057515291] [2022-11-21 17:28:11,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:11,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:11,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 17:28:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1872 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:28:13,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 64 proven. 1 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2022-11-21 17:28:13,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:28:14,350 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2022-11-21 17:28:14,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:14,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2057515291] [2022-11-21 17:28:14,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2057515291] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:28:14,351 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:28:14,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-21 17:28:14,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376852472] [2022-11-21 17:28:14,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:28:14,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:28:14,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:14,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:28:14,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:28:14,353 INFO L87 Difference]: Start difference. First operand 1259 states and 1872 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 17:28:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:15,435 INFO L93 Difference]: Finished difference Result 2515 states and 3755 transitions. [2022-11-21 17:28:15,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 17:28:15,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2022-11-21 17:28:15,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:15,445 INFO L225 Difference]: With dead ends: 2515 [2022-11-21 17:28:15,445 INFO L226 Difference]: Without dead ends: 1262 [2022-11-21 17:28:15,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:28:15,453 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 10 mSDsluCounter, 7441 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9310 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:15,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9310 Invalid, 73 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-21 17:28:15,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-11-21 17:28:15,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1262. [2022-11-21 17:28:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1262 states, 879 states have (on average 1.3970420932878271) internal successors, (1228), 890 states have internal predecessors, (1228), 324 states have call successors, (324), 59 states have call predecessors, (324), 58 states have return successors, (323), 319 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-21 17:28:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 1262 states and 1875 transitions. [2022-11-21 17:28:15,510 INFO L78 Accepts]: Start accepts. Automaton has 1262 states and 1875 transitions. Word has length 160 [2022-11-21 17:28:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:15,511 INFO L495 AbstractCegarLoop]: Abstraction has 1262 states and 1875 transitions. [2022-11-21 17:28:15,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-21 17:28:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 1875 transitions. [2022-11-21 17:28:15,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 17:28:15,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:15,515 INFO L195 NwaCegarLoop]: trace histogram [36, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:15,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:15,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:15,739 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:15,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:15,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1922580909, now seen corresponding path program 2 times [2022-11-21 17:28:15,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:15,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405256998] [2022-11-21 17:28:15,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:28:15,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:15,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:15,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:15,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-21 17:28:17,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:28:17,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:28:17,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:28:17,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2022-11-21 17:28:17,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:17,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:17,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405256998] [2022-11-21 17:28:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405256998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:17,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:28:17,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295774019] [2022-11-21 17:28:17,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:17,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:17,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:17,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:17,273 INFO L87 Difference]: Start difference. First operand 1262 states and 1875 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:28:19,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:19,003 INFO L93 Difference]: Finished difference Result 3509 states and 5188 transitions. [2022-11-21 17:28:19,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:19,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2022-11-21 17:28:19,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:19,017 INFO L225 Difference]: With dead ends: 3509 [2022-11-21 17:28:19,018 INFO L226 Difference]: Without dead ends: 2286 [2022-11-21 17:28:19,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:19,025 INFO L413 NwaCegarLoop]: 2120 mSDtfsCounter, 1529 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:19,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 3781 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 17:28:19,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2286 states. [2022-11-21 17:28:19,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2286 to 2283. [2022-11-21 17:28:19,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 1593 states have (on average 1.3904582548650346) internal successors, (2215), 1615 states have internal predecessors, (2215), 574 states have call successors, (574), 116 states have call predecessors, (574), 115 states have return successors, (573), 565 states have call predecessors, (573), 573 states have call successors, (573) [2022-11-21 17:28:19,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3362 transitions. [2022-11-21 17:28:19,141 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3362 transitions. Word has length 187 [2022-11-21 17:28:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:19,142 INFO L495 AbstractCegarLoop]: Abstraction has 2283 states and 3362 transitions. [2022-11-21 17:28:19,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:28:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3362 transitions. [2022-11-21 17:28:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 17:28:19,149 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:19,150 INFO L195 NwaCegarLoop]: trace histogram [36, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:19,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:19,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:19,363 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:19,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1523003063, now seen corresponding path program 1 times [2022-11-21 17:28:19,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:19,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094746493] [2022-11-21 17:28:19,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:19,365 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:19,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:19,366 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:19,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-21 17:28:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:23,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 2169 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:28:23,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2022-11-21 17:28:23,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:23,227 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:23,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094746493] [2022-11-21 17:28:23,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094746493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:23,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:23,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:28:23,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538026302] [2022-11-21 17:28:23,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:23,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:23,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:23,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:23,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:23,229 INFO L87 Difference]: Start difference. First operand 2283 states and 3362 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:28:25,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:25,218 INFO L93 Difference]: Finished difference Result 5604 states and 8229 transitions. [2022-11-21 17:28:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:25,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 187 [2022-11-21 17:28:25,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:25,239 INFO L225 Difference]: With dead ends: 5604 [2022-11-21 17:28:25,239 INFO L226 Difference]: Without dead ends: 3367 [2022-11-21 17:28:25,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:25,249 INFO L413 NwaCegarLoop]: 3250 mSDtfsCounter, 1516 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1516 SdHoareTripleChecker+Valid, 4899 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:25,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1516 Valid, 4899 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 17:28:25,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3367 states. [2022-11-21 17:28:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3367 to 3362. [2022-11-21 17:28:25,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3362 states, 2352 states have (on average 1.3860544217687074) internal successors, (3260), 2386 states have internal predecessors, (3260), 831 states have call successors, (831), 179 states have call predecessors, (831), 178 states have return successors, (830), 817 states have call predecessors, (830), 830 states have call successors, (830) [2022-11-21 17:28:25,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3362 states to 3362 states and 4921 transitions. [2022-11-21 17:28:25,493 INFO L78 Accepts]: Start accepts. Automaton has 3362 states and 4921 transitions. Word has length 187 [2022-11-21 17:28:25,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:25,495 INFO L495 AbstractCegarLoop]: Abstraction has 3362 states and 4921 transitions. [2022-11-21 17:28:25,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-21 17:28:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3362 states and 4921 transitions. [2022-11-21 17:28:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-21 17:28:25,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:25,506 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:25,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:25,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:25,719 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:25,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1306834617, now seen corresponding path program 1 times [2022-11-21 17:28:25,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:25,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922716035] [2022-11-21 17:28:25,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:25,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:25,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:25,723 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-21 17:28:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:30,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:28:30,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2022-11-21 17:28:32,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:32,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:32,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922716035] [2022-11-21 17:28:32,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922716035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:32,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:32,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:28:32,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712913625] [2022-11-21 17:28:32,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:32,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:32,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:32,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:32,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:32,430 INFO L87 Difference]: Start difference. First operand 3362 states and 4921 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 17:28:34,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:28:36,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:36,774 INFO L93 Difference]: Finished difference Result 8357 states and 12266 transitions. [2022-11-21 17:28:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:36,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 328 [2022-11-21 17:28:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:36,805 INFO L225 Difference]: With dead ends: 8357 [2022-11-21 17:28:36,805 INFO L226 Difference]: Without dead ends: 5048 [2022-11-21 17:28:36,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:36,819 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 1581 mSDsluCounter, 1659 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 77 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1581 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:36,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1581 Valid, 3905 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-21 17:28:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5048 states. [2022-11-21 17:28:37,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5048 to 5045. [2022-11-21 17:28:37,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5045 states, 3575 states have (on average 1.3748251748251747) internal successors, (4915), 3625 states have internal predecessors, (4915), 1193 states have call successors, (1193), 277 states have call predecessors, (1193), 276 states have return successors, (1192), 1174 states have call predecessors, (1192), 1192 states have call successors, (1192) [2022-11-21 17:28:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 5045 states and 7300 transitions. [2022-11-21 17:28:37,075 INFO L78 Accepts]: Start accepts. Automaton has 5045 states and 7300 transitions. Word has length 328 [2022-11-21 17:28:37,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:37,076 INFO L495 AbstractCegarLoop]: Abstraction has 5045 states and 7300 transitions. [2022-11-21 17:28:37,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 17:28:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 5045 states and 7300 transitions. [2022-11-21 17:28:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-21 17:28:37,084 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:37,084 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:37,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:37,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:37,299 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:37,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:37,300 INFO L85 PathProgramCache]: Analyzing trace with hash -907256771, now seen corresponding path program 1 times [2022-11-21 17:28:37,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:37,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491851160] [2022-11-21 17:28:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:37,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:37,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:37,304 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:37,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-21 17:28:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:41,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:28:41,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 451 proven. 0 refuted. 0 times theorem prover too weak. 1610 trivial. 0 not checked. [2022-11-21 17:28:43,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:43,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:43,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491851160] [2022-11-21 17:28:43,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491851160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:43,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:43,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:28:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792983383] [2022-11-21 17:28:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:43,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:43,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:43,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:43,362 INFO L87 Difference]: Start difference. First operand 5045 states and 7300 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 17:28:45,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:28:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:47,948 INFO L93 Difference]: Finished difference Result 12420 states and 18017 transitions. [2022-11-21 17:28:47,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:47,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 328 [2022-11-21 17:28:47,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:47,990 INFO L225 Difference]: With dead ends: 12420 [2022-11-21 17:28:47,990 INFO L226 Difference]: Without dead ends: 7428 [2022-11-21 17:28:48,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:48,011 INFO L413 NwaCegarLoop]: 2545 mSDtfsCounter, 1580 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1580 SdHoareTripleChecker+Valid, 4203 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:48,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1580 Valid, 4203 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-21 17:28:48,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7428 states. [2022-11-21 17:28:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7428 to 7423. [2022-11-21 17:28:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7423 states, 5330 states have (on average 1.3619136960600375) internal successors, (7259), 5402 states have internal predecessors, (7259), 1673 states have call successors, (1673), 420 states have call predecessors, (1673), 419 states have return successors, (1672), 1647 states have call predecessors, (1672), 1672 states have call successors, (1672) [2022-11-21 17:28:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7423 states to 7423 states and 10604 transitions. [2022-11-21 17:28:48,358 INFO L78 Accepts]: Start accepts. Automaton has 7423 states and 10604 transitions. Word has length 328 [2022-11-21 17:28:48,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:48,362 INFO L495 AbstractCegarLoop]: Abstraction has 7423 states and 10604 transitions. [2022-11-21 17:28:48,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-21 17:28:48,363 INFO L276 IsEmpty]: Start isEmpty. Operand 7423 states and 10604 transitions. [2022-11-21 17:28:48,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-11-21 17:28:48,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:48,369 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:48,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:48,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:48,591 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:48,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:48,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1696470720, now seen corresponding path program 1 times [2022-11-21 17:28:48,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:48,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268742108] [2022-11-21 17:28:48,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:48,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:48,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:48,595 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:48,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-21 17:28:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:53,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:28:53,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:28:59,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:59,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:59,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268742108] [2022-11-21 17:28:59,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268742108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:59,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:59,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:28:59,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107705118] [2022-11-21 17:28:59,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:28:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:59,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:28:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:59,616 INFO L87 Difference]: Start difference. First operand 7423 states and 10604 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:28:59,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:59,846 INFO L93 Difference]: Finished difference Result 7659 states and 10895 transitions. [2022-11-21 17:28:59,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:28:59,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 329 [2022-11-21 17:28:59,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:59,888 INFO L225 Difference]: With dead ends: 7659 [2022-11-21 17:28:59,888 INFO L226 Difference]: Without dead ends: 7656 [2022-11-21 17:28:59,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:28:59,894 INFO L413 NwaCegarLoop]: 1889 mSDtfsCounter, 1465 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:59,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 2212 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:28:59,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7656 states. [2022-11-21 17:29:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7656 to 7591. [2022-11-21 17:29:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7591 states, 5459 states have (on average 1.3606887708371496) internal successors, (7428), 5531 states have internal predecessors, (7428), 1686 states have call successors, (1686), 454 states have call predecessors, (1686), 445 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:29:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7591 states to 7591 states and 10799 transitions. [2022-11-21 17:29:00,263 INFO L78 Accepts]: Start accepts. Automaton has 7591 states and 10799 transitions. Word has length 329 [2022-11-21 17:29:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:00,264 INFO L495 AbstractCegarLoop]: Abstraction has 7591 states and 10799 transitions. [2022-11-21 17:29:00,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-21 17:29:00,264 INFO L276 IsEmpty]: Start isEmpty. Operand 7591 states and 10799 transitions. [2022-11-21 17:29:00,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-21 17:29:00,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:00,271 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:00,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:00,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:00,487 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:00,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash -669221903, now seen corresponding path program 1 times [2022-11-21 17:29:00,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:00,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061983614] [2022-11-21 17:29:00,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:00,489 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:00,490 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:00,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-21 17:29:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:05,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:29:05,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:05,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:29:05,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:05,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:05,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061983614] [2022-11-21 17:29:05,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061983614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:05,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:05,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:29:05,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106999071] [2022-11-21 17:29:05,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:05,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:29:05,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:05,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:29:05,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:29:05,416 INFO L87 Difference]: Start difference. First operand 7591 states and 10799 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-21 17:29:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:05,997 INFO L93 Difference]: Finished difference Result 7666 states and 10905 transitions. [2022-11-21 17:29:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:29:05,998 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 339 [2022-11-21 17:29:05,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:06,033 INFO L225 Difference]: With dead ends: 7666 [2022-11-21 17:29:06,033 INFO L226 Difference]: Without dead ends: 7663 [2022-11-21 17:29:06,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:06,039 INFO L413 NwaCegarLoop]: 1877 mSDtfsCounter, 11 mSDsluCounter, 5609 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:06,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 7486 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:29:06,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7663 states. [2022-11-21 17:29:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7663 to 7623. [2022-11-21 17:29:06,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7623 states, 5483 states have (on average 1.359109976290352) internal successors, (7452), 5555 states have internal predecessors, (7452), 1686 states have call successors, (1686), 462 states have call predecessors, (1686), 453 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:29:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7623 states to 7623 states and 10823 transitions. [2022-11-21 17:29:06,488 INFO L78 Accepts]: Start accepts. Automaton has 7623 states and 10823 transitions. Word has length 339 [2022-11-21 17:29:06,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:06,490 INFO L495 AbstractCegarLoop]: Abstraction has 7623 states and 10823 transitions. [2022-11-21 17:29:06,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-21 17:29:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand 7623 states and 10823 transitions. [2022-11-21 17:29:06,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-21 17:29:06,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:06,497 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:06,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:06,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:06,719 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:06,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1365701677, now seen corresponding path program 1 times [2022-11-21 17:29:06,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:06,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1024748416] [2022-11-21 17:29:06,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:06,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:06,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:06,728 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:06,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-21 17:29:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:11,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 2783 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:29:11,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2022-11-21 17:29:12,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:12,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:12,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1024748416] [2022-11-21 17:29:12,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1024748416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:12,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:12,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:29:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508753663] [2022-11-21 17:29:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:12,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:29:12,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:12,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:29:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:12,177 INFO L87 Difference]: Start difference. First operand 7623 states and 10823 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:29:13,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:13,732 INFO L93 Difference]: Finished difference Result 15193 states and 21682 transitions. [2022-11-21 17:29:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:29:13,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 365 [2022-11-21 17:29:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:13,767 INFO L225 Difference]: With dead ends: 15193 [2022-11-21 17:29:13,767 INFO L226 Difference]: Without dead ends: 7623 [2022-11-21 17:29:13,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:29:13,801 INFO L413 NwaCegarLoop]: 1850 mSDtfsCounter, 19 mSDsluCounter, 7346 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 9196 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:13,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 9196 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-21 17:29:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7623 states. [2022-11-21 17:29:14,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7623 to 7623. [2022-11-21 17:29:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7623 states, 5483 states have (on average 1.357650921028634) internal successors, (7444), 5555 states have internal predecessors, (7444), 1686 states have call successors, (1686), 462 states have call predecessors, (1686), 453 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:29:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7623 states to 7623 states and 10815 transitions. [2022-11-21 17:29:14,408 INFO L78 Accepts]: Start accepts. Automaton has 7623 states and 10815 transitions. Word has length 365 [2022-11-21 17:29:14,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:14,409 INFO L495 AbstractCegarLoop]: Abstraction has 7623 states and 10815 transitions. [2022-11-21 17:29:14,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-21 17:29:14,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7623 states and 10815 transitions. [2022-11-21 17:29:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-11-21 17:29:14,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:14,419 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:14,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:14,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:14,642 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1123827285, now seen corresponding path program 1 times [2022-11-21 17:29:14,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:14,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500560876] [2022-11-21 17:29:14,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:14,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:14,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:14,647 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:14,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-21 17:29:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:19,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2783 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:29:19,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2068 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2068 trivial. 0 not checked. [2022-11-21 17:29:19,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:19,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:19,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500560876] [2022-11-21 17:29:19,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500560876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:19,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:19,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:29:19,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663623375] [2022-11-21 17:29:19,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:19,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:29:19,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:19,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:29:19,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:29:19,844 INFO L87 Difference]: Start difference. First operand 7623 states and 10815 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-21 17:29:20,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:20,299 INFO L93 Difference]: Finished difference Result 7674 states and 10887 transitions. [2022-11-21 17:29:20,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:29:20,299 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 365 [2022-11-21 17:29:20,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:20,331 INFO L225 Difference]: With dead ends: 7674 [2022-11-21 17:29:20,331 INFO L226 Difference]: Without dead ends: 7671 [2022-11-21 17:29:20,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:20,337 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 13 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 7457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:20,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 7457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:29:20,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7671 states. [2022-11-21 17:29:20,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7671 to 7655. [2022-11-21 17:29:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7655 states, 5507 states have (on average 1.3560922462320684) internal successors, (7468), 5579 states have internal predecessors, (7468), 1686 states have call successors, (1686), 470 states have call predecessors, (1686), 461 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:29:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7655 states to 7655 states and 10839 transitions. [2022-11-21 17:29:20,762 INFO L78 Accepts]: Start accepts. Automaton has 7655 states and 10839 transitions. Word has length 365 [2022-11-21 17:29:20,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:20,763 INFO L495 AbstractCegarLoop]: Abstraction has 7655 states and 10839 transitions. [2022-11-21 17:29:20,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-21 17:29:20,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7655 states and 10839 transitions. [2022-11-21 17:29:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-21 17:29:20,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:20,773 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:20,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:20,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:20,994 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:20,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:20,994 INFO L85 PathProgramCache]: Analyzing trace with hash -239370847, now seen corresponding path program 1 times [2022-11-21 17:29:20,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:20,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365722167] [2022-11-21 17:29:20,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:20,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:20,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:20,998 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:21,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-21 17:29:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:25,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 2751 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:29:25,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:26,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:29:26,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:26,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:26,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [365722167] [2022-11-21 17:29:26,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [365722167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:26,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:26,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:29:26,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802243138] [2022-11-21 17:29:26,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:26,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:29:26,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:26,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:29:26,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:26,345 INFO L87 Difference]: Start difference. First operand 7655 states and 10839 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-21 17:29:27,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:27,775 INFO L93 Difference]: Finished difference Result 15257 states and 21656 transitions. [2022-11-21 17:29:27,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:29:27,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 375 [2022-11-21 17:29:27,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:27,810 INFO L225 Difference]: With dead ends: 15257 [2022-11-21 17:29:27,810 INFO L226 Difference]: Without dead ends: 7655 [2022-11-21 17:29:27,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:29:27,834 INFO L413 NwaCegarLoop]: 1849 mSDtfsCounter, 32 mSDsluCounter, 7327 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:27,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 9176 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 17:29:27,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7655 states. [2022-11-21 17:29:28,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7655 to 7655. [2022-11-21 17:29:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7655 states, 5507 states have (on average 1.354639549664064) internal successors, (7460), 5579 states have internal predecessors, (7460), 1686 states have call successors, (1686), 470 states have call predecessors, (1686), 461 states have return successors, (1685), 1652 states have call predecessors, (1685), 1685 states have call successors, (1685) [2022-11-21 17:29:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7655 states to 7655 states and 10831 transitions. [2022-11-21 17:29:28,296 INFO L78 Accepts]: Start accepts. Automaton has 7655 states and 10831 transitions. Word has length 375 [2022-11-21 17:29:28,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:28,297 INFO L495 AbstractCegarLoop]: Abstraction has 7655 states and 10831 transitions. [2022-11-21 17:29:28,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-21 17:29:28,298 INFO L276 IsEmpty]: Start isEmpty. Operand 7655 states and 10831 transitions. [2022-11-21 17:29:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-21 17:29:28,307 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:28,308 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:28,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:28,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:28,531 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:28,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:28,531 INFO L85 PathProgramCache]: Analyzing trace with hash -216738593, now seen corresponding path program 1 times [2022-11-21 17:29:28,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:28,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045055325] [2022-11-21 17:29:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:28,534 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:28,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-21 17:29:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:33,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 2751 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:29:33,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:33,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:29:33,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:33,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:33,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045055325] [2022-11-21 17:29:33,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045055325] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:33,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:33,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:29:33,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786586370] [2022-11-21 17:29:33,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:33,854 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:29:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:33,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:29:33,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:29:33,856 INFO L87 Difference]: Start difference. First operand 7655 states and 10831 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-21 17:29:34,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:34,330 INFO L93 Difference]: Finished difference Result 15472 states and 21954 transitions. [2022-11-21 17:29:34,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:29:34,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 375 [2022-11-21 17:29:34,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:34,363 INFO L225 Difference]: With dead ends: 15472 [2022-11-21 17:29:34,363 INFO L226 Difference]: Without dead ends: 7870 [2022-11-21 17:29:34,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:29:34,388 INFO L413 NwaCegarLoop]: 1881 mSDtfsCounter, 34 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 5622 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:34,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 5622 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:29:34,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7870 states. [2022-11-21 17:29:34,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7870 to 7870. [2022-11-21 17:29:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7870 states, 5642 states have (on average 1.3518255937610777) internal successors, (7627), 5724 states have internal predecessors, (7627), 1761 states have call successors, (1761), 475 states have call predecessors, (1761), 466 states have return successors, (1760), 1727 states have call predecessors, (1760), 1760 states have call successors, (1760) [2022-11-21 17:29:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7870 states to 7870 states and 11148 transitions. [2022-11-21 17:29:34,853 INFO L78 Accepts]: Start accepts. Automaton has 7870 states and 11148 transitions. Word has length 375 [2022-11-21 17:29:34,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:34,855 INFO L495 AbstractCegarLoop]: Abstraction has 7870 states and 11148 transitions. [2022-11-21 17:29:34,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-21 17:29:34,855 INFO L276 IsEmpty]: Start isEmpty. Operand 7870 states and 11148 transitions. [2022-11-21 17:29:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-21 17:29:34,866 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:34,867 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:34,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:35,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:35,091 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1169464801, now seen corresponding path program 1 times [2022-11-21 17:29:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:35,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760403696] [2022-11-21 17:29:35,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:35,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:35,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:35,096 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:35,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-21 17:29:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:40,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 2751 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:29:40,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2061 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:29:40,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:40,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:40,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760403696] [2022-11-21 17:29:40,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760403696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:40,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:40,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:29:40,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452031400] [2022-11-21 17:29:40,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:40,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:29:40,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:40,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:29:40,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:29:40,459 INFO L87 Difference]: Start difference. First operand 7870 states and 11148 transitions. Second operand has 5 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-21 17:29:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:40,957 INFO L93 Difference]: Finished difference Result 8308 states and 11806 transitions. [2022-11-21 17:29:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:29:40,958 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 375 [2022-11-21 17:29:40,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:40,990 INFO L225 Difference]: With dead ends: 8308 [2022-11-21 17:29:40,991 INFO L226 Difference]: Without dead ends: 8305 [2022-11-21 17:29:40,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:40,997 INFO L413 NwaCegarLoop]: 1918 mSDtfsCounter, 33 mSDsluCounter, 5696 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 7614 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:40,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 7614 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:29:41,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8305 states. [2022-11-21 17:29:41,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8305 to 7902. [2022-11-21 17:29:41,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7902 states, 5666 states have (on average 1.3503353335686552) internal successors, (7651), 5748 states have internal predecessors, (7651), 1761 states have call successors, (1761), 483 states have call predecessors, (1761), 474 states have return successors, (1760), 1727 states have call predecessors, (1760), 1760 states have call successors, (1760) [2022-11-21 17:29:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7902 states to 7902 states and 11172 transitions. [2022-11-21 17:29:41,432 INFO L78 Accepts]: Start accepts. Automaton has 7902 states and 11172 transitions. Word has length 375 [2022-11-21 17:29:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:41,433 INFO L495 AbstractCegarLoop]: Abstraction has 7902 states and 11172 transitions. [2022-11-21 17:29:41,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-21 17:29:41,433 INFO L276 IsEmpty]: Start isEmpty. Operand 7902 states and 11172 transitions. [2022-11-21 17:29:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-11-21 17:29:41,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:41,444 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:41,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:41,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:41,671 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:41,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:41,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1334522641, now seen corresponding path program 1 times [2022-11-21 17:29:41,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:41,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253621155] [2022-11-21 17:29:41,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:41,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:41,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:41,674 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:41,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-21 17:29:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:46,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 2769 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:29:46,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:47,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2022-11-21 17:29:47,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:47,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:47,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253621155] [2022-11-21 17:29:47,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253621155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:47,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:47,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:29:47,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106458486] [2022-11-21 17:29:47,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:47,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:29:47,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:47,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:29:47,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:29:47,095 INFO L87 Difference]: Start difference. First operand 7902 states and 11172 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-21 17:29:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:47,601 INFO L93 Difference]: Finished difference Result 7953 states and 11238 transitions. [2022-11-21 17:29:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:29:47,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 378 [2022-11-21 17:29:47,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:47,631 INFO L225 Difference]: With dead ends: 7953 [2022-11-21 17:29:47,632 INFO L226 Difference]: Without dead ends: 7950 [2022-11-21 17:29:47,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 374 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:29:47,638 INFO L413 NwaCegarLoop]: 1878 mSDtfsCounter, 19 mSDsluCounter, 5600 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 7478 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:47,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 7478 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:29:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2022-11-21 17:29:48,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 7934. [2022-11-21 17:29:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7934 states, 5690 states have (on average 1.3488576449912126) internal successors, (7675), 5772 states have internal predecessors, (7675), 1761 states have call successors, (1761), 491 states have call predecessors, (1761), 482 states have return successors, (1760), 1727 states have call predecessors, (1760), 1760 states have call successors, (1760) [2022-11-21 17:29:48,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7934 states to 7934 states and 11196 transitions. [2022-11-21 17:29:48,093 INFO L78 Accepts]: Start accepts. Automaton has 7934 states and 11196 transitions. Word has length 378 [2022-11-21 17:29:48,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:48,094 INFO L495 AbstractCegarLoop]: Abstraction has 7934 states and 11196 transitions. [2022-11-21 17:29:48,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-11-21 17:29:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 7934 states and 11196 transitions. [2022-11-21 17:29:48,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-21 17:29:48,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:48,115 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:48,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:48,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:48,330 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:48,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1265101598, now seen corresponding path program 1 times [2022-11-21 17:29:48,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:48,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095290918] [2022-11-21 17:29:48,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:48,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:48,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:48,333 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:48,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-21 17:29:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:29:53,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:29:53,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:53,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:29:53,779 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:29:53,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:53,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2095290918] [2022-11-21 17:29:53,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2095290918] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:29:53,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:29:53,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:29:53,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986143765] [2022-11-21 17:29:53,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:29:53,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:29:53,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:53,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:29:53,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:29:53,782 INFO L87 Difference]: Start difference. First operand 7934 states and 11196 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:29:55,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:29:58,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:58,545 INFO L93 Difference]: Finished difference Result 18337 states and 25950 transitions. [2022-11-21 17:29:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:29:58,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 397 [2022-11-21 17:29:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:58,572 INFO L225 Difference]: With dead ends: 18337 [2022-11-21 17:29:58,573 INFO L226 Difference]: Without dead ends: 10456 [2022-11-21 17:29:58,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:29:58,592 INFO L413 NwaCegarLoop]: 3307 mSDtfsCounter, 1587 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 79 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:58,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1587 Valid, 4984 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 191 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-21 17:29:58,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10456 states. [2022-11-21 17:29:59,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10456 to 10443. [2022-11-21 17:29:59,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10443 states, 7541 states have (on average 1.343588383503514) internal successors, (10132), 7646 states have internal predecessors, (10132), 2257 states have call successors, (2257), 656 states have call predecessors, (2257), 644 states have return successors, (2256), 2214 states have call predecessors, (2256), 2256 states have call successors, (2256) [2022-11-21 17:29:59,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10443 states to 10443 states and 14645 transitions. [2022-11-21 17:29:59,104 INFO L78 Accepts]: Start accepts. Automaton has 10443 states and 14645 transitions. Word has length 397 [2022-11-21 17:29:59,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:59,104 INFO L495 AbstractCegarLoop]: Abstraction has 10443 states and 14645 transitions. [2022-11-21 17:29:59,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:29:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 10443 states and 14645 transitions. [2022-11-21 17:29:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-21 17:29:59,120 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:29:59,121 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:29:59,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:59,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:59,343 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:29:59,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:29:59,343 INFO L85 PathProgramCache]: Analyzing trace with hash -229631558, now seen corresponding path program 1 times [2022-11-21 17:29:59,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:29:59,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1969549940] [2022-11-21 17:29:59,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:29:59,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:59,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:29:59,348 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:29:59,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-21 17:30:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:04,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-21 17:30:04,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2064 trivial. 0 not checked. [2022-11-21 17:30:05,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:30:05,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:30:05,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1969549940] [2022-11-21 17:30:05,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1969549940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:05,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:05,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:30:05,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755499054] [2022-11-21 17:30:05,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:05,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:30:05,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:30:05,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:30:05,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:30:05,280 INFO L87 Difference]: Start difference. First operand 10443 states and 14645 transitions. Second operand has 6 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-21 17:30:06,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:06,888 INFO L93 Difference]: Finished difference Result 20833 states and 29266 transitions. [2022-11-21 17:30:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:30:06,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 401 [2022-11-21 17:30:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:06,930 INFO L225 Difference]: With dead ends: 20833 [2022-11-21 17:30:06,930 INFO L226 Difference]: Without dead ends: 10443 [2022-11-21 17:30:06,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:30:06,964 INFO L413 NwaCegarLoop]: 1848 mSDtfsCounter, 119 mSDsluCounter, 7244 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 9092 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:06,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 9092 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-21 17:30:06,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2022-11-21 17:30:07,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 10443. [2022-11-21 17:30:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10443 states, 7541 states have (on average 1.3421296910224108) internal successors, (10121), 7646 states have internal predecessors, (10121), 2257 states have call successors, (2257), 656 states have call predecessors, (2257), 644 states have return successors, (2256), 2214 states have call predecessors, (2256), 2256 states have call successors, (2256) [2022-11-21 17:30:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10443 states to 10443 states and 14634 transitions. [2022-11-21 17:30:07,658 INFO L78 Accepts]: Start accepts. Automaton has 10443 states and 14634 transitions. Word has length 401 [2022-11-21 17:30:07,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:07,660 INFO L495 AbstractCegarLoop]: Abstraction has 10443 states and 14634 transitions. [2022-11-21 17:30:07,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.4) internal successors, (117), 5 states have internal predecessors, (117), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-21 17:30:07,660 INFO L276 IsEmpty]: Start isEmpty. Operand 10443 states and 14634 transitions. [2022-11-21 17:30:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-21 17:30:07,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:07,685 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:07,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-21 17:30:07,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:07,899 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:30:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:07,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1445785284, now seen corresponding path program 1 times [2022-11-21 17:30:07,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:30:07,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1123559049] [2022-11-21 17:30:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:07,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:07,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:30:07,904 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:30:07,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-21 17:30:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:13,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-21 17:30:13,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2069 trivial. 0 not checked. [2022-11-21 17:30:13,900 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:30:13,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:30:13,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1123559049] [2022-11-21 17:30:13,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1123559049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:13,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:13,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:30:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077424117] [2022-11-21 17:30:13,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:13,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:30:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:30:13,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:30:13,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:30:13,903 INFO L87 Difference]: Start difference. First operand 10443 states and 14634 transitions. Second operand has 6 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-21 17:30:15,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:15,610 INFO L93 Difference]: Finished difference Result 20833 states and 29274 transitions. [2022-11-21 17:30:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:30:15,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 401 [2022-11-21 17:30:15,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:15,640 INFO L225 Difference]: With dead ends: 20833 [2022-11-21 17:30:15,641 INFO L226 Difference]: Without dead ends: 10443 [2022-11-21 17:30:15,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:30:15,664 INFO L413 NwaCegarLoop]: 1847 mSDtfsCounter, 26 mSDsluCounter, 7329 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 9176 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:15,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 9176 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-21 17:30:15,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2022-11-21 17:30:16,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 10443. [2022-11-21 17:30:16,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10443 states, 7541 states have (on average 1.3406709985413074) internal successors, (10110), 7646 states have internal predecessors, (10110), 2257 states have call successors, (2257), 656 states have call predecessors, (2257), 644 states have return successors, (2256), 2214 states have call predecessors, (2256), 2256 states have call successors, (2256) [2022-11-21 17:30:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10443 states to 10443 states and 14623 transitions. [2022-11-21 17:30:16,206 INFO L78 Accepts]: Start accepts. Automaton has 10443 states and 14623 transitions. Word has length 401 [2022-11-21 17:30:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:16,206 INFO L495 AbstractCegarLoop]: Abstraction has 10443 states and 14623 transitions. [2022-11-21 17:30:16,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 3 states have call successors, (37), 2 states have call predecessors, (37), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-21 17:30:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 10443 states and 14623 transitions. [2022-11-21 17:30:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-11-21 17:30:16,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:16,229 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:16,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-21 17:30:16,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:16,451 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:30:16,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash -785188842, now seen corresponding path program 1 times [2022-11-21 17:30:16,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:30:16,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135449988] [2022-11-21 17:30:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:16,453 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:30:16,454 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:30:16,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-21 17:30:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:22,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 2888 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:30:22,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2022-11-21 17:30:22,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:30:22,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:30:22,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135449988] [2022-11-21 17:30:22,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135449988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:22,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:22,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:30:22,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993901588] [2022-11-21 17:30:22,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:22,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:30:22,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:30:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:30:22,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:30:22,842 INFO L87 Difference]: Start difference. First operand 10443 states and 14623 transitions. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-21 17:30:31,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:30:33,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:30:37,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:37,056 INFO L93 Difference]: Finished difference Result 21438 states and 30213 transitions. [2022-11-21 17:30:37,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:30:37,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 401 [2022-11-21 17:30:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:37,093 INFO L225 Difference]: With dead ends: 21438 [2022-11-21 17:30:37,093 INFO L226 Difference]: Without dead ends: 11048 [2022-11-21 17:30:37,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:30:37,120 INFO L413 NwaCegarLoop]: 1871 mSDtfsCounter, 113 mSDsluCounter, 5523 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 7394 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:37,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 7394 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-21 17:30:37,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11048 states. [2022-11-21 17:30:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11048 to 10806. [2022-11-21 17:30:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10806 states, 7816 states have (on average 1.3483879222108495) internal successors, (10539), 7932 states have internal predecessors, (10539), 2334 states have call successors, (2334), 667 states have call predecessors, (2334), 655 states have return successors, (2333), 2280 states have call predecessors, (2333), 2333 states have call successors, (2333) [2022-11-21 17:30:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10806 states to 10806 states and 15206 transitions. [2022-11-21 17:30:37,506 INFO L78 Accepts]: Start accepts. Automaton has 10806 states and 15206 transitions. Word has length 401 [2022-11-21 17:30:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:37,507 INFO L495 AbstractCegarLoop]: Abstraction has 10806 states and 15206 transitions. [2022-11-21 17:30:37,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 4 states have internal predecessors, (112), 4 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2022-11-21 17:30:37,507 INFO L276 IsEmpty]: Start isEmpty. Operand 10806 states and 15206 transitions. [2022-11-21 17:30:37,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-11-21 17:30:37,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:37,525 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:37,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-21 17:30:37,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:37,739 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:30:37,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1893227031, now seen corresponding path program 1 times [2022-11-21 17:30:37,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:30:37,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992642907] [2022-11-21 17:30:37,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:37,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:30:37,742 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:30:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-21 17:30:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:42,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:30:42,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:43,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2077 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-11-21 17:30:43,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:30:43,078 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:30:43,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992642907] [2022-11-21 17:30:43,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1992642907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:43,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:43,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:30:43,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434459214] [2022-11-21 17:30:43,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:43,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:30:43,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:30:43,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:30:43,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:30:43,081 INFO L87 Difference]: Start difference. First operand 10806 states and 15206 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:30:45,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:30:48,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:48,139 INFO L93 Difference]: Finished difference Result 24947 states and 35205 transitions. [2022-11-21 17:30:48,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:30:48,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 398 [2022-11-21 17:30:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:48,194 INFO L225 Difference]: With dead ends: 24947 [2022-11-21 17:30:48,194 INFO L226 Difference]: Without dead ends: 14194 [2022-11-21 17:30:48,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:30:48,226 INFO L413 NwaCegarLoop]: 3249 mSDtfsCounter, 1591 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 85 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 4910 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:48,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 4910 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 205 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-21 17:30:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14194 states. [2022-11-21 17:30:48,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14194 to 14174. [2022-11-21 17:30:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14174 states, 10324 states have (on average 1.3425029058504456) internal successors, (13860), 10473 states have internal predecessors, (13860), 2977 states have call successors, (2977), 888 states have call predecessors, (2977), 872 states have return successors, (2976), 2907 states have call predecessors, (2976), 2976 states have call successors, (2976) [2022-11-21 17:30:48,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14174 states to 14174 states and 19813 transitions. [2022-11-21 17:30:48,782 INFO L78 Accepts]: Start accepts. Automaton has 14174 states and 19813 transitions. Word has length 398 [2022-11-21 17:30:48,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:48,782 INFO L495 AbstractCegarLoop]: Abstraction has 14174 states and 19813 transitions. [2022-11-21 17:30:48,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-21 17:30:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 14174 states and 19813 transitions. [2022-11-21 17:30:48,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-11-21 17:30:48,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:48,796 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:48,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-21 17:30:49,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:49,019 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:30:49,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:49,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1615635569, now seen corresponding path program 1 times [2022-11-21 17:30:49,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:30:49,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [216244164] [2022-11-21 17:30:49,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:49,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:30:49,023 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:30:49,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-21 17:30:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:30:54,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 2927 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:30:54,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:30:54,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2071 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2071 trivial. 0 not checked. [2022-11-21 17:30:54,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:30:54,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:30:54,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [216244164] [2022-11-21 17:30:54,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [216244164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:30:54,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:30:54,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:30:54,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968296853] [2022-11-21 17:30:54,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:30:54,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:30:54,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:30:54,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:30:54,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:30:54,825 INFO L87 Difference]: Start difference. First operand 14174 states and 19813 transitions. Second operand has 5 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-21 17:30:55,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:30:55,579 INFO L93 Difference]: Finished difference Result 14550 states and 20397 transitions. [2022-11-21 17:30:55,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:30:55,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 403 [2022-11-21 17:30:55,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:30:55,613 INFO L225 Difference]: With dead ends: 14550 [2022-11-21 17:30:55,613 INFO L226 Difference]: Without dead ends: 14547 [2022-11-21 17:30:55,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:30:55,618 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 29 mSDsluCounter, 5665 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 7570 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:30:55,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 7570 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:30:55,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14547 states. [2022-11-21 17:30:56,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14547 to 14202. [2022-11-21 17:30:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14202 states, 10345 states have (on average 1.3410343160947318) internal successors, (13873), 10494 states have internal predecessors, (13873), 2977 states have call successors, (2977), 895 states have call predecessors, (2977), 879 states have return successors, (2976), 2907 states have call predecessors, (2976), 2976 states have call successors, (2976) [2022-11-21 17:30:56,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14202 states to 14202 states and 19826 transitions. [2022-11-21 17:30:56,173 INFO L78 Accepts]: Start accepts. Automaton has 14202 states and 19826 transitions. Word has length 403 [2022-11-21 17:30:56,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:30:56,173 INFO L495 AbstractCegarLoop]: Abstraction has 14202 states and 19826 transitions. [2022-11-21 17:30:56,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 3 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-11-21 17:30:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 14202 states and 19826 transitions. [2022-11-21 17:30:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-11-21 17:30:56,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:30:56,196 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:30:56,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-21 17:30:56,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:56,413 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:30:56,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:30:56,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2085039776, now seen corresponding path program 1 times [2022-11-21 17:30:56,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:30:56,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1253204818] [2022-11-21 17:30:56,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:30:56,416 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:30:56,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:30:56,416 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:30:56,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-21 17:31:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:01,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:31:01,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2110 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 2081 trivial. 0 not checked. [2022-11-21 17:31:02,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:02,002 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:02,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1253204818] [2022-11-21 17:31:02,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1253204818] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:02,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:02,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:31:02,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056641981] [2022-11-21 17:31:02,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:02,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:31:02,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:02,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:31:02,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:31:02,004 INFO L87 Difference]: Start difference. First operand 14202 states and 19826 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:31:04,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:31:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:05,393 INFO L93 Difference]: Finished difference Result 35440 states and 49302 transitions. [2022-11-21 17:31:05,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:31:05,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 435 [2022-11-21 17:31:05,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:05,450 INFO L225 Difference]: With dead ends: 35440 [2022-11-21 17:31:05,450 INFO L226 Difference]: Without dead ends: 21291 [2022-11-21 17:31:05,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:31:05,477 INFO L413 NwaCegarLoop]: 3566 mSDtfsCounter, 1703 mSDsluCounter, 8984 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 12550 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:05,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 12550 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-21 17:31:05,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21291 states. [2022-11-21 17:31:06,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21291 to 14218. [2022-11-21 17:31:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14218 states, 10357 states have (on average 1.340639181230086) internal successors, (13885), 10506 states have internal predecessors, (13885), 2977 states have call successors, (2977), 895 states have call predecessors, (2977), 883 states have return successors, (2981), 2911 states have call predecessors, (2981), 2976 states have call successors, (2981) [2022-11-21 17:31:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14218 states to 14218 states and 19843 transitions. [2022-11-21 17:31:06,257 INFO L78 Accepts]: Start accepts. Automaton has 14218 states and 19843 transitions. Word has length 435 [2022-11-21 17:31:06,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:06,258 INFO L495 AbstractCegarLoop]: Abstraction has 14218 states and 19843 transitions. [2022-11-21 17:31:06,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 4 states have internal predecessors, (140), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:31:06,258 INFO L276 IsEmpty]: Start isEmpty. Operand 14218 states and 19843 transitions. [2022-11-21 17:31:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-11-21 17:31:06,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:06,270 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:06,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-11-21 17:31:06,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:06,470 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:06,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:06,471 INFO L85 PathProgramCache]: Analyzing trace with hash -830452244, now seen corresponding path program 1 times [2022-11-21 17:31:06,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:06,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1732034747] [2022-11-21 17:31:06,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:06,473 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:06,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:06,473 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:06,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-21 17:31:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:11,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2905 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:31:11,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2081 trivial. 0 not checked. [2022-11-21 17:31:11,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:11,880 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:11,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1732034747] [2022-11-21 17:31:11,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1732034747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:11,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:11,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:31:11,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246849972] [2022-11-21 17:31:11,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:11,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:31:11,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:11,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:31:11,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:31:11,883 INFO L87 Difference]: Start difference. First operand 14218 states and 19843 transitions. Second operand has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:31:13,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:31:15,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:15,482 INFO L93 Difference]: Finished difference Result 35460 states and 49307 transitions. [2022-11-21 17:31:15,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:31:15,483 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 436 [2022-11-21 17:31:15,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:15,638 INFO L225 Difference]: With dead ends: 35460 [2022-11-21 17:31:15,638 INFO L226 Difference]: Without dead ends: 21295 [2022-11-21 17:31:15,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:31:15,662 INFO L413 NwaCegarLoop]: 3558 mSDtfsCounter, 1695 mSDsluCounter, 8968 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 12526 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:15,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1697 Valid, 12526 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-21 17:31:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21295 states. [2022-11-21 17:31:16,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21295 to 14232. [2022-11-21 17:31:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14232 states, 10368 states have (on average 1.3402777777777777) internal successors, (13896), 10516 states have internal predecessors, (13896), 2977 states have call successors, (2977), 895 states have call predecessors, (2977), 886 states have return successors, (2984), 2915 states have call predecessors, (2984), 2976 states have call successors, (2984) [2022-11-21 17:31:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14232 states to 14232 states and 19857 transitions. [2022-11-21 17:31:16,724 INFO L78 Accepts]: Start accepts. Automaton has 14232 states and 19857 transitions. Word has length 436 [2022-11-21 17:31:16,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:16,724 INFO L495 AbstractCegarLoop]: Abstraction has 14232 states and 19857 transitions. [2022-11-21 17:31:16,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 4 states have internal predecessors, (141), 2 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 17:31:16,725 INFO L276 IsEmpty]: Start isEmpty. Operand 14232 states and 19857 transitions. [2022-11-21 17:31:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-11-21 17:31:16,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:16,748 INFO L195 NwaCegarLoop]: trace histogram [36, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:16,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-21 17:31:16,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:16,963 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:16,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:16,963 INFO L85 PathProgramCache]: Analyzing trace with hash 896958529, now seen corresponding path program 1 times [2022-11-21 17:31:16,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:16,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482965091] [2022-11-21 17:31:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:16,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:16,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:16,968 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:16,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-21 17:31:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:22,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 3104 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 17:31:22,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2123 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2083 trivial. 0 not checked. [2022-11-21 17:31:23,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:23,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:23,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482965091] [2022-11-21 17:31:23,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482965091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:23,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:23,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:31:23,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033891227] [2022-11-21 17:31:23,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:23,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:31:23,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:23,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:31:23,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:31:23,225 INFO L87 Difference]: Start difference. First operand 14232 states and 19857 transitions. Second operand has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-21 17:31:24,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:24,639 INFO L93 Difference]: Finished difference Result 28484 states and 39745 transitions. [2022-11-21 17:31:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:31:24,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 466 [2022-11-21 17:31:24,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:24,689 INFO L225 Difference]: With dead ends: 28484 [2022-11-21 17:31:24,689 INFO L226 Difference]: Without dead ends: 14305 [2022-11-21 17:31:24,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:31:24,717 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 4 mSDsluCounter, 7444 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9308 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:24,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9308 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:31:24,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2022-11-21 17:31:25,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 14267. [2022-11-21 17:31:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14267 states, 10396 states have (on average 1.339361292804925) internal successors, (13924), 10544 states have internal predecessors, (13924), 2977 states have call successors, (2977), 895 states have call predecessors, (2977), 893 states have return successors, (2998), 2922 states have call predecessors, (2998), 2976 states have call successors, (2998) [2022-11-21 17:31:25,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14267 states to 14267 states and 19899 transitions. [2022-11-21 17:31:25,502 INFO L78 Accepts]: Start accepts. Automaton has 14267 states and 19899 transitions. Word has length 466 [2022-11-21 17:31:25,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:25,502 INFO L495 AbstractCegarLoop]: Abstraction has 14267 states and 19899 transitions. [2022-11-21 17:31:25,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.666666666666668) internal successors, (160), 5 states have internal predecessors, (160), 2 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-11-21 17:31:25,503 INFO L276 IsEmpty]: Start isEmpty. Operand 14267 states and 19899 transitions. [2022-11-21 17:31:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-11-21 17:31:25,522 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:25,522 INFO L195 NwaCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:25,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-11-21 17:31:25,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:25,735 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:25,735 INFO L85 PathProgramCache]: Analyzing trace with hash 560429201, now seen corresponding path program 1 times [2022-11-21 17:31:25,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:25,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351795589] [2022-11-21 17:31:25,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:25,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:25,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:25,738 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:25,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-21 17:31:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:31,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 3134 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:31:31,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2022-11-21 17:31:31,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:31,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:31,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351795589] [2022-11-21 17:31:31,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351795589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:31,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:31,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:31:31,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422347489] [2022-11-21 17:31:31,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:31,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:31:31,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:31,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:31:31,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:31:31,681 INFO L87 Difference]: Start difference. First operand 14267 states and 19899 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 17:31:32,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:32,476 INFO L93 Difference]: Finished difference Result 28553 states and 39835 transitions. [2022-11-21 17:31:32,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:31:32,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 477 [2022-11-21 17:31:32,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:32,516 INFO L225 Difference]: With dead ends: 28553 [2022-11-21 17:31:32,516 INFO L226 Difference]: Without dead ends: 14339 [2022-11-21 17:31:32,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 473 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:31:32,542 INFO L413 NwaCegarLoop]: 1868 mSDtfsCounter, 3 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7464 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:32,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7464 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:31:32,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14339 states. [2022-11-21 17:31:33,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14339 to 14295. [2022-11-21 17:31:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14295 states, 10417 states have (on average 1.3386771623308054) internal successors, (13945), 10565 states have internal predecessors, (13945), 2977 states have call successors, (2977), 895 states have call predecessors, (2977), 900 states have return successors, (3012), 2929 states have call predecessors, (3012), 2976 states have call successors, (3012) [2022-11-21 17:31:33,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14295 states to 14295 states and 19934 transitions. [2022-11-21 17:31:33,452 INFO L78 Accepts]: Start accepts. Automaton has 14295 states and 19934 transitions. Word has length 477 [2022-11-21 17:31:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:33,453 INFO L495 AbstractCegarLoop]: Abstraction has 14295 states and 19934 transitions. [2022-11-21 17:31:33,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 4 states have internal predecessors, (156), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 17:31:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 14295 states and 19934 transitions. [2022-11-21 17:31:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-11-21 17:31:33,467 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:33,468 INFO L195 NwaCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:33,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-21 17:31:33,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:33,668 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:33,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:33,669 INFO L85 PathProgramCache]: Analyzing trace with hash -819427887, now seen corresponding path program 1 times [2022-11-21 17:31:33,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:33,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181529970] [2022-11-21 17:31:33,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:33,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:33,672 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:33,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-21 17:31:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:39,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:31:39,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2207 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2022-11-21 17:31:40,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:40,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:40,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181529970] [2022-11-21 17:31:40,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181529970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:40,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:40,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:31:40,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987221655] [2022-11-21 17:31:40,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:40,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:31:40,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:40,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:31:40,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:31:40,147 INFO L87 Difference]: Start difference. First operand 14295 states and 19934 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:31:42,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:31:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:45,582 INFO L93 Difference]: Finished difference Result 35735 states and 49650 transitions. [2022-11-21 17:31:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 17:31:45,582 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 481 [2022-11-21 17:31:45,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:45,638 INFO L225 Difference]: With dead ends: 35735 [2022-11-21 17:31:45,638 INFO L226 Difference]: Without dead ends: 21493 [2022-11-21 17:31:45,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:31:45,665 INFO L413 NwaCegarLoop]: 3567 mSDtfsCounter, 1710 mSDsluCounter, 19667 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1714 SdHoareTripleChecker+Valid, 23234 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:45,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1714 Valid, 23234 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-21 17:31:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21493 states. [2022-11-21 17:31:46,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21493 to 14305. [2022-11-21 17:31:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14305 states, 10422 states have (on average 1.3385146804835923) internal successors, (13950), 10571 states have internal predecessors, (13950), 2981 states have call successors, (2981), 895 states have call predecessors, (2981), 901 states have return successors, (3018), 2933 states have call predecessors, (3018), 2980 states have call successors, (3018) [2022-11-21 17:31:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14305 states to 14305 states and 19949 transitions. [2022-11-21 17:31:46,547 INFO L78 Accepts]: Start accepts. Automaton has 14305 states and 19949 transitions. Word has length 481 [2022-11-21 17:31:46,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:46,548 INFO L495 AbstractCegarLoop]: Abstraction has 14305 states and 19949 transitions. [2022-11-21 17:31:46,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:31:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 14305 states and 19949 transitions. [2022-11-21 17:31:46,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-11-21 17:31:46,560 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:46,561 INFO L195 NwaCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:46,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-21 17:31:46,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:46,761 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:46,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:46,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1927011109, now seen corresponding path program 1 times [2022-11-21 17:31:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:46,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291678165] [2022-11-21 17:31:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:46,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:46,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:46,765 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:46,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-21 17:31:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:31:52,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 3129 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:31:52,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:31:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2209 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2176 trivial. 0 not checked. [2022-11-21 17:31:53,104 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:31:53,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:31:53,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291678165] [2022-11-21 17:31:53,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291678165] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:31:53,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:31:53,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 17:31:53,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986694767] [2022-11-21 17:31:53,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:31:53,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 17:31:53,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:31:53,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 17:31:53,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-21 17:31:53,106 INFO L87 Difference]: Start difference. First operand 14305 states and 19949 transitions. Second operand has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:31:55,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:31:58,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:31:58,469 INFO L93 Difference]: Finished difference Result 35737 states and 49641 transitions. [2022-11-21 17:31:58,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 17:31:58,470 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 482 [2022-11-21 17:31:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:31:58,531 INFO L225 Difference]: With dead ends: 35737 [2022-11-21 17:31:58,531 INFO L226 Difference]: Without dead ends: 21485 [2022-11-21 17:31:58,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 475 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:31:58,560 INFO L413 NwaCegarLoop]: 3559 mSDtfsCounter, 1702 mSDsluCounter, 19627 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 23186 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:31:58,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 23186 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-21 17:31:58,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21485 states. [2022-11-21 17:31:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21485 to 14309. [2022-11-21 17:31:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14309 states, 10424 states have (on average 1.3384497313891022) internal successors, (13952), 10572 states have internal predecessors, (13952), 2984 states have call successors, (2984), 895 states have call predecessors, (2984), 900 states have return successors, (3019), 2936 states have call predecessors, (3019), 2983 states have call successors, (3019) [2022-11-21 17:31:59,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14309 states to 14309 states and 19955 transitions. [2022-11-21 17:31:59,651 INFO L78 Accepts]: Start accepts. Automaton has 14309 states and 19955 transitions. Word has length 482 [2022-11-21 17:31:59,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:31:59,651 INFO L495 AbstractCegarLoop]: Abstraction has 14309 states and 19955 transitions. [2022-11-21 17:31:59,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.875) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (42), 2 states have call predecessors, (42), 4 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2022-11-21 17:31:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 14309 states and 19955 transitions. [2022-11-21 17:31:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-21 17:31:59,669 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:31:59,669 INFO L195 NwaCegarLoop]: trace histogram [36, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:31:59,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Ended with exit code 0 [2022-11-21 17:31:59,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:59,870 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:31:59,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:31:59,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2045963771, now seen corresponding path program 1 times [2022-11-21 17:31:59,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:31:59,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668431251] [2022-11-21 17:31:59,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:31:59,874 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:31:59,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:31:59,875 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:31:59,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-21 17:32:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:05,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 3390 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 17:32:05,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:32:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2231 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 2191 trivial. 0 not checked. [2022-11-21 17:32:06,735 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:32:06,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:32:06,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668431251] [2022-11-21 17:32:06,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668431251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:06,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:06,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:32:06,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975631825] [2022-11-21 17:32:06,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:06,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:32:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:32:06,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:32:06,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:32:06,739 INFO L87 Difference]: Start difference. First operand 14309 states and 19955 transitions. Second operand has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:08,321 INFO L93 Difference]: Finished difference Result 28649 states and 40013 transitions. [2022-11-21 17:32:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:32:08,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 510 [2022-11-21 17:32:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:08,361 INFO L225 Difference]: With dead ends: 28649 [2022-11-21 17:32:08,361 INFO L226 Difference]: Without dead ends: 14393 [2022-11-21 17:32:08,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:32:08,386 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 4 mSDsluCounter, 7442 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 9307 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:08,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 9307 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 17:32:08,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14393 states. [2022-11-21 17:32:09,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14393 to 14363. [2022-11-21 17:32:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14363 states, 10470 states have (on average 1.3369627507163324) internal successors, (13998), 10611 states have internal predecessors, (13998), 2984 states have call successors, (2984), 895 states have call predecessors, (2984), 908 states have return successors, (3027), 2951 states have call predecessors, (3027), 2983 states have call successors, (3027) [2022-11-21 17:32:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14363 states to 14363 states and 20009 transitions. [2022-11-21 17:32:09,088 INFO L78 Accepts]: Start accepts. Automaton has 14363 states and 20009 transitions. Word has length 510 [2022-11-21 17:32:09,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:09,088 INFO L495 AbstractCegarLoop]: Abstraction has 14363 states and 20009 transitions. [2022-11-21 17:32:09,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.833333333333332) internal successors, (173), 5 states have internal predecessors, (173), 2 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:09,089 INFO L276 IsEmpty]: Start isEmpty. Operand 14363 states and 20009 transitions. [2022-11-21 17:32:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2022-11-21 17:32:09,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:09,104 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:09,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-21 17:32:09,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:09,305 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:09,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:09,305 INFO L85 PathProgramCache]: Analyzing trace with hash -613739685, now seen corresponding path program 1 times [2022-11-21 17:32:09,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:32:09,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395910214] [2022-11-21 17:32:09,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:09,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:09,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:32:09,308 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:32:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-21 17:32:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:15,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 3420 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:32:15,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:32:16,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2326 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2022-11-21 17:32:16,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:32:16,069 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:32:16,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [395910214] [2022-11-21 17:32:16,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [395910214] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:16,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:16,070 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:32:16,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136104755] [2022-11-21 17:32:16,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:16,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:32:16,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:32:16,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:32:16,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:16,072 INFO L87 Difference]: Start difference. First operand 14363 states and 20009 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:18,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:21,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:21,432 INFO L93 Difference]: Finished difference Result 32118 states and 44856 transitions. [2022-11-21 17:32:21,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:32:21,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 521 [2022-11-21 17:32:21,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:21,490 INFO L225 Difference]: With dead ends: 32118 [2022-11-21 17:32:21,490 INFO L226 Difference]: Without dead ends: 17808 [2022-11-21 17:32:21,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:21,527 INFO L413 NwaCegarLoop]: 3370 mSDtfsCounter, 1585 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 78 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 5045 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:21,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 5045 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 192 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-21 17:32:21,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17808 states. [2022-11-21 17:32:22,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17808 to 17790. [2022-11-21 17:32:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17790 states, 13022 states have (on average 1.3335893103977883) internal successors, (17366), 13194 states have internal predecessors, (17366), 3631 states have call successors, (3631), 1121 states have call predecessors, (3631), 1136 states have return successors, (3682), 3590 states have call predecessors, (3682), 3630 states have call successors, (3682) [2022-11-21 17:32:22,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17790 states to 17790 states and 24679 transitions. [2022-11-21 17:32:22,499 INFO L78 Accepts]: Start accepts. Automaton has 17790 states and 24679 transitions. Word has length 521 [2022-11-21 17:32:22,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:22,499 INFO L495 AbstractCegarLoop]: Abstraction has 17790 states and 24679 transitions. [2022-11-21 17:32:22,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:22,500 INFO L276 IsEmpty]: Start isEmpty. Operand 17790 states and 24679 transitions. [2022-11-21 17:32:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2022-11-21 17:32:22,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:22,513 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:22,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-21 17:32:22,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:22,714 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:22,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:22,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1437743215, now seen corresponding path program 1 times [2022-11-21 17:32:22,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:32:22,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902410742] [2022-11-21 17:32:22,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:22,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:32:22,718 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:32:22,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-21 17:32:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:29,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 3422 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:32:29,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:32:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2022-11-21 17:32:29,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:32:29,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:32:29,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902410742] [2022-11-21 17:32:29,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [902410742] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:29,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:29,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:32:29,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215206036] [2022-11-21 17:32:29,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:29,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:32:29,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:32:29,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:32:29,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:29,479 INFO L87 Difference]: Start difference. First operand 17790 states and 24679 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:31,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:34,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:34,985 INFO L93 Difference]: Finished difference Result 39757 states and 55300 transitions. [2022-11-21 17:32:34,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:32:34,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 522 [2022-11-21 17:32:34,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:35,048 INFO L225 Difference]: With dead ends: 39757 [2022-11-21 17:32:35,048 INFO L226 Difference]: Without dead ends: 22020 [2022-11-21 17:32:35,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:32:35,085 INFO L413 NwaCegarLoop]: 3319 mSDtfsCounter, 1591 mSDsluCounter, 1661 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 84 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 4980 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:35,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 4980 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 206 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-11-21 17:32:35,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22020 states. [2022-11-21 17:32:36,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22020 to 21995. [2022-11-21 17:32:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21995 states, 16169 states have (on average 1.329704991032222) internal successors, (21500), 16379 states have internal predecessors, (21500), 4406 states have call successors, (4406), 1402 states have call predecessors, (4406), 1419 states have return successors, (4466), 4354 states have call predecessors, (4466), 4405 states have call successors, (4466) [2022-11-21 17:32:36,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21995 states to 21995 states and 30372 transitions. [2022-11-21 17:32:36,205 INFO L78 Accepts]: Start accepts. Automaton has 21995 states and 30372 transitions. Word has length 522 [2022-11-21 17:32:36,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:36,206 INFO L495 AbstractCegarLoop]: Abstraction has 21995 states and 30372 transitions. [2022-11-21 17:32:36,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-21 17:32:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 21995 states and 30372 transitions. [2022-11-21 17:32:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2022-11-21 17:32:36,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:36,230 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:36,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-21 17:32:36,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:36,440 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:36,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:36,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1321767960, now seen corresponding path program 1 times [2022-11-21 17:32:36,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:32:36,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1676817168] [2022-11-21 17:32:36,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:32:36,444 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:32:36,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-21 17:32:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:42,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 3589 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:32:42,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:32:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2022-11-21 17:32:42,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:32:42,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:32:42,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1676817168] [2022-11-21 17:32:42,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1676817168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:42,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:42,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:32:42,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994851038] [2022-11-21 17:32:42,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:42,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:32:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:32:42,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:32:42,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:32:42,984 INFO L87 Difference]: Start difference. First operand 21995 states and 30372 transitions. Second operand has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-21 17:32:45,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:46,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:46,148 INFO L93 Difference]: Finished difference Result 43955 states and 60716 transitions. [2022-11-21 17:32:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:32:46,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 575 [2022-11-21 17:32:46,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:46,226 INFO L225 Difference]: With dead ends: 43955 [2022-11-21 17:32:46,226 INFO L226 Difference]: Without dead ends: 22013 [2022-11-21 17:32:46,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 572 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:32:46,272 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 1 mSDsluCounter, 3725 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 5590 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:46,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 5590 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-21 17:32:46,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22013 states. [2022-11-21 17:32:47,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22013 to 22013. [2022-11-21 17:32:47,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 16187 states have (on average 1.329338357941558) internal successors, (21518), 16397 states have internal predecessors, (21518), 4406 states have call successors, (4406), 1402 states have call predecessors, (4406), 1419 states have return successors, (4466), 4354 states have call predecessors, (4466), 4405 states have call successors, (4466) [2022-11-21 17:32:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 30390 transitions. [2022-11-21 17:32:47,386 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 30390 transitions. Word has length 575 [2022-11-21 17:32:47,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:47,387 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 30390 transitions. [2022-11-21 17:32:47,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.5) internal successors, (198), 4 states have internal predecessors, (198), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-11-21 17:32:47,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 30390 transitions. [2022-11-21 17:32:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2022-11-21 17:32:47,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:47,407 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:47,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-21 17:32:47,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:47,608 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:47,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:47,609 INFO L85 PathProgramCache]: Analyzing trace with hash 606044262, now seen corresponding path program 1 times [2022-11-21 17:32:47,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:32:47,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385307984] [2022-11-21 17:32:47,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:47,611 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:32:47,611 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:32:47,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-21 17:32:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:32:53,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 3612 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:32:53,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:32:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2373 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 2316 trivial. 0 not checked. [2022-11-21 17:32:54,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:32:54,522 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:32:54,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385307984] [2022-11-21 17:32:54,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385307984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:32:54,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:32:54,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:32:54,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171274952] [2022-11-21 17:32:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:32:54,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:32:54,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:32:54,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:32:54,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:32:54,524 INFO L87 Difference]: Start difference. First operand 22013 states and 30390 transitions. Second operand has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-21 17:32:57,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:32:58,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:32:58,097 INFO L93 Difference]: Finished difference Result 44000 states and 60761 transitions. [2022-11-21 17:32:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:32:58,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 578 [2022-11-21 17:32:58,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:32:58,159 INFO L225 Difference]: With dead ends: 44000 [2022-11-21 17:32:58,159 INFO L226 Difference]: Without dead ends: 22040 [2022-11-21 17:32:58,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:32:58,203 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 8 mSDsluCounter, 5569 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7433 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:32:58,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7433 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-21 17:32:58,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22040 states. [2022-11-21 17:32:59,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22040 to 22022. [2022-11-21 17:32:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22022 states, 16196 states have (on average 1.329155346999259) internal successors, (21527), 16406 states have internal predecessors, (21527), 4406 states have call successors, (4406), 1402 states have call predecessors, (4406), 1419 states have return successors, (4466), 4354 states have call predecessors, (4466), 4405 states have call successors, (4466) [2022-11-21 17:32:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22022 states to 22022 states and 30399 transitions. [2022-11-21 17:32:59,319 INFO L78 Accepts]: Start accepts. Automaton has 22022 states and 30399 transitions. Word has length 578 [2022-11-21 17:32:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:32:59,320 INFO L495 AbstractCegarLoop]: Abstraction has 22022 states and 30399 transitions. [2022-11-21 17:32:59,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.2) internal successors, (201), 5 states have internal predecessors, (201), 3 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-11-21 17:32:59,321 INFO L276 IsEmpty]: Start isEmpty. Operand 22022 states and 30399 transitions. [2022-11-21 17:32:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2022-11-21 17:32:59,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:32:59,354 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:32:59,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-21 17:32:59,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:59,567 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:32:59,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:32:59,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1275382779, now seen corresponding path program 1 times [2022-11-21 17:32:59,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:32:59,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589809088] [2022-11-21 17:32:59,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:32:59,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:32:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:32:59,570 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:32:59,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-21 17:33:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:05,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 3632 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:33:05,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:33:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2383 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 2324 trivial. 0 not checked. [2022-11-21 17:33:06,261 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:33:06,261 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:33:06,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589809088] [2022-11-21 17:33:06,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589809088] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:06,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:06,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:33:06,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309505736] [2022-11-21 17:33:06,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:06,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:33:06,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:33:06,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:33:06,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:33:06,264 INFO L87 Difference]: Start difference. First operand 22022 states and 30399 transitions. Second operand has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-21 17:33:08,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:10,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:10,759 INFO L93 Difference]: Finished difference Result 57294 states and 78834 transitions. [2022-11-21 17:33:10,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:33:10,760 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 587 [2022-11-21 17:33:10,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:10,857 INFO L225 Difference]: With dead ends: 57294 [2022-11-21 17:33:10,857 INFO L226 Difference]: Without dead ends: 35325 [2022-11-21 17:33:10,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 588 GetRequests, 583 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:33:10,897 INFO L413 NwaCegarLoop]: 3620 mSDtfsCounter, 1757 mSDsluCounter, 9094 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 12714 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:10,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 12714 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-21 17:33:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35325 states. [2022-11-21 17:33:12,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35325 to 22042. [2022-11-21 17:33:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22042 states, 16211 states have (on average 1.3288507803343408) internal successors, (21542), 16421 states have internal predecessors, (21542), 4406 states have call successors, (4406), 1402 states have call predecessors, (4406), 1424 states have return successors, (4472), 4359 states have call predecessors, (4472), 4405 states have call successors, (4472) [2022-11-21 17:33:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22042 states to 22042 states and 30420 transitions. [2022-11-21 17:33:12,369 INFO L78 Accepts]: Start accepts. Automaton has 22042 states and 30420 transitions. Word has length 587 [2022-11-21 17:33:12,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:33:12,370 INFO L495 AbstractCegarLoop]: Abstraction has 22042 states and 30420 transitions. [2022-11-21 17:33:12,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.0) internal successors, (205), 4 states have internal predecessors, (205), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-21 17:33:12,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22042 states and 30420 transitions. [2022-11-21 17:33:12,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 590 [2022-11-21 17:33:12,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:33:12,402 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:33:12,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-21 17:33:12,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:12,623 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:33:12,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:33:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1475235530, now seen corresponding path program 1 times [2022-11-21 17:33:12,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:33:12,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1768608940] [2022-11-21 17:33:12,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:33:12,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:12,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:33:12,626 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:33:12,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-21 17:33:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:19,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 3636 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 17:33:19,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:33:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2388 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 2326 trivial. 0 not checked. [2022-11-21 17:33:19,362 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:33:19,362 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:33:19,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1768608940] [2022-11-21 17:33:19,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1768608940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:19,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:19,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:33:19,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789046177] [2022-11-21 17:33:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:19,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:33:19,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:33:19,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:33:19,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:33:19,364 INFO L87 Difference]: Start difference. First operand 22042 states and 30420 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-21 17:33:21,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:33:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:24,252 INFO L93 Difference]: Finished difference Result 57338 states and 78863 transitions. [2022-11-21 17:33:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:33:24,254 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) Word has length 589 [2022-11-21 17:33:24,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:24,354 INFO L225 Difference]: With dead ends: 57338 [2022-11-21 17:33:24,354 INFO L226 Difference]: Without dead ends: 35349 [2022-11-21 17:33:24,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:33:24,400 INFO L413 NwaCegarLoop]: 3616 mSDtfsCounter, 1753 mSDsluCounter, 9086 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 12702 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:24,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 12702 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2022-11-21 17:33:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35349 states. [2022-11-21 17:33:26,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35349 to 22060. [2022-11-21 17:33:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22060 states, 16225 states have (on average 1.328567026194145) internal successors, (21556), 16434 states have internal predecessors, (21556), 4406 states have call successors, (4406), 1402 states have call predecessors, (4406), 1428 states have return successors, (4476), 4364 states have call predecessors, (4476), 4405 states have call successors, (4476) [2022-11-21 17:33:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22060 states to 22060 states and 30438 transitions. [2022-11-21 17:33:26,094 INFO L78 Accepts]: Start accepts. Automaton has 22060 states and 30438 transitions. Word has length 589 [2022-11-21 17:33:26,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:33:26,094 INFO L495 AbstractCegarLoop]: Abstraction has 22060 states and 30438 transitions. [2022-11-21 17:33:26,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 4 states have internal predecessors, (206), 2 states have call successors, (55), 2 states have call predecessors, (55), 3 states have return successors, (52), 3 states have call predecessors, (52), 2 states have call successors, (52) [2022-11-21 17:33:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 22060 states and 30438 transitions. [2022-11-21 17:33:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 619 [2022-11-21 17:33:26,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:33:26,119 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:33:26,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-21 17:33:26,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:26,320 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:33:26,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:33:26,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1923393706, now seen corresponding path program 1 times [2022-11-21 17:33:26,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:33:26,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [396973902] [2022-11-21 17:33:26,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:33:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:33:26,324 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:33:26,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-21 17:33:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:33,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 3834 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:33:33,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:33:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2396 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2022-11-21 17:33:33,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:33:33,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:33:33,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [396973902] [2022-11-21 17:33:33,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [396973902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:33,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:33,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:33:33,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511294049] [2022-11-21 17:33:33,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:33,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:33:33,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:33:33,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:33:33,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:33:33,861 INFO L87 Difference]: Start difference. First operand 22060 states and 30438 transitions. Second operand has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2022-11-21 17:33:35,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:35,926 INFO L93 Difference]: Finished difference Result 44763 states and 61923 transitions. [2022-11-21 17:33:35,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:33:35,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 618 [2022-11-21 17:33:35,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:36,160 INFO L225 Difference]: With dead ends: 44763 [2022-11-21 17:33:36,160 INFO L226 Difference]: Without dead ends: 22756 [2022-11-21 17:33:36,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 618 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:33:36,223 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 26 mSDsluCounter, 3704 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 5573 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:36,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 5573 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:33:36,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22756 states. [2022-11-21 17:33:37,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22756 to 22492. [2022-11-21 17:33:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22492 states, 16513 states have (on average 1.3296190879912797) internal successors, (21956), 16754 states have internal predecessors, (21956), 4534 states have call successors, (4534), 1402 states have call predecessors, (4534), 1444 states have return successors, (4620), 4492 states have call predecessors, (4620), 4533 states have call successors, (4620) [2022-11-21 17:33:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22492 states to 22492 states and 31110 transitions. [2022-11-21 17:33:38,061 INFO L78 Accepts]: Start accepts. Automaton has 22492 states and 31110 transitions. Word has length 618 [2022-11-21 17:33:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:33:38,062 INFO L495 AbstractCegarLoop]: Abstraction has 22492 states and 31110 transitions. [2022-11-21 17:33:38,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.5) internal successors, (218), 4 states have internal predecessors, (218), 4 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2022-11-21 17:33:38,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22492 states and 31110 transitions. [2022-11-21 17:33:38,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2022-11-21 17:33:38,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:33:38,090 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:33:38,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2022-11-21 17:33:38,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:38,290 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:33:38,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:33:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1467005518, now seen corresponding path program 1 times [2022-11-21 17:33:38,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:33:38,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1811243893] [2022-11-21 17:33:38,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:33:38,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:38,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:33:38,294 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:33:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-21 17:33:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:45,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 4019 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:33:45,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:33:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2404 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 2329 trivial. 0 not checked. [2022-11-21 17:33:45,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:33:45,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:33:45,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1811243893] [2022-11-21 17:33:45,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1811243893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:45,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:45,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:33:45,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536385527] [2022-11-21 17:33:45,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:45,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:33:45,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:33:45,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:33:45,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:33:45,710 INFO L87 Difference]: Start difference. First operand 22492 states and 31110 transitions. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-11-21 17:33:47,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:47,652 INFO L93 Difference]: Finished difference Result 44979 states and 62824 transitions. [2022-11-21 17:33:47,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:33:47,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 666 [2022-11-21 17:33:47,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:47,750 INFO L225 Difference]: With dead ends: 44979 [2022-11-21 17:33:47,750 INFO L226 Difference]: Without dead ends: 22540 [2022-11-21 17:33:47,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:33:47,828 INFO L413 NwaCegarLoop]: 1862 mSDtfsCounter, 0 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3717 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:47,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3717 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:33:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22540 states. [2022-11-21 17:33:49,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22540 to 22492. [2022-11-21 17:33:49,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22492 states, 16513 states have (on average 1.3208986858838492) internal successors, (21812), 16754 states have internal predecessors, (21812), 4534 states have call successors, (4534), 1402 states have call predecessors, (4534), 1444 states have return successors, (4620), 4492 states have call predecessors, (4620), 4533 states have call successors, (4620) [2022-11-21 17:33:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22492 states to 22492 states and 30966 transitions. [2022-11-21 17:33:49,697 INFO L78 Accepts]: Start accepts. Automaton has 22492 states and 30966 transitions. Word has length 666 [2022-11-21 17:33:49,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:33:49,697 INFO L495 AbstractCegarLoop]: Abstraction has 22492 states and 30966 transitions. [2022-11-21 17:33:49,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 2 states have call successors, (69), 2 states have call predecessors, (69), 2 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-11-21 17:33:49,698 INFO L276 IsEmpty]: Start isEmpty. Operand 22492 states and 30966 transitions. [2022-11-21 17:33:49,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-11-21 17:33:49,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:33:49,719 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:33:49,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2022-11-21 17:33:49,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:49,920 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:33:49,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:33:49,920 INFO L85 PathProgramCache]: Analyzing trace with hash 127175588, now seen corresponding path program 1 times [2022-11-21 17:33:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:33:49,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885998636] [2022-11-21 17:33:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:33:49,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:33:49,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:33:49,923 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:33:49,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-21 17:33:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:33:57,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:33:57,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:33:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 2337 trivial. 0 not checked. [2022-11-21 17:33:57,376 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:33:57,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:33:57,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885998636] [2022-11-21 17:33:57,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885998636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:33:57,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:33:57,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:33:57,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587160535] [2022-11-21 17:33:57,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:33:57,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:33:57,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:33:57,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:33:57,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:33:57,379 INFO L87 Difference]: Start difference. First operand 22492 states and 30966 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-21 17:33:58,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:33:58,929 INFO L93 Difference]: Finished difference Result 45971 states and 63636 transitions. [2022-11-21 17:33:58,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:33:58,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) Word has length 644 [2022-11-21 17:33:58,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:33:59,020 INFO L225 Difference]: With dead ends: 45971 [2022-11-21 17:33:59,020 INFO L226 Difference]: Without dead ends: 23532 [2022-11-21 17:33:59,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:33:59,080 INFO L413 NwaCegarLoop]: 1870 mSDtfsCounter, 24 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 3719 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:33:59,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 3719 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:33:59,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23532 states. [2022-11-21 17:34:00,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23532 to 22612. [2022-11-21 17:34:00,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22612 states, 16593 states have (on average 1.3203157958175133) internal successors, (21908), 16818 states have internal predecessors, (21908), 4574 states have call successors, (4574), 1402 states have call predecessors, (4574), 1444 states have return successors, (4660), 4532 states have call predecessors, (4660), 4573 states have call successors, (4660) [2022-11-21 17:34:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22612 states to 22612 states and 31142 transitions. [2022-11-21 17:34:00,759 INFO L78 Accepts]: Start accepts. Automaton has 22612 states and 31142 transitions. Word has length 644 [2022-11-21 17:34:00,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:34:00,763 INFO L495 AbstractCegarLoop]: Abstraction has 22612 states and 31142 transitions. [2022-11-21 17:34:00,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (64), 2 states have call predecessors, (64), 2 states have return successors, (61), 3 states have call predecessors, (61), 3 states have call successors, (61) [2022-11-21 17:34:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 22612 states and 31142 transitions. [2022-11-21 17:34:00,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-11-21 17:34:00,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:34:00,792 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:34:00,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-21 17:34:00,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:34:00,993 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:34:00,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:34:00,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1014398434, now seen corresponding path program 1 times [2022-11-21 17:34:00,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:34:00,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202361793] [2022-11-21 17:34:00,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:34:00,997 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:34:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:34:00,999 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:34:01,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-21 17:34:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:34:08,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 3941 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 17:34:08,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:34:27,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 668 proven. 42 refuted. 0 times theorem prover too weak. 1706 trivial. 0 not checked. [2022-11-21 17:34:27,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:34:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2416 backedges. 93 proven. 30 refuted. 0 times theorem prover too weak. 2293 trivial. 0 not checked. [2022-11-21 17:34:36,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:34:36,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202361793] [2022-11-21 17:34:36,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202361793] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:34:36,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:34:36,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2022-11-21 17:34:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901486200] [2022-11-21 17:34:36,666 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:34:36,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 17:34:36,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:34:36,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 17:34:36,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-21 17:34:36,669 INFO L87 Difference]: Start difference. First operand 22612 states and 31142 transitions. Second operand has 19 states, 18 states have (on average 22.27777777777778) internal successors, (401), 15 states have internal predecessors, (401), 8 states have call successors, (109), 3 states have call predecessors, (109), 8 states have return successors, (108), 11 states have call predecessors, (108), 8 states have call successors, (108) [2022-11-21 17:34:38,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:40,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:42,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:34:44,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:35:18,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:35:18,555 INFO L93 Difference]: Finished difference Result 45282 states and 62355 transitions. [2022-11-21 17:35:18,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 17:35:18,557 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 22.27777777777778) internal successors, (401), 15 states have internal predecessors, (401), 8 states have call successors, (109), 3 states have call predecessors, (109), 8 states have return successors, (108), 11 states have call predecessors, (108), 8 states have call successors, (108) Word has length 644 [2022-11-21 17:35:18,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:35:18,660 INFO L225 Difference]: With dead ends: 45282 [2022-11-21 17:35:18,660 INFO L226 Difference]: Without dead ends: 22711 [2022-11-21 17:35:18,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1299 GetRequests, 1269 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2022-11-21 17:35:18,721 INFO L413 NwaCegarLoop]: 1947 mSDtfsCounter, 1894 mSDsluCounter, 20136 mSDsCounter, 0 mSdLazyCounter, 1765 mSolverCounterSat, 100 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 22083 SdHoareTripleChecker+Invalid, 1869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1765 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:35:18,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 22083 Invalid, 1869 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [100 Valid, 1765 Invalid, 4 Unknown, 0 Unchecked, 35.9s Time] [2022-11-21 17:35:18,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22711 states. [2022-11-21 17:35:20,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22711 to 22698. [2022-11-21 17:35:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22698 states, 16656 states have (on average 1.3199447646493756) internal successors, (21985), 16878 states have internal predecessors, (21985), 4588 states have call successors, (4588), 1410 states have call predecessors, (4588), 1453 states have return successors, (4675), 4545 states have call predecessors, (4675), 4587 states have call successors, (4675) [2022-11-21 17:35:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22698 states to 22698 states and 31248 transitions. [2022-11-21 17:35:20,953 INFO L78 Accepts]: Start accepts. Automaton has 22698 states and 31248 transitions. Word has length 644 [2022-11-21 17:35:20,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:35:20,954 INFO L495 AbstractCegarLoop]: Abstraction has 22698 states and 31248 transitions. [2022-11-21 17:35:20,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 22.27777777777778) internal successors, (401), 15 states have internal predecessors, (401), 8 states have call successors, (109), 3 states have call predecessors, (109), 8 states have return successors, (108), 11 states have call predecessors, (108), 8 states have call successors, (108) [2022-11-21 17:35:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22698 states and 31248 transitions. [2022-11-21 17:35:20,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2022-11-21 17:35:20,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:35:20,976 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:35:21,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-21 17:35:21,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:35:21,178 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:35:21,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:35:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash -811512579, now seen corresponding path program 1 times [2022-11-21 17:35:21,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:35:21,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1271440201] [2022-11-21 17:35:21,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:35:21,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:35:21,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:35:21,182 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:35:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-21 17:35:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:35:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 3945 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-21 17:35:28,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:35:44,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 351 proven. 6 refuted. 0 times theorem prover too weak. 2064 trivial. 0 not checked. [2022-11-21 17:35:44,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:35:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2421 backedges. 120 proven. 6 refuted. 0 times theorem prover too weak. 2295 trivial. 0 not checked. [2022-11-21 17:35:53,305 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:35:53,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1271440201] [2022-11-21 17:35:53,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1271440201] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:35:53,306 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:35:53,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 19 [2022-11-21 17:35:53,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407287585] [2022-11-21 17:35:53,306 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:35:53,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 17:35:53,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:35:53,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 17:35:53,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2022-11-21 17:35:53,309 INFO L87 Difference]: Start difference. First operand 22698 states and 31248 transitions. Second operand has 19 states, 18 states have (on average 21.833333333333332) internal successors, (393), 15 states have internal predecessors, (393), 8 states have call successors, (103), 3 states have call predecessors, (103), 8 states have return successors, (102), 11 states have call predecessors, (102), 8 states have call successors, (102) [2022-11-21 17:35:55,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:35:57,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 17:36:19,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:36:19,818 INFO L93 Difference]: Finished difference Result 45296 states and 62363 transitions. [2022-11-21 17:36:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 17:36:19,819 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 21.833333333333332) internal successors, (393), 15 states have internal predecessors, (393), 8 states have call successors, (103), 3 states have call predecessors, (103), 8 states have return successors, (102), 11 states have call predecessors, (102), 8 states have call successors, (102) Word has length 646 [2022-11-21 17:36:19,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:36:19,895 INFO L225 Difference]: With dead ends: 45296 [2022-11-21 17:36:19,895 INFO L226 Difference]: Without dead ends: 22719 [2022-11-21 17:36:19,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1303 GetRequests, 1273 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992 [2022-11-21 17:36:19,954 INFO L413 NwaCegarLoop]: 1960 mSDtfsCounter, 2931 mSDsluCounter, 15073 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 658 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2971 SdHoareTripleChecker+Valid, 17033 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:36:19,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2971 Valid, 17033 Invalid, 1661 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [658 Valid, 1001 Invalid, 2 Unknown, 0 Unchecked, 20.1s Time] [2022-11-21 17:36:19,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22719 states. [2022-11-21 17:36:22,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22719 to 22718. [2022-11-21 17:36:22,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22718 states, 16668 states have (on average 1.3194144468442524) internal successors, (21992), 16885 states have internal predecessors, (21992), 4594 states have call successors, (4594), 1413 states have call predecessors, (4594), 1455 states have return successors, (4680), 4551 states have call predecessors, (4680), 4593 states have call successors, (4680) [2022-11-21 17:36:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22718 states to 22718 states and 31266 transitions. [2022-11-21 17:36:22,495 INFO L78 Accepts]: Start accepts. Automaton has 22718 states and 31266 transitions. Word has length 646 [2022-11-21 17:36:22,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:36:22,496 INFO L495 AbstractCegarLoop]: Abstraction has 22718 states and 31266 transitions. [2022-11-21 17:36:22,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 21.833333333333332) internal successors, (393), 15 states have internal predecessors, (393), 8 states have call successors, (103), 3 states have call predecessors, (103), 8 states have return successors, (102), 11 states have call predecessors, (102), 8 states have call successors, (102) [2022-11-21 17:36:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 22718 states and 31266 transitions. [2022-11-21 17:36:22,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-11-21 17:36:22,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:36:22,520 INFO L195 NwaCegarLoop]: trace histogram [36, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:36:22,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-21 17:36:22,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:36:22,721 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:36:22,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:36:22,722 INFO L85 PathProgramCache]: Analyzing trace with hash 708442598, now seen corresponding path program 1 times [2022-11-21 17:36:22,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:36:22,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1572317947] [2022-11-21 17:36:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:36:22,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:36:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:36:22,725 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:36:22,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-21 17:36:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:31,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 4382 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:36:31,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:36:31,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2503 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2497 trivial. 0 not checked. [2022-11-21 17:36:31,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:36:31,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:36:31,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1572317947] [2022-11-21 17:36:31,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1572317947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:36:31,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:36:31,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:36:31,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92832402] [2022-11-21 17:36:31,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:36:31,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:36:31,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:36:31,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:36:31,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:36:31,863 INFO L87 Difference]: Start difference. First operand 22718 states and 31266 transitions. Second operand has 5 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2022-11-21 17:36:34,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:36:34,340 INFO L93 Difference]: Finished difference Result 22853 states and 31456 transitions. [2022-11-21 17:36:34,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:36:34,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) Word has length 723 [2022-11-21 17:36:34,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:36:34,342 INFO L225 Difference]: With dead ends: 22853 [2022-11-21 17:36:34,343 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:36:34,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 723 GetRequests, 719 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:36:34,369 INFO L413 NwaCegarLoop]: 1882 mSDtfsCounter, 21 mSDsluCounter, 5609 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 7491 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:36:34,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 7491 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:36:34,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:36:34,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:36:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:36:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:36:34,372 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2022-11-21 17:36:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:36:34,373 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:36:34,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 3 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (66), 1 states have call predecessors, (66), 1 states have call successors, (66) [2022-11-21 17:36:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:36:34,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:36:34,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:36:34,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-21 17:36:34,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da67c46-7f8d-4e45-8f1d-3a81dd244642/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:36:34,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.