./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8 --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 9624ba816941bfede66f01542dce3f33a9c079124b33387d166af076651564ba --- 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-e04fb08 [2022-11-16 11:39:05,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:39:05,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:39:06,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:39:06,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:39:06,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:39:06,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:39:06,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:39:06,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:39:06,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:39:06,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:39:06,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:39:06,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:39:06,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:39:06,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:39:06,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:39:06,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:39:06,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:39:06,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:39:06,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:39:06,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:39:06,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:39:06,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:39:06,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:39:06,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:39:06,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:39:06,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:39:06,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:39:06,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:39:06,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:39:06,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:39:06,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:39:06,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:39:06,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:39:06,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:39:06,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:39:06,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:39:06,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:39:06,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:39:06,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:39:06,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:39:06,048 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:39:06,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:39:06,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:39:06,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:39:06,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:39:06,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:39:06,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:39:06,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:39:06,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:39:06,075 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:39:06,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:39:06,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:39:06,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:39:06,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:39:06,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:39:06,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:39:06,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:39:06,078 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:39:06,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:39:06,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:39:06,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:39:06,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:39:06,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:06,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:39:06,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:39:06,081 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:39:06,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:39:06,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:39:06,081 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:39:06,082 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:39:06,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:39:06,082 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9624ba816941bfede66f01542dce3f33a9c079124b33387d166af076651564ba [2022-11-16 11:39:06,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:39:06,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:39:06,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:39:06,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:39:06,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:39:06,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:06,438 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/881ca1011/d866dd006c9144129505cd5d81a47986/FLAG5b73af2e0 [2022-11-16 11:39:06,989 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:39:06,989 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:07,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/881ca1011/d866dd006c9144129505cd5d81a47986/FLAG5b73af2e0 [2022-11-16 11:39:07,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/881ca1011/d866dd006c9144129505cd5d81a47986 [2022-11-16 11:39:07,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:39:07,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:39:07,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:07,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:39:07,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:39:07,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:07" (1/1) ... [2022-11-16 11:39:07,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e15ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:07, skipping insertion in model container [2022-11-16 11:39:07,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:07" (1/1) ... [2022-11-16 11:39:07,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:39:07,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:39:07,536 WARN L229 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c[1107,1120] [2022-11-16 11:39:07,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:07,909 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:39:07,920 WARN L229 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c[1107,1120] [2022-11-16 11:39:08,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:08,196 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:39:08,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08 WrapperNode [2022-11-16 11:39:08,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:08,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:08,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:39:08,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:39:08,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,412 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2921 [2022-11-16 11:39:08,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:08,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:39:08,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:39:08,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:39:08,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,508 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:39:08,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:39:08,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:39:08,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:39:08,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (1/1) ... [2022-11-16 11:39:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:08,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:08,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:39:08,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:39:08,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:39:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:39:09,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:39:09,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:39:11,198 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:11,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:11,213 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:39:11,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:11 BoogieIcfgContainer [2022-11-16 11:39:11,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:11,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:11,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:11,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:11,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:07" (1/3) ... [2022-11-16 11:39:11,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa476c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:11, skipping insertion in model container [2022-11-16 11:39:11,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:08" (2/3) ... [2022-11-16 11:39:11,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffa476c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:11, skipping insertion in model container [2022-11-16 11:39:11,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:11" (3/3) ... [2022-11-16 11:39:11,225 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:11,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:11,245 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:11,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:11,332 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;@5af25aaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:11,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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) [2022-11-16 11:39:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:39:11,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:11,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:11,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:11,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:11,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1909394218, now seen corresponding path program 1 times [2022-11-16 11:39:11,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:11,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715078800] [2022-11-16 11:39:11,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:11,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:11,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:39:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715078800] [2022-11-16 11:39:11,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715078800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:11,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:11,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:39:11,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493070605] [2022-11-16 11:39:11,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:11,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:39:11,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:39:11,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:39:11,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:39:11,974 INFO L87 Difference]: Start difference. First operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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) Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:39:12,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:12,159 INFO L93 Difference]: Finished difference Result 1474 states and 2452 transitions. [2022-11-16 11:39:12,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:39:12,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) Word has length 15 [2022-11-16 11:39:12,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:12,183 INFO L225 Difference]: With dead ends: 1474 [2022-11-16 11:39:12,183 INFO L226 Difference]: Without dead ends: 985 [2022-11-16 11:39:12,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:39:12,191 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 2397 mSDsluCounter, 848 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:12,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 1678 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:39:12,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2022-11-16 11:39:12,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 489. [2022-11-16 11:39:12,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.6577868852459017) internal successors, (809), 488 states have internal predecessors, (809), 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) [2022-11-16 11:39:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 809 transitions. [2022-11-16 11:39:12,258 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 809 transitions. Word has length 15 [2022-11-16 11:39:12,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:12,259 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 809 transitions. [2022-11-16 11:39:12,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-16 11:39:12,259 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 809 transitions. [2022-11-16 11:39:12,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 11:39:12,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:12,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:12,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:39:12,261 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:12,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:12,262 INFO L85 PathProgramCache]: Analyzing trace with hash 940046394, now seen corresponding path program 1 times [2022-11-16 11:39:12,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:39:12,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127801467] [2022-11-16 11:39:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:12,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:39:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:39:12,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:39:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:39:12,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:39:12,592 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:39:12,594 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:39:12,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:39:12,599 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:39:12,602 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:39:12,648 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:39:12,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:39:12 BoogieIcfgContainer [2022-11-16 11:39:12,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:39:12,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:39:12,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:39:12,667 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:39:12,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:11" (3/4) ... [2022-11-16 11:39:12,671 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:39:12,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:39:12,672 INFO L158 Benchmark]: Toolchain (without parser) took 5416.61ms. Allocated memory was 102.8MB in the beginning and 245.4MB in the end (delta: 142.6MB). Free memory was 67.7MB in the beginning and 155.1MB in the end (delta: -87.4MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-11-16 11:39:12,672 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:12,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.36ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 67.5MB in the beginning and 96.8MB in the end (delta: -29.3MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2022-11-16 11:39:12,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.71ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 73.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 11:39:12,674 INFO L158 Benchmark]: Boogie Preprocessor took 184.06ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 88.5MB in the end (delta: -15.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2022-11-16 11:39:12,675 INFO L158 Benchmark]: RCFGBuilder took 2618.06ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 88.5MB in the beginning and 99.3MB in the end (delta: -10.8MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. [2022-11-16 11:39:12,675 INFO L158 Benchmark]: TraceAbstraction took 1448.94ms. Allocated memory is still 245.4MB. Free memory was 98.3MB in the beginning and 156.2MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:12,676 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 245.4MB. Free memory was 156.2MB in the beginning and 155.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:12,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 102.8MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.36ms. Allocated memory was 102.8MB in the beginning and 138.4MB in the end (delta: 35.7MB). Free memory was 67.5MB in the beginning and 96.8MB in the end (delta: -29.3MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.71ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 73.0MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 184.06ms. Allocated memory is still 138.4MB. Free memory was 73.0MB in the beginning and 88.5MB in the end (delta: -15.5MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2618.06ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 88.5MB in the beginning and 99.3MB in the end (delta: -10.8MB). Peak memory consumption was 99.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1448.94ms. Allocated memory is still 245.4MB. Free memory was 98.3MB in the beginning and 156.2MB in the end (delta: -57.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 245.4MB. Free memory was 156.2MB in the beginning and 155.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 209, overapproximation of bitwiseOr at line 219, overapproximation of bitwiseAnd at line 207. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L31] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3); [L32] const SORT_9 msb_SORT_9 = (SORT_9)1 << (3 - 1); [L34] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 2); [L35] const SORT_13 msb_SORT_13 = (SORT_13)1 << (2 - 1); [L37] const SORT_48 mask_SORT_48 = (SORT_48)-1 >> (sizeof(SORT_48) * 8 - 12); [L38] const SORT_48 msb_SORT_48 = (SORT_48)1 << (12 - 1); [L40] const SORT_86 mask_SORT_86 = (SORT_86)-1 >> (sizeof(SORT_86) * 8 - 17); [L41] const SORT_86 msb_SORT_86 = (SORT_86)1 << (17 - 1); [L43] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 5); [L44] const SORT_87 msb_SORT_87 = (SORT_87)1 << (5 - 1); [L46] const SORT_90 mask_SORT_90 = (SORT_90)-1 >> (sizeof(SORT_90) * 8 - 9); [L47] const SORT_90 msb_SORT_90 = (SORT_90)1 << (9 - 1); [L49] const SORT_92 mask_SORT_92 = (SORT_92)-1 >> (sizeof(SORT_92) * 8 - 10); [L50] const SORT_92 msb_SORT_92 = (SORT_92)1 << (10 - 1); [L52] const SORT_95 mask_SORT_95 = (SORT_95)-1 >> (sizeof(SORT_95) * 8 - 11); [L53] const SORT_95 msb_SORT_95 = (SORT_95)1 << (11 - 1); [L55] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 13); [L56] const SORT_100 msb_SORT_100 = (SORT_100)1 << (13 - 1); [L58] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 14); [L59] const SORT_103 msb_SORT_103 = (SORT_103)1 << (14 - 1); [L61] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 15); [L62] const SORT_106 msb_SORT_106 = (SORT_106)1 << (15 - 1); [L64] const SORT_139 mask_SORT_139 = (SORT_139)-1 >> (sizeof(SORT_139) * 8 - 7); [L65] const SORT_139 msb_SORT_139 = (SORT_139)1 << (7 - 1); [L67] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 4); [L68] const SORT_372 msb_SORT_372 = (SORT_372)1 << (4 - 1); [L70] const SORT_375 mask_SORT_375 = (SORT_375)-1 >> (sizeof(SORT_375) * 8 - 6); [L71] const SORT_375 msb_SORT_375 = (SORT_375)1 << (6 - 1); [L73] const SORT_378 mask_SORT_378 = (SORT_378)-1 >> (sizeof(SORT_378) * 8 - 8); [L74] const SORT_378 msb_SORT_378 = (SORT_378)1 << (8 - 1); [L76] const SORT_3 var_6 = 0; [L77] const SORT_9 var_11 = 3; [L78] const SORT_13 var_15 = 1; [L79] const SORT_9 var_23 = 0; [L80] const SORT_1 var_37 = 1; [L81] const SORT_1 var_43 = 0; [L82] const SORT_48 var_49 = 0; [L83] const SORT_9 var_62 = 2; [L84] const SORT_9 var_66 = 1; [L85] const SORT_9 var_71 = 4; [L86] const SORT_9 var_73 = 5; [L87] const SORT_87 var_88 = 0; [L88] const SORT_139 var_141 = 5; [L89] const SORT_139 var_145 = 4; [L90] const SORT_139 var_149 = 3; [L91] const SORT_139 var_153 = 2; [L92] const SORT_139 var_157 = 1; [L93] const SORT_139 var_161 = 0; [L94] const SORT_48 var_200 = 2; [L95] const SORT_13 var_216 = 0; [L96] const SORT_3 var_223 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_212; [L102] SORT_3 input_213; [L103] SORT_3 input_214; [L104] SORT_3 input_222; [L105] SORT_3 input_230; [L106] SORT_3 input_231; [L107] SORT_3 input_232; [L108] SORT_3 input_235; [L109] SORT_3 input_253; [L110] SORT_3 input_254; [L111] SORT_3 input_255; [L112] SORT_3 input_258; [L113] SORT_3 input_260; [L114] SORT_13 input_274; [L115] SORT_13 input_275; [L116] SORT_13 input_276; [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] SORT_9 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L120] SORT_3 state_28 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] SORT_3 state_30 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] SORT_3 state_41 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] SORT_3 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] SORT_48 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_48; [L126] SORT_48 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_48; [L127] SORT_3 state_54 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] SORT_3 state_56 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] SORT_3 state_58 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] SORT_3 state_60 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_9 init_25_arg_1 = var_23; [L135] state_24 = init_25_arg_1 [L136] SORT_3 init_29_arg_1 = var_6; [L137] state_28 = init_29_arg_1 [L138] SORT_3 init_31_arg_1 = var_6; [L139] state_30 = init_31_arg_1 [L140] SORT_3 init_42_arg_1 = var_6; [L141] state_41 = init_42_arg_1 [L142] SORT_1 init_45_arg_1 = var_43; [L143] state_44 = init_45_arg_1 [L144] SORT_3 init_47_arg_1 = var_6; [L145] state_46 = init_47_arg_1 [L146] SORT_48 init_51_arg_1 = var_49; [L147] state_50 = init_51_arg_1 [L148] SORT_48 init_53_arg_1 = var_49; [L149] state_52 = init_53_arg_1 [L150] SORT_3 init_55_arg_1 = var_6; [L151] state_54 = init_55_arg_1 [L152] SORT_3 init_57_arg_1 = var_6; [L153] state_56 = init_57_arg_1 [L154] SORT_3 init_59_arg_1 = var_6; [L155] state_58 = init_59_arg_1 [L156] SORT_3 init_61_arg_1 = var_6; [L157] state_60 = init_61_arg_1 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_11=3, var_141=5, var_145=4, var_149=3, var_15=1, var_153=2, var_157=1, var_161=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_212 = __VERIFIER_nondet_ushort() [L164] input_213 = __VERIFIER_nondet_ushort() [L165] input_214 = __VERIFIER_nondet_ushort() [L166] input_222 = __VERIFIER_nondet_ushort() [L167] input_230 = __VERIFIER_nondet_ushort() [L168] input_231 = __VERIFIER_nondet_ushort() [L169] input_232 = __VERIFIER_nondet_ushort() [L170] input_235 = __VERIFIER_nondet_ushort() [L171] input_253 = __VERIFIER_nondet_ushort() [L172] input_254 = __VERIFIER_nondet_ushort() [L173] input_255 = __VERIFIER_nondet_ushort() [L174] input_258 = __VERIFIER_nondet_ushort() [L175] input_260 = __VERIFIER_nondet_ushort() [L176] input_274 = __VERIFIER_nondet_uchar() [L177] input_275 = __VERIFIER_nondet_uchar() [L178] input_276 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 0; VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_141=5, var_145=4, var_149=3, var_15=1, var_153=2, var_157=1, var_161=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L183] var_10 = var_10 & mask_SORT_9 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_141=5, var_145=4, var_149=3, var_15=1, var_153=2, var_157=1, var_161=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L184] SORT_9 var_12_arg_0 = var_10; [L185] SORT_9 var_12_arg_1 = var_11; [L186] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L187] SORT_3 var_14_arg_0 = state_7; [L188] SORT_13 var_14 = var_14_arg_0 >> 10; VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_161=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L189] var_14 = var_14 & mask_SORT_13 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_161=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L190] SORT_13 var_16_arg_0 = var_14; [L191] SORT_13 var_16_arg_1 = var_15; [L192] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L193] SORT_1 var_17_arg_0 = var_12; [L194] SORT_1 var_17_arg_1 = var_16; [L195] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L196] SORT_3 var_18_arg_0 = state_7; [L197] SORT_13 var_18 = var_18_arg_0 >> 3; VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L198] var_18 = var_18 & mask_SORT_13 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L199] SORT_3 var_19_arg_0 = state_7; [L200] SORT_13 var_19 = var_19_arg_0 >> 5; VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L201] var_19 = var_19 & mask_SORT_13 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_200=2, var_216=0, var_223=65535, var_23=0, var_37=1, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L202] SORT_13 var_20_arg_0 = var_18; [L203] SORT_13 var_20_arg_1 = var_19; [L204] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L205] SORT_1 var_21_arg_0 = var_17; [L206] SORT_1 var_21_arg_1 = var_20; [L207] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L208] SORT_1 var_22_arg_0 = var_21; [L209] SORT_1 var_22 = ~var_22_arg_0; [L210] SORT_9 var_26_arg_0 = state_24; [L211] SORT_1 var_26 = var_26_arg_0 >> 2; [L212] SORT_1 var_27_arg_0 = var_26; [L213] SORT_1 var_27 = ~var_27_arg_0; [L214] SORT_3 var_32_arg_0 = state_28; [L215] SORT_3 var_32_arg_1 = state_30; [L216] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L217] SORT_1 var_33_arg_0 = var_27; [L218] SORT_1 var_33_arg_1 = var_32; [L219] SORT_1 var_33 = var_33_arg_0 | var_33_arg_1; [L220] SORT_1 var_34_arg_0 = var_22; [L221] SORT_1 var_34_arg_1 = var_33; [L222] SORT_1 var_34 = var_34_arg_0 | var_34_arg_1; [L223] SORT_1 var_38_arg_0 = var_34; [L224] SORT_1 var_38 = ~var_38_arg_0; [L225] SORT_1 var_39_arg_0 = var_37; [L226] SORT_1 var_39_arg_1 = var_38; [L227] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_20=1, var_200=2, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_216=0, var_21_arg_0=0, var_21_arg_1=1, var_22=254, var_223=65535, var_22_arg_0=0, var_23=0, var_26=0, var_26_arg_0=0, var_27=255, var_27_arg_0=0, var_32=1, var_32_arg_0=0, var_32_arg_1=0, var_33=255, var_33_arg_0=255, var_33_arg_1=1, var_34=255, var_34_arg_0=254, var_34_arg_1=255, var_37=1, var_38=255, var_38_arg_0=255, var_39=1, var_39_arg_0=1, var_39_arg_1=255, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L228] var_39 = var_39 & mask_SORT_1 VAL [init_25_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_42_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_8_arg_1=0, input_2=9, input_212=8, input_213=12, input_214=17, input_222=15, input_230=16, input_231=6, input_232=7, input_235=5, input_253=10, input_254=11, input_255=3, input_258=13, input_260=18, input_274=19, input_275=1, input_276=14, input_4=4, input_5=2, mask_SORT_1=1, mask_SORT_100=8191, mask_SORT_103=16383, mask_SORT_106=32767, mask_SORT_13=3, mask_SORT_139=127, mask_SORT_3=65535, mask_SORT_372=15, mask_SORT_375=63, mask_SORT_378=255, mask_SORT_48=4095, mask_SORT_86=4294967295, mask_SORT_87=31, mask_SORT_9=7, mask_SORT_90=511, mask_SORT_92=1023, mask_SORT_95=2047, msb_SORT_1=1, msb_SORT_100=4096, msb_SORT_103=8192, msb_SORT_106=16384, msb_SORT_13=2, msb_SORT_139=64, msb_SORT_3=32768, msb_SORT_372=8, msb_SORT_375=32, msb_SORT_378=128, msb_SORT_48=2048, msb_SORT_86=65536, msb_SORT_87=16, msb_SORT_9=4, msb_SORT_90=256, msb_SORT_92=512, msb_SORT_95=1024, state_24=0, state_28=0, state_30=0, state_41=0, state_44=0, state_46=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=3, var_12=0, var_12_arg_0=0, var_12_arg_1=3, var_14=0, var_141=5, var_145=4, var_149=3, var_14_arg_0=0, var_15=1, var_153=2, var_157=1, var_16=0, var_161=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_20=1, var_200=2, var_20_arg_0=0, var_20_arg_1=0, var_21=0, var_216=0, var_21_arg_0=0, var_21_arg_1=1, var_22=254, var_223=65535, var_22_arg_0=0, var_23=0, var_26=0, var_26_arg_0=0, var_27=255, var_27_arg_0=0, var_32=1, var_32_arg_0=0, var_32_arg_1=0, var_33=255, var_33_arg_0=255, var_33_arg_1=1, var_34=255, var_34_arg_0=254, var_34_arg_1=255, var_37=1, var_38=255, var_38_arg_0=255, var_39=1, var_39_arg_0=1, var_39_arg_1=255, var_43=0, var_49=0, var_6=0, var_62=2, var_66=1, var_71=4, var_73=5, var_88=0] [L229] SORT_1 bad_40_arg_0 = var_39; [L230] CALL __VERIFIER_assert(!(bad_40_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 491 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2397 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2397 mSDsluCounter, 1678 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 848 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 830 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 496 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 [2022-11-16 11:39:12,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8 --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 9624ba816941bfede66f01542dce3f33a9c079124b33387d166af076651564ba --- 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-e04fb08 [2022-11-16 11:39:14,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:39:14,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:39:14,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:39:14,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:39:14,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:39:14,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:39:14,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:39:14,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:39:14,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:39:14,904 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:39:14,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:39:14,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:39:14,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:39:14,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:39:14,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:39:14,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:39:14,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:39:14,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:39:14,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:39:14,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:39:14,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:39:14,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:39:14,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:39:14,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:39:14,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:39:14,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:39:14,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:39:14,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:39:14,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:39:14,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:39:14,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:39:14,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:39:14,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:39:14,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:39:14,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:39:14,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:39:14,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:39:14,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:39:14,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:39:14,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:39:14,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:39:14,987 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:39:14,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:39:14,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:39:14,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:39:14,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:39:14,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:39:14,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:39:14,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:39:14,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:39:14,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:39:14,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:39:14,994 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:39:14,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:39:14,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:39:14,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:39:14,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:39:14,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:39:14,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:39:14,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:39:14,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:39:14,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:39:14,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:39:14,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:39:14,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:14,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:39:14,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:39:14,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:39:14,998 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:39:14,998 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:39:14,999 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:39:14,999 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:39:14,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:39:14,999 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:39:15,000 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9624ba816941bfede66f01542dce3f33a9c079124b33387d166af076651564ba [2022-11-16 11:39:15,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:39:15,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:39:15,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:39:15,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:39:15,381 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:39:15,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:15,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/69d9bc02a/ad99fc75a59743e6ba22a3499a6857be/FLAG1d5dcfa8d [2022-11-16 11:39:16,036 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:39:16,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:16,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/69d9bc02a/ad99fc75a59743e6ba22a3499a6857be/FLAG1d5dcfa8d [2022-11-16 11:39:16,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/data/69d9bc02a/ad99fc75a59743e6ba22a3499a6857be [2022-11-16 11:39:16,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:39:16,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:39:16,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:16,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:39:16,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:39:16,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:16" (1/1) ... [2022-11-16 11:39:16,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e486c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:16, skipping insertion in model container [2022-11-16 11:39:16,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:39:16" (1/1) ... [2022-11-16 11:39:16,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:39:16,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:39:16,535 WARN L229 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c[1107,1120] [2022-11-16 11:39:16,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:16,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:39:17,000 WARN L229 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_cd948c74-a77e-43f6-9026-7bbb7b78879c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p7.c[1107,1120] [2022-11-16 11:39:17,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:39:17,260 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:39:17,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17 WrapperNode [2022-11-16 11:39:17,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:39:17,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:17,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:39:17,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:39:17,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,324 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,444 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1801 [2022-11-16 11:39:17,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:39:17,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:39:17,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:39:17,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:39:17,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:39:17,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:39:17,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:39:17,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:39:17,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (1/1) ... [2022-11-16 11:39:17,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:39:17,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:39:17,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:39:17,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:39:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:39:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:39:18,114 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:39:18,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:39:21,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:39:21,035 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:39:21,037 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:39:21,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:21 BoogieIcfgContainer [2022-11-16 11:39:21,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:39:21,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:39:21,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:39:21,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:39:21,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:39:16" (1/3) ... [2022-11-16 11:39:21,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c15684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:21, skipping insertion in model container [2022-11-16 11:39:21,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:39:17" (2/3) ... [2022-11-16 11:39:21,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75c15684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:39:21, skipping insertion in model container [2022-11-16 11:39:21,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:39:21" (3/3) ... [2022-11-16 11:39:21,049 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p7.c [2022-11-16 11:39:21,071 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:39:21,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:39:21,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:39:21,146 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;@6941f7d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:39:21,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:39:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-16 11:39:21,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:39:21,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:21,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:39:21,158 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:21,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:21,164 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:39:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:21,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1905212361] [2022-11-16 11:39:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:21,177 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 [2022-11-16 11:39:21,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:21,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:39:21,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:21,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-16 11:39:21,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:21,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:39:21,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:21,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1905212361] [2022-11-16 11:39:21,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1905212361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:39:21,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:39:21,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:39:21,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638671085] [2022-11-16 11:39:21,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:39:21,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:39:21,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:21,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:39:21,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:39:21,892 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:39:22,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:22,363 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:39:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:39:22,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2022-11-16 11:39:22,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:22,373 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:39:22,373 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:39:22,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:39:22,379 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:22,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 11:39:22,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:39:22,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:39:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-16 11:39:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:39:22,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:39:22,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:22,410 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:39:22,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-16 11:39:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:39:22,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:39:22,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:22,411 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:39:22,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:22,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:22,624 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:22,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:39:22,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:22,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15669181] [2022-11-16 11:39:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:39:22,629 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 [2022-11-16 11:39:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:22,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:39:22,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:39:23,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-16 11:39:23,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:23,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:23,830 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:24,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:24,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15669181] [2022-11-16 11:39:24,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15669181] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:24,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:24,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:39:24,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306858821] [2022-11-16 11:39:24,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:24,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:39:24,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:24,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:39:24,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:39:24,230 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 11:39:24,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:24,518 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:39:24,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:39:24,519 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2022-11-16 11:39:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:24,519 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:39:24,520 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:39:24,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:39:24,521 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:24,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 10 Unchecked, 0.2s Time] [2022-11-16 11:39:24,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:39:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:39:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-16 11:39:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:39:24,526 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:39:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:24,526 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:39:24,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-16 11:39:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:39:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:39:24,527 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:24,527 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:39:24,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:24,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:24,728 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:24,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:24,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:39:24,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:24,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947603406] [2022-11-16 11:39:24,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:39:24,735 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 [2022-11-16 11:39:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:24,736 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:39:24,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:26,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:39:26,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:26,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 3121 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-16 11:39:26,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:26,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:39:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:39:27,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:27,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947603406] [2022-11-16 11:39:27,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947603406] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:39:27,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:39:27,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:39:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924699171] [2022-11-16 11:39:27,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:39:27,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:39:27,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:39:27,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:39:27,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:39:27,662 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-16 11:39:28,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:39:28,441 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2022-11-16 11:39:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:39:28,441 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) Word has length 11 [2022-11-16 11:39:28,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:39:28,442 INFO L225 Difference]: With dead ends: 21 [2022-11-16 11:39:28,442 INFO L226 Difference]: Without dead ends: 19 [2022-11-16 11:39:28,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2022-11-16 11:39:28,444 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:39:28,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 31 Unchecked, 0.5s Time] [2022-11-16 11:39:28,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-16 11:39:28,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-16 11:39:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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) [2022-11-16 11:39:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-16 11:39:28,450 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-11-16 11:39:28,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:39:28,451 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-16 11:39:28,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-16 11:39:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-16 11:39:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 11:39:28,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:39:28,452 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-16 11:39:28,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:28,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:28,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:39:28,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:39:28,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-11-16 11:39:28,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:39:28,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [495921703] [2022-11-16 11:39:28,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:39:28,663 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 [2022-11-16 11:39:28,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:39:28,664 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:39:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:39:31,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-16 11:39:31,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:39:31,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 6091 conjuncts, 1117 conjunts are in the unsatisfiable core [2022-11-16 11:39:31,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:40:05,221 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:40:05,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [495921703] [2022-11-16 11:40:05,221 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 11:40:05,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 11:40:05,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:40:05,422 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 11:40:05,433 INFO L158 Benchmark]: Toolchain (without parser) took 49175.16ms. Allocated memory was 73.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 53.7MB in the beginning and 555.0MB in the end (delta: -501.4MB). Peak memory consumption was 590.2MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,434 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:40:05,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.96ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 53.5MB in the beginning and 70.9MB in the end (delta: -17.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.47ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 57.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,437 INFO L158 Benchmark]: Boogie Preprocessor took 147.02ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 49.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,438 INFO L158 Benchmark]: RCFGBuilder took 3445.92ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 49.4MB in the beginning and 141.4MB in the end (delta: -92.0MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,438 INFO L158 Benchmark]: TraceAbstraction took 44383.57ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 140.4MB in the beginning and 555.0MB in the end (delta: -414.6MB). Peak memory consumption was 565.9MB. Max. memory is 16.1GB. [2022-11-16 11:40:05,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.96ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 53.5MB in the beginning and 70.9MB in the end (delta: -17.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.47ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 57.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 147.02ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 49.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3445.92ms. Allocated memory was 98.6MB in the beginning and 184.5MB in the end (delta: 86.0MB). Free memory was 49.4MB in the beginning and 141.4MB in the end (delta: -92.0MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * TraceAbstraction took 44383.57ms. Allocated memory was 184.5MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 140.4MB in the beginning and 555.0MB in the end (delta: -414.6MB). Peak memory consumption was 565.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 11:40:05,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd948c74-a77e-43f6-9026-7bbb7b78879c/bin/uautomizer-tPACEb0tL8/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop