./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 14:01:02,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 14:01:02,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 14:01:02,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 14:01:02,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 14:01:02,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 14:01:02,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 14:01:02,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 14:01:02,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 14:01:02,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 14:01:02,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 14:01:02,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 14:01:02,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 14:01:02,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 14:01:02,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 14:01:02,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 14:01:02,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 14:01:02,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 14:01:02,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 14:01:02,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 14:01:02,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 14:01:02,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 14:01:02,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 14:01:02,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 14:01:02,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 14:01:02,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 14:01:02,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 14:01:02,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 14:01:02,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 14:01:02,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 14:01:02,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 14:01:02,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 14:01:02,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 14:01:02,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 14:01:02,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 14:01:02,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 14:01:02,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 14:01:02,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 14:01:02,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 14:01:02,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 14:01:02,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 14:01:02,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 14:01:02,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 14:01:02,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 14:01:02,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 14:01:02,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 14:01:02,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 14:01:02,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 14:01:02,898 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 14:01:02,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 14:01:02,898 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 14:01:02,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 14:01:02,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 14:01:02,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 14:01:02,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 14:01:02,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 14:01:02,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 14:01:02,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 14:01:02,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 14:01:02,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 14:01:02,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 14:01:02,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 14:01:02,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 14:01:02,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:01:02,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 14:01:02,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 14:01:02,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 14:01:02,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 14:01:02,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 14:01:02,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 14:01:02,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 14:01:02,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 14:01:02,909 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_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce994d1a73c37780cf760e0a26dafcaa4c1158119509e83a0962528ef5890c5e [2022-11-21 14:01:03,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 14:01:03,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 14:01:03,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 14:01:03,225 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 14:01:03,225 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 14:01:03,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-21 14:01:06,306 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 14:01:07,119 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 14:01:07,120 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-21 14:01:07,194 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/data/bb8f20d1b/131e791402424365b33fe7a8af8eacf9/FLAG8aebe2134 [2022-11-21 14:01:07,213 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/data/bb8f20d1b/131e791402424365b33fe7a8af8eacf9 [2022-11-21 14:01:07,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 14:01:07,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 14:01:07,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 14:01:07,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 14:01:07,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 14:01:07,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:01:07" (1/1) ... [2022-11-21 14:01:07,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca2d896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:07, skipping insertion in model container [2022-11-21 14:01:07,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 02:01:07" (1/1) ... [2022-11-21 14:01:07,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 14:01:07,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 14:01:10,671 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-11-21 14:01:10,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:01:11,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 14:01:11,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i[374492,374505] [2022-11-21 14:01:11,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 14:01:11,787 INFO L208 MainTranslator]: Completed translation [2022-11-21 14:01:11,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11 WrapperNode [2022-11-21 14:01:11,788 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 14:01:11,788 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 14:01:11,789 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 14:01:11,789 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 14:01:11,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:11,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,160 INFO L138 Inliner]: procedures = 495, calls = 4443, calls flagged for inlining = 161, calls inlined = 145, statements flattened = 7941 [2022-11-21 14:01:12,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 14:01:12,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 14:01:12,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 14:01:12,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 14:01:12,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,540 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 14:01:12,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 14:01:12,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 14:01:12,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 14:01:12,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (1/1) ... [2022-11-21 14:01:12,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 14:01:12,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 14:01:12,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 14:01:12,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f57c198-e037-4ec0-8966-1c515db7d0f9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 14:01:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-21 14:01:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-21 14:01:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-21 14:01:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_request_effect_upload [2022-11-21 14:01:12,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_request_effect_upload [2022-11-21 14:01:12,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 14:01:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 14:01:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-21 14:01:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-21 14:01:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_playback_pid [2022-11-21 14:01:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_playback_pid [2022-11-21 14:01:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_field [2022-11-21 14:01:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_field [2022-11-21 14:01:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 14:01:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 14:01:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset [2022-11-21 14:01:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset [2022-11-21 14:01:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure usb_block_urb [2022-11-21 14:01:12,716 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_block_urb [2022-11-21 14:01:12,716 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 14:01:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 14:01:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_usage [2022-11-21 14:01:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_usage [2022-11-21 14:01:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2022-11-21 14:01:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2022-11-21 14:01:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure __usb_get_extra_descriptor [2022-11-21 14:01:12,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __usb_get_extra_descriptor [2022-11-21 14:01:12,717 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_init_reports [2022-11-21 14:01:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_init_reports [2022-11-21 14:01:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-21 14:01:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-21 14:01:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 14:01:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 14:01:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure hid_suspend [2022-11-21 14:01:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_suspend [2022-11-21 14:01:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_erase_pid [2022-11-21 14:01:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_erase_pid [2022-11-21 14:01:12,720 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 14:01:12,720 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 14:01:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-21 14:01:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2022-11-21 14:01:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2022-11-21 14:01:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-21 14:01:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-21 14:01:12,721 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_devnode [2022-11-21 14:01:12,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_devnode [2022-11-21 14:01:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 14:01:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 14:01:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 14:01:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 14:01:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_out [2022-11-21 14:01:12,722 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_out [2022-11-21 14:01:12,722 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume_common [2022-11-21 14:01:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume_common [2022-11-21 14:01:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 14:01:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-11-21 14:01:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_thread_lock_of_hiddev_list [2022-11-21 14:01:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure hid_output_report [2022-11-21 14:01:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_output_report [2022-11-21 14:01:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-21 14:01:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-21 14:01:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 14:01:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 14:01:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 14:01:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 14:01:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_power [2022-11-21 14:01:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_power [2022-11-21 14:01:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure hid_free_buffers [2022-11-21 14:01:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_free_buffers [2022-11-21 14:01:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 14:01:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 14:01:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 14:01:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure hid_pidff_init [2022-11-21 14:01:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_pidff_init [2022-11-21 14:01:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure hid_find_max_report [2022-11-21 14:01:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_find_max_report [2022-11-21 14:01:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-11-21 14:01:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_existancelock_of_hiddev [2022-11-21 14:01:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 14:01:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 14:01:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 14:01:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_autocenter [2022-11-21 14:01:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_autocenter [2022-11-21 14:01:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_request [2022-11-21 14:01:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_request [2022-11-21 14:01:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_ioctl [2022-11-21 14:01:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_ioctl [2022-11-21 14:01:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-11-21 14:01:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-11-21 14:01:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 14:01:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure hid_submit_ctrl [2022-11-21 14:01:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_submit_ctrl [2022-11-21 14:01:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 14:01:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 14:01:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-21 14:01:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-21 14:01:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_idle [2022-11-21 14:01:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_idle [2022-11-21 14:01:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-21 14:01:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2022-11-21 14:01:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 14:01:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 14:01:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 14:01:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 14:01:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_out_queue [2022-11-21 14:01:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_out_queue [2022-11-21 14:01:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 14:01:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 14:01:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-11-21 14:01:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_thread_lock_of_hiddev_list [2022-11-21 14:01:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_parse [2022-11-21 14:01:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_parse [2022-11-21 14:01:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2022-11-21 14:01:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2022-11-21 14:01:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_wait_io [2022-11-21 14:01:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_wait_io [2022-11-21 14:01:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 14:01:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 14:01:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_put_power [2022-11-21 14:01:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_put_power [2022-11-21 14:01:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 14:01:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2022-11-21 14:01:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2022-11-21 14:01:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_poll [2022-11-21 14:01:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_poll [2022-11-21 14:01:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 14:01:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-21 14:01:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-21 14:01:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_check_autocenter [2022-11-21 14:01:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_check_autocenter [2022-11-21 14:01:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 14:01:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 14:01:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cease_io [2022-11-21 14:01:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cease_io [2022-11-21 14:01:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 14:01:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 14:01:12,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 14:01:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 14:01:12,747 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-21 14:01:12,747 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-21 14:01:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_hid_open_mut [2022-11-21 14:01:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_hid_open_mut [2022-11-21 14:01:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-21 14:01:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-21 14:01:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_wait [2022-11-21 14:01:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_wait [2022-11-21 14:01:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_special_keys [2022-11-21 14:01:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_special_keys [2022-11-21 14:01:12,748 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 14:01:12,748 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 14:01:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure hid_start_in [2022-11-21 14:01:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_start_in [2022-11-21 14:01:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-21 14:01:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-21 14:01:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 14:01:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 14:01:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 14:01:12,749 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 14:01:12,749 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_fasync [2022-11-21 14:01:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_fasync [2022-11-21 14:01:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-21 14:01:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-21 14:01:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure hid_io_error [2022-11-21 14:01:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_io_error [2022-11-21 14:01:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 14:01:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 14:01:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 14:01:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 14:01:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 14:01:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 14:01:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_request [2022-11-21 14:01:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_request [2022-11-21 14:01:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-21 14:01:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-21 14:01:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 14:01:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 14:01:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-11-21 14:01:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-11-21 14:01:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_existancelock_of_hiddev [2022-11-21 14:01:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-11-21 14:01:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-11-21 14:01:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure hid_cancel_delayed_stuff [2022-11-21 14:01:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_cancel_delayed_stuff [2022-11-21 14:01:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_hid_open_mut [2022-11-21 14:01:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_hid_open_mut [2022-11-21 14:01:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 14:01:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 14:01:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 14:01:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 14:01:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_no_suspend [2022-11-21 14:01:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_no_suspend [2022-11-21 14:01:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 14:01:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 14:01:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_lookup_report [2022-11-21 14:01:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_lookup_report [2022-11-21 14:01:12,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 14:01:12,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 14:01:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_no_resume [2022-11-21 14:01:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_no_resume [2022-11-21 14:01:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_output_report [2022-11-21 14:01:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_output_report [2022-11-21 14:01:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 14:01:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 14:01:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-21 14:01:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-21 14:01:12,868 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_disconnect [2022-11-21 14:01:12,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_disconnect [2022-11-21 14:01:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 14:01:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 14:01:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 14:01:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-21 14:01:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-21 14:01:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_submit_report [2022-11-21 14:01:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_submit_report [2022-11-21 14:01:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_mark_busy [2022-11-21 14:01:12,869 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_mark_busy [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure hid_set_idle [2022-11-21 14:01:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_set_idle [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure hid_destroy_device [2022-11-21 14:01:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_destroy_device [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-21 14:01:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_open [2022-11-21 14:01:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_open [2022-11-21 14:01:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-21 14:01:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_rescale [2022-11-21 14:01:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_rescale [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_set [2022-11-21 14:01:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_set [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure hid_reset_resume [2022-11-21 14:01:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_reset_resume [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-21 14:01:12,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-21 14:01:12,871 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 14:01:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 14:01:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 14:01:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 14:01:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 14:01:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 14:01:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_close [2022-11-21 14:01:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_close [2022-11-21 14:01:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-21 14:01:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-21 14:01:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure hid_alloc_report_buf [2022-11-21 14:01:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_alloc_report_buf [2022-11-21 14:01:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_reports [2022-11-21 14:01:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_reports [2022-11-21 14:01:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 14:01:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 14:01:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface_async [2022-11-21 14:01:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface_async [2022-11-21 14:01:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_find_fields [2022-11-21 14:01:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_find_fields [2022-11-21 14:01:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-21 14:01:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-21 14:01:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure hiddev_write [2022-11-21 14:01:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure hiddev_write [2022-11-21 14:01:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_quirks_exit [2022-11-21 14:01:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_quirks_exit [2022-11-21 14:01:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-21 14:01:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-21 14:01:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 14:01:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-21 14:01:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_queues [2022-11-21 14:01:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_queues [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-21 14:01:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 14:01:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 14:01:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure hid_device_io_stop [2022-11-21 14:01:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_device_io_stop [2022-11-21 14:01:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 14:01:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 14:01:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 14:01:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 14:01:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_restart_ctrl_queue [2022-11-21 14:01:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_restart_ctrl_queue [2022-11-21 14:01:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_start [2022-11-21 14:01:12,881 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_start [2022-11-21 14:01:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure pidff_reset [2022-11-21 14:01:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pidff_reset [2022-11-21 14:01:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-21 14:01:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-21 14:01:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 14:01:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 14:01:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 14:01:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 14:01:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2022-11-21 14:01:12,882 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2022-11-21 14:01:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 14:01:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 14:01:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-21 14:01:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-21 14:01:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 14:01:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 14:01:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_lookup_quirk [2022-11-21 14:01:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_lookup_quirk [2022-11-21 14:01:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure hid_post_reset [2022-11-21 14:01:12,883 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_post_reset [2022-11-21 14:01:12,883 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_raw_request [2022-11-21 14:01:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_raw_request [2022-11-21 14:01:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 14:01:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 14:01:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure usbhid_get_power [2022-11-21 14:01:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usbhid_get_power [2022-11-21 14:01:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 14:01:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure usb_string [2022-11-21 14:01:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_string [2022-11-21 14:01:12,884 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-21 14:01:12,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-21 14:01:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure hid_resume [2022-11-21 14:01:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_resume [2022-11-21 14:01:12,885 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_class_descriptor [2022-11-21 14:01:12,885 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_class_descriptor [2022-11-21 14:01:14,149 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 14:01:14,153 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 14:01:14,694 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 14:01:34,108 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:01:34,129 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:01:34,129 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 14:01:34,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:01:34 BoogieIcfgContainer [2022-11-21 14:01:34,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:01:34,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:01:34,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:01:34,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:01:34,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 02:01:07" (1/3) ... [2022-11-21 14:01:34,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c432b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:01:34, skipping insertion in model container [2022-11-21 14:01:34,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 02:01:11" (2/3) ... [2022-11-21 14:01:34,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c432b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:01:34, skipping insertion in model container [2022-11-21 14:01:34,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:01:34" (3/3) ... [2022-11-21 14:01:34,144 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--hid--usbhid--usbhid.ko-entry_point.cil.out.i [2022-11-21 14:01:34,164 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:01:34,164 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 14:01:34,286 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:01:34,297 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;@e1efc99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:01:34,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 14:01:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand has 2812 states, 1956 states have (on average 1.3757668711656441) internal successors, (2691), 2027 states have internal predecessors, (2691), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) [2022-11-21 14:01:34,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-21 14:01:34,350 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:34,352 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:01:34,353 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:01:34,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:34,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2147145584, now seen corresponding path program 1 times [2022-11-21 14:01:34,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:34,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869366569] [2022-11-21 14:01:34,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:34,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:34,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:01:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:01:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:01:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:01:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:01:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:01:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:01:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:01:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:01:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:01:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:36,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:01:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:01:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:01:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:01:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-21 14:01:36,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:36,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869366569] [2022-11-21 14:01:36,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869366569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:36,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:36,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 14:01:36,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988441104] [2022-11-21 14:01:36,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:36,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 14:01:36,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:36,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 14:01:36,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:01:36,192 INFO L87 Difference]: Start difference. First operand has 2812 states, 1956 states have (on average 1.3757668711656441) internal successors, (2691), 2027 states have internal predecessors, (2691), 702 states have call successors, (702), 153 states have call predecessors, (702), 152 states have return successors, (693), 688 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 14:01:54,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:01:56,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:01:57,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:01:57,931 INFO L93 Difference]: Finished difference Result 5944 states and 8902 transitions. [2022-11-21 14:01:57,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 14:01:57,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 209 [2022-11-21 14:01:57,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:01:57,988 INFO L225 Difference]: With dead ends: 5944 [2022-11-21 14:01:57,989 INFO L226 Difference]: Without dead ends: 3121 [2022-11-21 14:01:58,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:58,019 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 1806 mSDsluCounter, 4612 mSDsCounter, 0 mSdLazyCounter, 4075 mSolverCounterSat, 1723 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 7788 SdHoareTripleChecker+Invalid, 5800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1723 IncrementalHoareTripleChecker+Valid, 4075 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:01:58,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1880 Valid, 7788 Invalid, 5800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1723 Valid, 4075 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2022-11-21 14:01:58,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2022-11-21 14:01:58,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 2796. [2022-11-21 14:01:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1951 states have (on average 1.3695540748334187) internal successors, (2672), 2011 states have internal predecessors, (2672), 693 states have call successors, (693), 152 states have call predecessors, (693), 151 states have return successors, (681), 676 states have call predecessors, (681), 681 states have call successors, (681) [2022-11-21 14:01:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 4046 transitions. [2022-11-21 14:01:58,309 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 4046 transitions. Word has length 209 [2022-11-21 14:01:58,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:01:58,313 INFO L495 AbstractCegarLoop]: Abstraction has 2796 states and 4046 transitions. [2022-11-21 14:01:58,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-21 14:01:58,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 4046 transitions. [2022-11-21 14:01:58,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-11-21 14:01:58,330 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:01:58,331 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:01:58,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:01:58,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:01:58,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:01:58,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1545878424, now seen corresponding path program 1 times [2022-11-21 14:01:58,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:01:58,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081042084] [2022-11-21 14:01:58,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:01:58,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:01:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:58,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:01:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:01:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:01:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:01:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:01:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:01:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:01:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:01:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:01:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:01:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:01:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:01:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:01:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:01:59,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:01:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:01:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:01:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:01:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-21 14:01:59,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:01:59,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081042084] [2022-11-21 14:01:59,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081042084] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:01:59,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:01:59,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 14:01:59,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461166791] [2022-11-21 14:01:59,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:01:59,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 14:01:59,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:01:59,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 14:01:59,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 14:01:59,558 INFO L87 Difference]: Start difference. First operand 2796 states and 4046 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 14:02:15,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:17,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:02:17,844 INFO L93 Difference]: Finished difference Result 8724 states and 12841 transitions. [2022-11-21 14:02:17,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:02:17,846 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 209 [2022-11-21 14:02:17,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:02:17,886 INFO L225 Difference]: With dead ends: 8724 [2022-11-21 14:02:17,886 INFO L226 Difference]: Without dead ends: 5963 [2022-11-21 14:02:17,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:02:17,899 INFO L413 NwaCegarLoop]: 3827 mSDtfsCounter, 8750 mSDsluCounter, 4616 mSDsCounter, 0 mSdLazyCounter, 4536 mSolverCounterSat, 5309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9254 SdHoareTripleChecker+Valid, 8443 SdHoareTripleChecker+Invalid, 9845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5309 IncrementalHoareTripleChecker+Valid, 4536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:02:17,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9254 Valid, 8443 Invalid, 9845 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5309 Valid, 4536 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2022-11-21 14:02:17,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5963 states. [2022-11-21 14:02:18,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5963 to 5293. [2022-11-21 14:02:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.3661895760194438) internal successors, (5059), 3809 states have internal predecessors, (5059), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-11-21 14:02:18,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7633 transitions. [2022-11-21 14:02:18,173 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7633 transitions. Word has length 209 [2022-11-21 14:02:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:02:18,175 INFO L495 AbstractCegarLoop]: Abstraction has 5293 states and 7633 transitions. [2022-11-21 14:02:18,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 14:02:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7633 transitions. [2022-11-21 14:02:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-21 14:02:18,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:02:18,180 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:02:18,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:02:18,181 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:02:18,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:02:18,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2097633923, now seen corresponding path program 1 times [2022-11-21 14:02:18,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:02:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625835458] [2022-11-21 14:02:18,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:02:18,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:02:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:02:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:02:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:18,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:02:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:02:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:02:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:02:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:02:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:02:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:02:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:02:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:02:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:02:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:02:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:02:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:02:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-21 14:02:19,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:02:19,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625835458] [2022-11-21 14:02:19,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625835458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:02:19,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:02:19,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:02:19,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45727290] [2022-11-21 14:02:19,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:02:19,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:02:19,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:02:19,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:02:19,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:02:19,395 INFO L87 Difference]: Start difference. First operand 5293 states and 7633 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 14:02:25,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:39,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:02:40,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:02:40,815 INFO L93 Difference]: Finished difference Result 12706 states and 18891 transitions. [2022-11-21 14:02:40,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:02:40,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 215 [2022-11-21 14:02:40,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:02:40,878 INFO L225 Difference]: With dead ends: 12706 [2022-11-21 14:02:40,879 INFO L226 Difference]: Without dead ends: 7448 [2022-11-21 14:02:40,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:02:40,905 INFO L413 NwaCegarLoop]: 4049 mSDtfsCounter, 3727 mSDsluCounter, 10216 mSDsCounter, 0 mSdLazyCounter, 6657 mSolverCounterSat, 2257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4023 SdHoareTripleChecker+Valid, 14265 SdHoareTripleChecker+Invalid, 8914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2257 IncrementalHoareTripleChecker+Valid, 6657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:02:40,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4023 Valid, 14265 Invalid, 8914 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2257 Valid, 6657 Invalid, 0 Unknown, 0 Unchecked, 20.8s Time] [2022-11-21 14:02:40,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7448 states. [2022-11-21 14:02:41,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7448 to 5293. [2022-11-21 14:02:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5293 states, 3703 states have (on average 1.365649473399946) internal successors, (5057), 3807 states have internal predecessors, (5057), 1293 states have call successors, (1293), 297 states have call predecessors, (1293), 296 states have return successors, (1281), 1270 states have call predecessors, (1281), 1281 states have call successors, (1281) [2022-11-21 14:02:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 5293 states and 7631 transitions. [2022-11-21 14:02:41,258 INFO L78 Accepts]: Start accepts. Automaton has 5293 states and 7631 transitions. Word has length 215 [2022-11-21 14:02:41,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:02:41,259 INFO L495 AbstractCegarLoop]: Abstraction has 5293 states and 7631 transitions. [2022-11-21 14:02:41,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-21 14:02:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 5293 states and 7631 transitions. [2022-11-21 14:02:41,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-21 14:02:41,264 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:02:41,265 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:02:41,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:02:41,265 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:02:41,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:02:41,266 INFO L85 PathProgramCache]: Analyzing trace with hash -502301528, now seen corresponding path program 1 times [2022-11-21 14:02:41,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:02:41,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119891618] [2022-11-21 14:02:41,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:02:41,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:02:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:02:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:02:41,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:02:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:02:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:02:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:02:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:02:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:02:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:02:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:02:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:02:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:02:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:02:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:02:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:02:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:02:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-21 14:02:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:02:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:02:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:02:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-21 14:02:42,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:02:42,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119891618] [2022-11-21 14:02:42,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119891618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:02:42,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:02:42,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:02:42,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942607043] [2022-11-21 14:02:42,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:02:42,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:02:42,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:02:42,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:02:42,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:02:42,396 INFO L87 Difference]: Start difference. First operand 5293 states and 7631 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 14:03:06,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:09,869 INFO L93 Difference]: Finished difference Result 17455 states and 25813 transitions. [2022-11-21 14:03:09,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:03:09,871 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 223 [2022-11-21 14:03:09,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:09,947 INFO L225 Difference]: With dead ends: 17455 [2022-11-21 14:03:09,947 INFO L226 Difference]: Without dead ends: 12197 [2022-11-21 14:03:09,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:03:09,971 INFO L413 NwaCegarLoop]: 3837 mSDtfsCounter, 8596 mSDsluCounter, 7915 mSDsCounter, 0 mSdLazyCounter, 8572 mSolverCounterSat, 5543 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9232 SdHoareTripleChecker+Valid, 11752 SdHoareTripleChecker+Invalid, 14115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5543 IncrementalHoareTripleChecker+Valid, 8572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:09,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9232 Valid, 11752 Invalid, 14115 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5543 Valid, 8572 Invalid, 0 Unknown, 0 Unchecked, 26.5s Time] [2022-11-21 14:03:09,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12197 states. [2022-11-21 14:03:10,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12197 to 10429. [2022-11-21 14:03:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10429 states, 7298 states have (on average 1.3655796108522884) internal successors, (9966), 7491 states have internal predecessors, (9966), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-11-21 14:03:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 15030 transitions. [2022-11-21 14:03:10,610 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 15030 transitions. Word has length 223 [2022-11-21 14:03:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:10,611 INFO L495 AbstractCegarLoop]: Abstraction has 10429 states and 15030 transitions. [2022-11-21 14:03:10,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-21 14:03:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 15030 transitions. [2022-11-21 14:03:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-21 14:03:10,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:10,618 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:10,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 14:03:10,618 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:10,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:10,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1174296152, now seen corresponding path program 1 times [2022-11-21 14:03:10,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:10,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799424168] [2022-11-21 14:03:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:03:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:03:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:03:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:03:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:03:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:03:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:03:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:03:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:03:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:03:11,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:03:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:03:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:03:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:03:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:11,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:03:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:11,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799424168] [2022-11-21 14:03:11,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799424168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:11,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:11,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:03:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324734696] [2022-11-21 14:03:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:11,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:03:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:11,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:03:11,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:11,690 INFO L87 Difference]: Start difference. First operand 10429 states and 15030 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-21 14:03:31,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:33,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:35,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:03:35,691 INFO L93 Difference]: Finished difference Result 23194 states and 34144 transitions. [2022-11-21 14:03:35,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 14:03:35,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 234 [2022-11-21 14:03:35,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:03:35,763 INFO L225 Difference]: With dead ends: 23194 [2022-11-21 14:03:35,763 INFO L226 Difference]: Without dead ends: 12800 [2022-11-21 14:03:35,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:03:35,809 INFO L413 NwaCegarLoop]: 3725 mSDtfsCounter, 6335 mSDsluCounter, 8615 mSDsCounter, 0 mSdLazyCounter, 6519 mSolverCounterSat, 2743 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6812 SdHoareTripleChecker+Valid, 12340 SdHoareTripleChecker+Invalid, 9264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2743 IncrementalHoareTripleChecker+Valid, 6519 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-21 14:03:35,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6812 Valid, 12340 Invalid, 9264 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2743 Valid, 6519 Invalid, 2 Unknown, 0 Unchecked, 23.1s Time] [2022-11-21 14:03:35,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12800 states. [2022-11-21 14:03:36,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12800 to 10433. [2022-11-21 14:03:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10433 states, 7302 states have (on average 1.365242399342646) internal successors, (9969), 7495 states have internal predecessors, (9969), 2538 states have call successors, (2538), 593 states have call predecessors, (2538), 592 states have return successors, (2526), 2506 states have call predecessors, (2526), 2526 states have call successors, (2526) [2022-11-21 14:03:36,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10433 states to 10433 states and 15033 transitions. [2022-11-21 14:03:36,642 INFO L78 Accepts]: Start accepts. Automaton has 10433 states and 15033 transitions. Word has length 234 [2022-11-21 14:03:36,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:03:36,643 INFO L495 AbstractCegarLoop]: Abstraction has 10433 states and 15033 transitions. [2022-11-21 14:03:36,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-21 14:03:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 10433 states and 15033 transitions. [2022-11-21 14:03:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-21 14:03:36,651 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:36,652 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:03:36,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 14:03:36,652 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:36,653 INFO L85 PathProgramCache]: Analyzing trace with hash -453283673, now seen corresponding path program 1 times [2022-11-21 14:03:36,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:36,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060139903] [2022-11-21 14:03:36,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:36,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:03:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:03:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:03:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:03:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:03:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:03:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:03:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:03:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:03:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:03:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:03:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:03:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:03:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:03:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:03:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:03:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:03:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:03:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:03:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:37,666 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:03:37,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:37,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060139903] [2022-11-21 14:03:37,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060139903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:37,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:37,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:03:37,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077919551] [2022-11-21 14:03:37,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:37,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:03:37,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:37,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:03:37,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:03:37,669 INFO L87 Difference]: Start difference. First operand 10433 states and 15033 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:03:56,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:57,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:59,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:06,923 INFO L93 Difference]: Finished difference Result 19639 states and 29026 transitions. [2022-11-21 14:04:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:04:06,931 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 250 [2022-11-21 14:04:06,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:07,055 INFO L225 Difference]: With dead ends: 19639 [2022-11-21 14:04:07,055 INFO L226 Difference]: Without dead ends: 19635 [2022-11-21 14:04:07,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:04:07,072 INFO L413 NwaCegarLoop]: 3240 mSDtfsCounter, 6647 mSDsluCounter, 7646 mSDsCounter, 0 mSdLazyCounter, 8236 mSolverCounterSat, 3483 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7234 SdHoareTripleChecker+Valid, 10886 SdHoareTripleChecker+Invalid, 11720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3483 IncrementalHoareTripleChecker+Valid, 8236 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:07,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7234 Valid, 10886 Invalid, 11720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3483 Valid, 8236 Invalid, 1 Unknown, 0 Unchecked, 28.0s Time] [2022-11-21 14:04:07,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19635 states. [2022-11-21 14:04:08,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19635 to 16395. [2022-11-21 14:04:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16395 states, 11406 states have (on average 1.3501665789935122) internal successors, (15400), 11723 states have internal predecessors, (15400), 3954 states have call successors, (3954), 1035 states have call predecessors, (3954), 1034 states have return successors, (3944), 3920 states have call predecessors, (3944), 3944 states have call successors, (3944) [2022-11-21 14:04:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16395 states to 16395 states and 23298 transitions. [2022-11-21 14:04:08,108 INFO L78 Accepts]: Start accepts. Automaton has 16395 states and 23298 transitions. Word has length 250 [2022-11-21 14:04:08,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:08,109 INFO L495 AbstractCegarLoop]: Abstraction has 16395 states and 23298 transitions. [2022-11-21 14:04:08,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:04:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 16395 states and 23298 transitions. [2022-11-21 14:04:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-21 14:04:08,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:08,116 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:08,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 14:04:08,117 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:08,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1168056124, now seen corresponding path program 1 times [2022-11-21 14:04:08,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:08,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15461401] [2022-11-21 14:04:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:08,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:04:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:08,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:04:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:04:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:04:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:04:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:04:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:04:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:04:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:04:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:04:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:04:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:04:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:04:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:04:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:04:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:04:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:04:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:04:09,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:09,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15461401] [2022-11-21 14:04:09,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15461401] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:09,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:09,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:04:09,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606350628] [2022-11-21 14:04:09,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:09,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:04:09,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:09,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:04:09,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:04:09,141 INFO L87 Difference]: Start difference. First operand 16395 states and 23298 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:04:25,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:26,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:26,815 INFO L93 Difference]: Finished difference Result 21107 states and 30921 transitions. [2022-11-21 14:04:26,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 14:04:26,816 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 251 [2022-11-21 14:04:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:26,936 INFO L225 Difference]: With dead ends: 21107 [2022-11-21 14:04:26,936 INFO L226 Difference]: Without dead ends: 21103 [2022-11-21 14:04:26,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:04:26,956 INFO L413 NwaCegarLoop]: 3013 mSDtfsCounter, 6728 mSDsluCounter, 4545 mSDsCounter, 0 mSdLazyCounter, 4524 mSolverCounterSat, 3517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7214 SdHoareTripleChecker+Valid, 7558 SdHoareTripleChecker+Invalid, 8041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3517 IncrementalHoareTripleChecker+Valid, 4524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:26,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7214 Valid, 7558 Invalid, 8041 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3517 Valid, 4524 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-11-21 14:04:26,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21103 states. [2022-11-21 14:04:28,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21103 to 17601. [2022-11-21 14:04:28,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17601 states, 12262 states have (on average 1.3471701190670364) internal successors, (16519), 12601 states have internal predecessors, (16519), 4132 states have call successors, (4132), 1207 states have call predecessors, (4132), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-21 14:04:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17601 states to 17601 states and 24775 transitions. [2022-11-21 14:04:28,266 INFO L78 Accepts]: Start accepts. Automaton has 17601 states and 24775 transitions. Word has length 251 [2022-11-21 14:04:28,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:28,267 INFO L495 AbstractCegarLoop]: Abstraction has 17601 states and 24775 transitions. [2022-11-21 14:04:28,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:04:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 17601 states and 24775 transitions. [2022-11-21 14:04:28,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-21 14:04:28,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:28,274 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:28,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 14:04:28,275 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:28,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:28,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1851160758, now seen corresponding path program 1 times [2022-11-21 14:04:28,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:28,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700151669] [2022-11-21 14:04:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:28,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:04:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:04:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:04:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:04:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:04:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:04:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:04:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:28,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:04:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:04:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:04:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:04:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:04:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:04:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:04:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:04:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:04:29,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:04:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:04:29,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:29,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700151669] [2022-11-21 14:04:29,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700151669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:29,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:29,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:04:29,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114204564] [2022-11-21 14:04:29,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:29,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:04:29,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:29,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:04:29,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:04:29,396 INFO L87 Difference]: Start difference. First operand 17601 states and 24775 transitions. Second operand has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:04:49,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:52,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:53,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:53,495 INFO L93 Difference]: Finished difference Result 21103 states and 30909 transitions. [2022-11-21 14:04:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:04:53,496 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 252 [2022-11-21 14:04:53,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:53,607 INFO L225 Difference]: With dead ends: 21103 [2022-11-21 14:04:53,607 INFO L226 Difference]: Without dead ends: 21100 [2022-11-21 14:04:53,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 14:04:53,620 INFO L413 NwaCegarLoop]: 3007 mSDtfsCounter, 5641 mSDsluCounter, 6078 mSDsCounter, 0 mSdLazyCounter, 5503 mSolverCounterSat, 2533 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6132 SdHoareTripleChecker+Valid, 9085 SdHoareTripleChecker+Invalid, 8037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2533 IncrementalHoareTripleChecker+Valid, 5503 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:53,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6132 Valid, 9085 Invalid, 8037 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2533 Valid, 5503 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2022-11-21 14:04:53,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21100 states. [2022-11-21 14:04:54,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21100 to 17600. [2022-11-21 14:04:54,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17600 states, 12262 states have (on average 1.3470885663023977) internal successors, (16518), 12600 states have internal predecessors, (16518), 4131 states have call successors, (4131), 1207 states have call predecessors, (4131), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-21 14:04:54,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17600 states to 17600 states and 24773 transitions. [2022-11-21 14:04:54,939 INFO L78 Accepts]: Start accepts. Automaton has 17600 states and 24773 transitions. Word has length 252 [2022-11-21 14:04:54,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:54,941 INFO L495 AbstractCegarLoop]: Abstraction has 17600 states and 24773 transitions. [2022-11-21 14:04:54,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.714285714285714) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:04:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 17600 states and 24773 transitions. [2022-11-21 14:04:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-21 14:04:54,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:54,948 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:04:54,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 14:04:54,948 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:54,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1552563065, now seen corresponding path program 1 times [2022-11-21 14:04:54,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:54,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673067489] [2022-11-21 14:04:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:04:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:04:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:04:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:04:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:04:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:04:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:04:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:04:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:04:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:04:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:04:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:04:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:04:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:04:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:04:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:04:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:04:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:04:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:04:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:04:55,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:55,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673067489] [2022-11-21 14:04:55,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673067489] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:55,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:55,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:04:55,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179733660] [2022-11-21 14:04:55,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:55,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:04:55,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:55,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:04:55,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:04:55,898 INFO L87 Difference]: Start difference. First operand 17600 states and 24773 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:05:16,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:18,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:19,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:20,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:05:20,763 INFO L93 Difference]: Finished difference Result 21102 states and 30907 transitions. [2022-11-21 14:05:20,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:05:20,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 253 [2022-11-21 14:05:20,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:05:20,862 INFO L225 Difference]: With dead ends: 21102 [2022-11-21 14:05:20,862 INFO L226 Difference]: Without dead ends: 21099 [2022-11-21 14:05:20,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 14:05:20,880 INFO L413 NwaCegarLoop]: 3007 mSDtfsCounter, 5608 mSDsluCounter, 6091 mSDsCounter, 0 mSdLazyCounter, 5538 mSolverCounterSat, 2522 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6095 SdHoareTripleChecker+Valid, 9098 SdHoareTripleChecker+Invalid, 8060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2522 IncrementalHoareTripleChecker+Valid, 5538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:05:20,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6095 Valid, 9098 Invalid, 8060 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2522 Valid, 5538 Invalid, 0 Unknown, 0 Unchecked, 23.4s Time] [2022-11-21 14:05:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21099 states. [2022-11-21 14:05:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21099 to 17599. [2022-11-21 14:05:22,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17599 states, 12262 states have (on average 1.347007013537759) internal successors, (16517), 12599 states have internal predecessors, (16517), 4130 states have call successors, (4130), 1207 states have call predecessors, (4130), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-21 14:05:22,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17599 states to 17599 states and 24771 transitions. [2022-11-21 14:05:22,334 INFO L78 Accepts]: Start accepts. Automaton has 17599 states and 24771 transitions. Word has length 253 [2022-11-21 14:05:22,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:05:22,334 INFO L495 AbstractCegarLoop]: Abstraction has 17599 states and 24771 transitions. [2022-11-21 14:05:22,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:05:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 17599 states and 24771 transitions. [2022-11-21 14:05:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-21 14:05:22,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:05:22,341 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:05:22,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 14:05:22,342 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:05:22,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:05:22,342 INFO L85 PathProgramCache]: Analyzing trace with hash -885964307, now seen corresponding path program 1 times [2022-11-21 14:05:22,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:05:22,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316532585] [2022-11-21 14:05:22,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:05:22,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:05:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:05:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:05:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:05:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:05:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:05:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:05:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:05:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:05:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:05:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:05:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:05:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:05:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:05:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:05:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:05:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:05:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:05:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:05:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:23,384 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:05:23,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:05:23,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316532585] [2022-11-21 14:05:23,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316532585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:05:23,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:05:23,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:05:23,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301662562] [2022-11-21 14:05:23,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:05:23,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:05:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:05:23,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:05:23,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:05:23,387 INFO L87 Difference]: Start difference. First operand 17599 states and 24771 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:05:45,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:47,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:48,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:05:48,613 INFO L93 Difference]: Finished difference Result 21101 states and 30905 transitions. [2022-11-21 14:05:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 14:05:48,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 254 [2022-11-21 14:05:48,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:05:48,697 INFO L225 Difference]: With dead ends: 21101 [2022-11-21 14:05:48,697 INFO L226 Difference]: Without dead ends: 21098 [2022-11-21 14:05:48,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-21 14:05:48,712 INFO L413 NwaCegarLoop]: 3001 mSDtfsCounter, 5632 mSDsluCounter, 6076 mSDsCounter, 0 mSdLazyCounter, 5504 mSolverCounterSat, 2520 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6125 SdHoareTripleChecker+Valid, 9077 SdHoareTripleChecker+Invalid, 8025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2520 IncrementalHoareTripleChecker+Valid, 5504 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:05:48,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6125 Valid, 9077 Invalid, 8025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2520 Valid, 5504 Invalid, 1 Unknown, 0 Unchecked, 23.6s Time] [2022-11-21 14:05:48,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21098 states. [2022-11-21 14:05:49,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21098 to 17598. [2022-11-21 14:05:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17598 states, 12262 states have (on average 1.3469254607731203) internal successors, (16516), 12598 states have internal predecessors, (16516), 4129 states have call successors, (4129), 1207 states have call predecessors, (4129), 1206 states have return successors, (4124), 4092 states have call predecessors, (4124), 4124 states have call successors, (4124) [2022-11-21 14:05:49,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17598 states to 17598 states and 24769 transitions. [2022-11-21 14:05:49,962 INFO L78 Accepts]: Start accepts. Automaton has 17598 states and 24769 transitions. Word has length 254 [2022-11-21 14:05:49,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:05:49,963 INFO L495 AbstractCegarLoop]: Abstraction has 17598 states and 24769 transitions. [2022-11-21 14:05:49,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:05:49,963 INFO L276 IsEmpty]: Start isEmpty. Operand 17598 states and 24769 transitions. [2022-11-21 14:05:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-21 14:05:49,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:05:49,971 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:05:49,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 14:05:49,971 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:05:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:05:49,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1696234422, now seen corresponding path program 1 times [2022-11-21 14:05:49,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:05:49,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596608693] [2022-11-21 14:05:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:05:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:05:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:05:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:05:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:05:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:05:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:05:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:05:50,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:05:50,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:05:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:05:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:05:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:05:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:05:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:05:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:05:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:05:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:05:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:05:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-21 14:05:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:05:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 14:05:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:05:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2022-11-21 14:05:50,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:05:50,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596608693] [2022-11-21 14:05:50,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596608693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:05:50,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:05:50,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:05:50,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681814190] [2022-11-21 14:05:50,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:05:50,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:05:50,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:05:50,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:05:50,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:05:50,969 INFO L87 Difference]: Start difference. First operand 17598 states and 24769 transitions. Second operand has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:06:05,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:16,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:17,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:06:17,074 INFO L93 Difference]: Finished difference Result 59630 states and 86352 transitions. [2022-11-21 14:06:17,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 14:06:17,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 255 [2022-11-21 14:06:17,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:06:17,518 INFO L225 Difference]: With dead ends: 59630 [2022-11-21 14:06:17,518 INFO L226 Difference]: Without dead ends: 42005 [2022-11-21 14:06:17,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 14:06:17,599 INFO L413 NwaCegarLoop]: 3578 mSDtfsCounter, 9860 mSDsluCounter, 6330 mSDsCounter, 0 mSdLazyCounter, 6387 mSolverCounterSat, 6133 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10492 SdHoareTripleChecker+Valid, 9908 SdHoareTripleChecker+Invalid, 12522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6133 IncrementalHoareTripleChecker+Valid, 6387 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:06:17,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10492 Valid, 9908 Invalid, 12522 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6133 Valid, 6387 Invalid, 2 Unknown, 0 Unchecked, 22.4s Time] [2022-11-21 14:06:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42005 states. [2022-11-21 14:06:20,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42005 to 34993. [2022-11-21 14:06:20,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34993 states, 24413 states have (on average 1.3477655347560726) internal successors, (32903), 25080 states have internal predecessors, (32903), 8181 states have call successors, (8181), 2400 states have call predecessors, (8181), 2398 states have return successors, (8183), 8112 states have call predecessors, (8183), 8171 states have call successors, (8183) [2022-11-21 14:06:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34993 states to 34993 states and 49267 transitions. [2022-11-21 14:06:20,371 INFO L78 Accepts]: Start accepts. Automaton has 34993 states and 49267 transitions. Word has length 255 [2022-11-21 14:06:20,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:06:20,372 INFO L495 AbstractCegarLoop]: Abstraction has 34993 states and 49267 transitions. [2022-11-21 14:06:20,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (23), 6 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-21 14:06:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 34993 states and 49267 transitions. [2022-11-21 14:06:20,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-21 14:06:20,378 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:06:20,378 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:06:20,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 14:06:20,379 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:06:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:06:20,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1799873926, now seen corresponding path program 1 times [2022-11-21 14:06:20,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:06:20,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868568572] [2022-11-21 14:06:20,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:06:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:06:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:06:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:06:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:06:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:06:20,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:06:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:06:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:06:21,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:06:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:06:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:06:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:06:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:06:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:06:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:06:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:06:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 14:06:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-21 14:06:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-11-21 14:06:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:06:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 14:06:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:06:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 14:06:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 14:06:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2022-11-21 14:06:21,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:06:21,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868568572] [2022-11-21 14:06:21,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868568572] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:06:21,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:06:21,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 14:06:21,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801177233] [2022-11-21 14:06:21,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:06:21,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 14:06:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:06:21,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 14:06:21,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 14:06:21,752 INFO L87 Difference]: Start difference. First operand 34993 states and 49267 transitions. Second operand has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 14:07:06,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:07:06,203 INFO L93 Difference]: Finished difference Result 112732 states and 163597 transitions. [2022-11-21 14:07:06,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 14:07:06,203 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 274 [2022-11-21 14:07:06,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:07:06,502 INFO L225 Difference]: With dead ends: 112732 [2022-11-21 14:07:06,503 INFO L226 Difference]: Without dead ends: 77774 [2022-11-21 14:07:06,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2022-11-21 14:07:06,600 INFO L413 NwaCegarLoop]: 3089 mSDtfsCounter, 11275 mSDsluCounter, 6408 mSDsCounter, 0 mSdLazyCounter, 11392 mSolverCounterSat, 7737 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11864 SdHoareTripleChecker+Valid, 9497 SdHoareTripleChecker+Invalid, 19129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7737 IncrementalHoareTripleChecker+Valid, 11392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2022-11-21 14:07:06,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11864 Valid, 9497 Invalid, 19129 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7737 Valid, 11392 Invalid, 0 Unknown, 0 Unchecked, 34.0s Time] [2022-11-21 14:07:06,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77774 states. [2022-11-21 14:07:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77774 to 60553. [2022-11-21 14:07:15,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60553 states, 42401 states have (on average 1.3480106601259405) internal successors, (57157), 43504 states have internal predecessors, (57157), 13839 states have call successors, (13839), 4314 states have call predecessors, (13839), 4312 states have return successors, (13853), 13714 states have call predecessors, (13853), 13829 states have call successors, (13853) [2022-11-21 14:07:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60553 states to 60553 states and 84849 transitions. [2022-11-21 14:07:16,217 INFO L78 Accepts]: Start accepts. Automaton has 60553 states and 84849 transitions. Word has length 274 [2022-11-21 14:07:16,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:07:16,218 INFO L495 AbstractCegarLoop]: Abstraction has 60553 states and 84849 transitions. [2022-11-21 14:07:16,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.333333333333334) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (32), 8 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-21 14:07:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 60553 states and 84849 transitions. [2022-11-21 14:07:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-11-21 14:07:16,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:07:16,233 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 14:07:16,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 14:07:16,234 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:07:16,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:07:16,234 INFO L85 PathProgramCache]: Analyzing trace with hash 523894200, now seen corresponding path program 1 times [2022-11-21 14:07:16,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:07:16,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554947008] [2022-11-21 14:07:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:07:16,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:07:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:07:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:07:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 14:07:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 14:07:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-21 14:07:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 14:07:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 14:07:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-21 14:07:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 14:07:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 14:07:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 14:07:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-21 14:07:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-21 14:07:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 14:07:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 14:07:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-21 14:07:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 14:07:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 14:07:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 14:07:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 14:07:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 14:07:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 14:07:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 14:07:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:07:17,718 INFO L134 CoverageAnalysis]: Checked inductivity of 891 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2022-11-21 14:07:17,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:07:17,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554947008] [2022-11-21 14:07:17,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554947008] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:07:17,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:07:17,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 14:07:17,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989665057] [2022-11-21 14:07:17,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:07:17,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 14:07:17,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:07:17,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 14:07:17,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 14:07:17,720 INFO L87 Difference]: Start difference. First operand 60553 states and 84849 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-21 14:08:00,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:03,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:09,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:11,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:23,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:08:23,073 INFO L93 Difference]: Finished difference Result 169842 states and 243727 transitions. [2022-11-21 14:08:23,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 14:08:23,074 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (27), 6 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 313 [2022-11-21 14:08:23,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:08:23,806 INFO L225 Difference]: With dead ends: 169842 [2022-11-21 14:08:23,806 INFO L226 Difference]: Without dead ends: 109324 [2022-11-21 14:08:23,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-11-21 14:08:23,968 INFO L413 NwaCegarLoop]: 3835 mSDtfsCounter, 7917 mSDsluCounter, 9024 mSDsCounter, 0 mSdLazyCounter, 15136 mSolverCounterSat, 5156 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8479 SdHoareTripleChecker+Valid, 12859 SdHoareTripleChecker+Invalid, 20295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5156 IncrementalHoareTripleChecker+Valid, 15136 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2022-11-21 14:08:23,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8479 Valid, 12859 Invalid, 20295 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5156 Valid, 15136 Invalid, 3 Unknown, 0 Unchecked, 49.9s Time] [2022-11-21 14:08:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109324 states.