./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c --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_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6fd4f4ba0770bdbee82e5adc1763df0a99abdc49a55f21398157cc8fe17ba277 --- 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 22:49:50,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:49:50,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:49:50,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:49:50,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:49:50,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:49:50,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:49:50,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:49:50,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:49:50,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:49:50,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:49:50,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:49:50,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:49:50,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:49:50,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:49:50,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:49:50,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:49:50,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:49:50,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:49:50,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:49:50,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:49:50,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:49:50,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:49:50,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:49:50,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:49:50,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:49:50,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:49:50,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:49:50,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:49:50,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:49:50,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:49:50,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:49:50,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:49:50,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:49:50,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:49:50,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:49:50,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:49:50,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:49:50,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:49:50,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:49:50,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:49:50,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 22:49:50,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:49:50,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:49:50,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:49:50,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:49:50,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:49:50,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:49:50,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:49:50,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:49:50,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:49:50,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:49:50,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:49:50,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:49:50,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:49:50,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:49:50,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:49:50,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:49:50,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:49:50,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:49:50,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:49:50,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:49:50,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:49:50,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:49:50,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:49:50,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:49:50,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:49:50,795 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_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6fd4f4ba0770bdbee82e5adc1763df0a99abdc49a55f21398157cc8fe17ba277 [2022-11-21 22:49:51,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:49:51,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:49:51,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:49:51,160 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:49:51,161 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:49:51,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c [2022-11-21 22:49:54,299 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:49:54,825 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:49:54,826 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c [2022-11-21 22:49:54,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/data/43c7ee251/e826d2678f7f473081dc7fbbc0efd505/FLAGd1796e0a5 [2022-11-21 22:49:54,868 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/data/43c7ee251/e826d2678f7f473081dc7fbbc0efd505 [2022-11-21 22:49:54,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:49:54,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:49:54,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:49:54,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:49:54,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:49:54,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:49:54" (1/1) ... [2022-11-21 22:49:54,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fff5f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:54, skipping insertion in model container [2022-11-21 22:49:54,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:49:54" (1/1) ... [2022-11-21 22:49:54,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:49:54,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:49:55,167 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_c75d7507-3827-4ccc-93fe-4796dbf2b863/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c[1116,1129] [2022-11-21 22:49:55,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:49:55,653 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:49:55,671 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_c75d7507-3827-4ccc-93fe-4796dbf2b863/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w16_d64_e0.c[1116,1129] [2022-11-21 22:49:55,906 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:49:55,936 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:49:55,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55 WrapperNode [2022-11-21 22:49:55,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:49:55,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:49:55,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:49:55,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:49:55,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,174 INFO L138 Inliner]: procedures = 11, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2462 [2022-11-21 22:49:56,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:49:56,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:49:56,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:49:56,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:49:56,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:49:56,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:49:56,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:49:56,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:49:56,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:49:55" (1/1) ... [2022-11-21 22:49:56,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:49:56,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:49:56,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:49:56,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c75d7507-3827-4ccc-93fe-4796dbf2b863/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:49:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:49:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:49:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:49:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:49:57,102 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:49:57,104 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:51:29,675 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:51:29,818 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:51:29,833 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 22:51:29,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:51:29 BoogieIcfgContainer [2022-11-21 22:51:29,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:51:29,837 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:51:29,837 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:51:29,861 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:51:29,861 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:51:29" (1/1) ... [2022-11-21 22:51:29,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:51:29,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:51:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-21 22:51:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-21 22:51:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:51:29,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:51:29,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:51:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:51:47,985 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 22:51:58,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 22:52:07,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.78s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 22:52:08,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 22:52:12,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 22:52:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:52:13,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-21 22:52:13,954 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-21 22:52:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-21 22:52:13,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:52:13,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:01:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:01:56,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.