./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH --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 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 06:26:22,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:26:22,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:26:22,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:26:22,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:26:22,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:26:22,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:26:22,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:26:22,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:26:22,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:26:22,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:26:22,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:26:22,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:26:22,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:26:22,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:26:22,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:26:22,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:26:22,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:26:22,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:26:22,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:26:22,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:26:22,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:26:22,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:26:22,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:26:22,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:26:22,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:26:22,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:26:22,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:26:22,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:26:22,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:26:22,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:26:22,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:26:22,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:26:22,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:26:22,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:26:22,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:26:22,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:26:22,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:26:22,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:26:22,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:26:22,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:26:22,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 06:26:22,749 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:26:22,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:26:22,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:26:22,750 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 06:26:22,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:26:22,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:26:22,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:26:22,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:26:22,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:26:22,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:26:22,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:26:22,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:26:22,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:26:22,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:26:22,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:26:22,753 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:26:22,753 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:26:22,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:26:22,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:26:22,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:26:22,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:26:22,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:26:22,754 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 06:26:22,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:26:22,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:26:22,755 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_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c [2022-11-16 06:26:23,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:26:23,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:26:23,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:26:23,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:26:23,104 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:26:23,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-11-16 06:26:23,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/56f45d2fb/3cf831a3c83443caa9eeba8d4a74b518/FLAG5d9cd02bc [2022-11-16 06:26:23,952 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:26:23,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-11-16 06:26:23,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/56f45d2fb/3cf831a3c83443caa9eeba8d4a74b518/FLAG5d9cd02bc [2022-11-16 06:26:24,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/56f45d2fb/3cf831a3c83443caa9eeba8d4a74b518 [2022-11-16 06:26:24,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:26:24,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:26:24,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:26:24,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:26:24,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:26:24,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:24" (1/1) ... [2022-11-16 06:26:24,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e072c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:24, skipping insertion in model container [2022-11-16 06:26:24,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:26:24" (1/1) ... [2022-11-16 06:26:24,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:26:24,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:26:24,467 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-11-16 06:26:24,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:26:24,903 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:26:24,914 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-11-16 06:26:25,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:26:25,086 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:26:25,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25 WrapperNode [2022-11-16 06:26:25,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:26:25,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:26:25,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:26:25,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:26:25,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,418 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4116 [2022-11-16 06:26:25,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:26:25,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:26:25,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:26:25,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:26:25,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,686 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:26:25,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:26:25,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:26:25,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:26:25,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:26:25" (1/1) ... [2022-11-16 06:26:25,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:26:25,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:26:25,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:26:25,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:26:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:26:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:26:26,423 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:26:26,425 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:26:30,467 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:26:42,274 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:26:42,274 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 06:26:42,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:26:42 BoogieIcfgContainer [2022-11-16 06:26:42,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:26:42,279 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:26:42,279 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:26:42,292 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:26:42,293 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:26:42" (1/1) ... [2022-11-16 06:26:42,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:26:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:26:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 06:26:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 06:26:42,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:26:42,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:26:42,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:26:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:26:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:26:57,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 06:27:07,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 06:27:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 06:27:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 06:27:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 06:27:09,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:09,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 06:31:05,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 06:35:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 06:35:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 06:35:13,124 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 06:35:13,131 INFO L158 Benchmark]: Toolchain (without parser) took 529014.44ms. Allocated memory was 169.9MB in the beginning and 4.9GB in the end (delta: 4.8GB). Free memory was 133.7MB in the beginning and 3.7GB in the end (delta: -3.5GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-11-16 06:35:13,131 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 06:35:13,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 969.41ms. Allocated memory is still 169.9MB. Free memory was 133.7MB in the beginning and 80.1MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-16 06:35:13,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 331.89ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 121.5MB in the end (delta: -41.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-16 06:35:13,133 INFO L158 Benchmark]: Boogie Preprocessor took 322.68ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 108.8MB in the end (delta: 12.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-16 06:35:13,134 INFO L158 Benchmark]: RCFGBuilder took 16533.67ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 108.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 677.8MB. Max. memory is 16.1GB. [2022-11-16 06:35:13,135 INFO L158 Benchmark]: CodeCheck took 510851.08ms. Allocated memory was 2.5GB in the beginning and 4.9GB in the end (delta: 2.5GB). Free memory was 2.0GB in the beginning and 3.7GB in the end (delta: -1.7GB). Peak memory consumption was 810.7MB. Max. memory is 16.1GB. [2022-11-16 06:35:13,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 47.7MB in the beginning and 47.7MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 969.41ms. Allocated memory is still 169.9MB. Free memory was 133.7MB in the beginning and 80.1MB in the end (delta: 53.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 331.89ms. Allocated memory is still 169.9MB. Free memory was 80.1MB in the beginning and 121.5MB in the end (delta: -41.4MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 322.68ms. Allocated memory is still 169.9MB. Free memory was 121.5MB in the beginning and 108.8MB in the end (delta: 12.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * RCFGBuilder took 16533.67ms. Allocated memory was 169.9MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 108.8MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 677.8MB. Max. memory is 16.1GB. * CodeCheck took 510851.08ms. Allocated memory was 2.5GB in the beginning and 4.9GB in the end (delta: 2.5GB). Free memory was 2.0GB in the beginning and 3.7GB in the end (delta: -1.7GB). Peak memory consumption was 810.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 06:35:13,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH --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 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 06:35:15,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:35:15,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:35:15,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:35:15,725 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:35:15,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:35:15,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:35:15,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:35:15,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:35:15,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:35:15,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:35:15,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:35:15,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:35:15,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:35:15,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:35:15,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:35:15,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:35:15,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:35:15,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:35:15,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:35:15,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:35:15,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:35:15,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:35:15,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:35:15,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:35:15,790 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:35:15,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:35:15,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:35:15,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:35:15,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:35:15,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:35:15,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:35:15,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:35:15,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:35:15,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:35:15,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:35:15,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:35:15,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:35:15,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:35:15,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:35:15,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:35:15,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 06:35:15,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:35:15,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:35:15,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 06:35:15,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 06:35:15,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:35:15,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:35:15,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:35:15,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:35:15,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 06:35:15,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:35:15,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 06:35:15,869 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 06:35:15,870 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 06:35:15,870 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 06:35:15,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 06:35:15,870 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:35:15,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 06:35:15,871 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:35:15,871 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:35:15,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:35:15,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:35:15,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:35:15,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:35:15,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 06:35:15,873 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 06:35:15,873 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 06:35:15,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 06:35:15,874 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 06:35:15,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 06:35:15,875 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ea2db0fde0beb6f094242cef4ff39f2bbb31f67fc001b67f1c0e4d3803d8f1c [2022-11-16 06:35:16,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:35:16,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:35:16,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:35:16,295 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:35:16,296 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:35:16,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-11-16 06:35:16,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/b21c079b5/0691985a84354a05833169c5922f2d83/FLAG36ccdf0e6 [2022-11-16 06:35:17,088 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:35:17,088 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c [2022-11-16 06:35:17,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/b21c079b5/0691985a84354a05833169c5922f2d83/FLAG36ccdf0e6 [2022-11-16 06:35:17,253 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/data/b21c079b5/0691985a84354a05833169c5922f2d83 [2022-11-16 06:35:17,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:35:17,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:35:17,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:35:17,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:35:17,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:35:17,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:35:17" (1/1) ... [2022-11-16 06:35:17,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be6436a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:17, skipping insertion in model container [2022-11-16 06:35:17,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:35:17" (1/1) ... [2022-11-16 06:35:17,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:35:17,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:35:17,588 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-11-16 06:35:18,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:35:18,122 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:35:18,137 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.6.prop1-back-serstep.c[1014,1027] [2022-11-16 06:35:18,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:35:18,349 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:35:18,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18 WrapperNode [2022-11-16 06:35:18,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:35:18,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:35:18,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:35:18,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:35:18,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,518 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-11-16 06:35:18,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:35:18,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:35:18,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:35:18,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:35:18,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:35:18,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:35:18,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:35:18,712 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:35:18,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:35:18" (1/1) ... [2022-11-16 06:35:18,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:35:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:35:18,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:35:18,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:35:18,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:35:18,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:35:19,384 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:35:19,386 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:35:23,485 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:35:23,536 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:35:23,537 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 06:35:23,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:35:23 BoogieIcfgContainer [2022-11-16 06:35:23,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:35:23,541 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:35:23,542 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:35:23,552 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:35:23,552 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:35:23" (1/1) ... [2022-11-16 06:35:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:35:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:35:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 06:35:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 06:35:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:35:23,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:35:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:35:23,691 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 06:35:23,697 INFO L158 Benchmark]: Toolchain (without parser) took 6436.33ms. Allocated memory was 67.1MB in the beginning and 220.2MB in the end (delta: 153.1MB). Free memory was 43.7MB in the beginning and 135.2MB in the end (delta: -91.5MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,698 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 53.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 06:35:23,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1089.31ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 43.5MB in the beginning and 56.9MB in the end (delta: -13.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.36ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 40.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,701 INFO L158 Benchmark]: Boogie Preprocessor took 190.52ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 46.8MB in the end (delta: -6.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,702 INFO L158 Benchmark]: RCFGBuilder took 4827.94ms. Allocated memory was 92.3MB in the beginning and 220.2MB in the end (delta: 127.9MB). Free memory was 46.8MB in the beginning and 141.5MB in the end (delta: -94.7MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,703 INFO L158 Benchmark]: CodeCheck took 152.78ms. Allocated memory is still 220.2MB. Free memory was 141.5MB in the beginning and 135.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 06:35:23,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 53.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1089.31ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 43.5MB in the beginning and 56.9MB in the end (delta: -13.5MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.36ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 40.6MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.52ms. Allocated memory is still 92.3MB. Free memory was 40.6MB in the beginning and 46.8MB in the end (delta: -6.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4827.94ms. Allocated memory was 92.3MB in the beginning and 220.2MB in the end (delta: 127.9MB). Free memory was 46.8MB in the beginning and 141.5MB in the end (delta: -94.7MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB. * CodeCheck took 152.78ms. Allocated memory is still 220.2MB. Free memory was 141.5MB in the beginning and 135.2MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 06:35:23,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_204ae4bc-0f0e-427b-9417-e2e86e6a143f/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared