./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --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 d582190feb7c3617e280ad5b037a906a65d55e765a13ec2f5ff15030e0f443d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:47:38,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:47:38,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 22:47:38,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:47:38,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:47:38,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:47:38,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:47:38,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:47:38,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:47:38,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:47:38,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:47:38,838 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:47:38,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:47:38,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:47:38,839 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:47:38,839 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:47:38,839 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:47:38,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:38,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:47:38,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> d582190feb7c3617e280ad5b037a906a65d55e765a13ec2f5ff15030e0f443d9 [2024-11-13 22:47:39,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:47:39,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:47:39,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:47:39,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:47:39,150 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:47:39,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:47:41,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:47:41,696 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:47:41,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c [2024-11-13 22:47:41,730 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/13cb1d4ff/8d583029a7f947d1aef79c8dfe41319d/FLAGa89183534 [2024-11-13 22:47:41,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/13cb1d4ff/8d583029a7f947d1aef79c8dfe41319d [2024-11-13 22:47:41,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:47:41,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:47:41,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:41,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:47:41,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:47:41,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2024-11-13 22:47:41,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60c8eefb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:41, skipping insertion in model container [2024-11-13 22:47:41,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:47:41" (1/1) ... [2024-11-13 22:47:41,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:47:42,145 WARN L250 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c[1176,1189] [2024-11-13 22:47:42,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:42,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:47:42,950 WARN L250 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c[1176,1189] [2024-11-13 22:47:43,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:47:43,250 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:47:43,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43 WrapperNode [2024-11-13 22:47:43,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:47:43,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:43,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:47:43,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:47:43,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:43,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:44,596 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9763 [2024-11-13 22:47:44,597 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:47:44,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:47:44,598 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:47:44,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:47:44,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:44,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:47:45,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:47:45,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:47:45,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:47:45,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:47:43" (1/1) ... [2024-11-13 22:47:45,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:47:45,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:47:45,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:47:45,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:47:45,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:47:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:47:45,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:47:45,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:47:46,603 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:47:46,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:48:02,837 INFO L? ?]: Removed 5409 outVars from TransFormulas that were not future-live. [2024-11-13 22:48:02,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:48:20,228 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:48:20,228 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:48:20,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:20 BoogieIcfgContainer [2024-11-13 22:48:20,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:48:20,230 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:48:20,230 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:48:20,240 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:48:20,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:48:20" (1/1) ... [2024-11-13 22:48:20,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:48:20,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:48:20,300 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:48:20,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:48:20,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:48:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:48:39,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:49,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:53,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:48:55,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:00,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:04,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.77s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:06,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:16,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:49:16,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:16,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 22:49:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 22:49:16,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:16,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:54:15,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:58:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:59:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:59:00,937 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:485) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-13 22:59:00,944 INFO L158 Benchmark]: Toolchain (without parser) took 679143.71ms. Allocated memory was 117.4MB in the beginning and 5.6GB in the end (delta: 5.5GB). Free memory was 88.0MB in the beginning and 1.6GB in the end (delta: -1.6GB). Peak memory consumption was 3.9GB. Max. memory is 16.1GB. [2024-11-13 22:59:00,944 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:59:00,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1447.12ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 38.7MB in the end (delta: 49.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-13 22:59:00,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 1345.86ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 38.7MB in the beginning and 533.0MB in the end (delta: -494.3MB). Peak memory consumption was 169.7MB. Max. memory is 16.1GB. [2024-11-13 22:59:00,947 INFO L158 Benchmark]: Boogie Preprocessor took 1184.95ms. Allocated memory was 729.8MB in the beginning and 620.8MB in the end (delta: -109.1MB). Free memory was 533.0MB in the beginning and 363.3MB in the end (delta: 169.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2024-11-13 22:59:00,947 INFO L158 Benchmark]: RCFGBuilder took 34443.93ms. Allocated memory was 620.8MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 363.3MB in the beginning and 2.1GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-13 22:59:00,948 INFO L158 Benchmark]: CodeCheck took 640712.63ms. Allocated memory was 2.7GB in the beginning and 5.6GB in the end (delta: 2.9GB). Free memory was 2.1GB in the beginning and 1.6GB in the end (delta: 411.1MB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-13 22:59:00,951 INFO L338 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1447.12ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 38.7MB in the end (delta: 49.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1345.86ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 38.7MB in the beginning and 533.0MB in the end (delta: -494.3MB). Peak memory consumption was 169.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1184.95ms. Allocated memory was 729.8MB in the beginning and 620.8MB in the end (delta: -109.1MB). Free memory was 533.0MB in the beginning and 363.3MB in the end (delta: 169.7MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * RCFGBuilder took 34443.93ms. Allocated memory was 620.8MB in the beginning and 2.7GB in the end (delta: 2.1GB). Free memory was 363.3MB in the beginning and 2.1GB in the end (delta: -1.7GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 640712.63ms. Allocated memory was 2.7GB in the beginning and 5.6GB in the end (delta: 2.9GB). Free memory was 2.1GB in the beginning and 1.6GB in the end (delta: 411.1MB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:59:01,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --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 d582190feb7c3617e280ad5b037a906a65d55e765a13ec2f5ff15030e0f443d9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:59:04,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:59:04,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 22:59:04,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:59:04,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:59:04,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:59:04,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:59:04,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:59:04,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:59:04,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:59:04,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:59:04,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:59:04,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:59:04,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:59:04,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:59:04,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:59:04,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:59:04,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:59:04,998 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:04,998 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:59:04,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:59:04,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:04,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:59:04,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> d582190feb7c3617e280ad5b037a906a65d55e765a13ec2f5ff15030e0f443d9 [2024-11-13 22:59:05,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:59:05,490 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:59:05,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:59:05,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:59:05,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:59:05,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 22:59:08,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:59:08,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:59:08,612 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c [2024-11-13 22:59:08,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/d25868721/0351ea523b444fa2b1b17555e35ea56c/FLAG0aeadc052 [2024-11-13 22:59:08,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/data/d25868721/0351ea523b444fa2b1b17555e35ea56c [2024-11-13 22:59:08,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:59:08,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:59:08,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:08,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:59:08,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:59:08,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:08" (1/1) ... [2024-11-13 22:59:08,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335acf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:08, skipping insertion in model container [2024-11-13 22:59:08,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:59:08" (1/1) ... [2024-11-13 22:59:08,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:59:09,154 WARN L250 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c[1176,1189] [2024-11-13 22:59:09,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:09,857 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:59:09,873 WARN L250 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_d3c641ca-bb15-494f-8cb7-e1d1840458ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.7.prop1-back-serstep.c[1176,1189] [2024-11-13 22:59:10,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:59:10,233 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:59:10,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10 WrapperNode [2024-11-13 22:59:10,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:59:10,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:10,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:59:10,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:59:10,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,529 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3283 [2024-11-13 22:59:10,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:59:10,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:59:10,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:59:10,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:59:10,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,584 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:59:10,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:59:10,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:59:10,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:59:10,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:59:10" (1/1) ... [2024-11-13 22:59:10,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:59:10,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:59:10,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:59:10,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:59:10,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:59:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:59:10,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:59:10,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:59:11,684 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:59:11,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:59:19,612 INFO L? ?]: Removed 335 outVars from TransFormulas that were not future-live. [2024-11-13 22:59:19,613 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:59:19,777 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:59:19,777 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:59:19,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:19 BoogieIcfgContainer [2024-11-13 22:59:19,778 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:59:19,779 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:59:19,779 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:59:19,792 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:59:19,793 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:59:19" (1/1) ... [2024-11-13 22:59:19,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:59:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:19,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:59:19,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:59:19,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:59:19,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:19,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:19,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:19,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:19,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:59:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:21,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:21,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 22:59:21,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:59:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:59:22,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:59:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:59:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 22:59:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 22:59:23,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:59:23,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:59:23,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:59:23,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:59:23,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:59:23,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3c641ca-bb15-494f-8cb7-e1d1840458ee/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:59:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:25,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:59:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:59:26,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-13 22:59:26,601 INFO L278 TraceCheckSpWp]: Computing forward predicates...