./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b --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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:11:46,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:11:46,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:11:46,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:11:46,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:11:46,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:11:46,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:11:46,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:11:46,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:11:46,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:11:46,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:11:46,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:11:46,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:11:46,757 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:11:46,757 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:11:46,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:11:46,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:46,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:11:46,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:11:46,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:11:46,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:11:46,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:11:46,758 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b 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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-12-05 22:11:47,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:11:47,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:11:47,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:11:47,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:11:47,017 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:11:47,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-12-05 22:11:49,679 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/b74ae5eed/207b3c0614bd4c9391e46cdb9ff6e4cf/FLAG99dae3429 [2024-12-05 22:11:49,997 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:11:49,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-12-05 22:11:50,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/b74ae5eed/207b3c0614bd4c9391e46cdb9ff6e4cf/FLAG99dae3429 [2024-12-05 22:11:50,024 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/b74ae5eed/207b3c0614bd4c9391e46cdb9ff6e4cf [2024-12-05 22:11:50,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:11:50,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:11:50,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:50,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:11:50,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:11:50,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:50,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@430ade90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50, skipping insertion in model container [2024-12-05 22:11:50,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:50,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:11:50,244 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:50,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:50,586 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:11:50,596 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-12-05 22:11:50,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:11:50,804 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:11:50,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50 WrapperNode [2024-12-05 22:11:50,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:11:50,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:50,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:11:50,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:11:50,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:50,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,390 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7678 [2024-12-05 22:11:51,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:11:51,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:11:51,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:11:51,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:11:51,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,793 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:51,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:52,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:11:52,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:11:52,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:11:52,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:11:52,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:11:50" (1/1) ... [2024-12-05 22:11:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:11:52,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:11:52,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:11:52,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:11:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:11:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:11:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:11:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:11:52,499 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:11:52,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:12:01,223 INFO L? ?]: Removed 4223 outVars from TransFormulas that were not future-live. [2024-12-05 22:12:01,223 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:12:10,794 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:12:10,794 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:12:10,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:10 BoogieIcfgContainer [2024-12-05 22:12:10,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:12:10,795 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:12:10,795 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:12:10,803 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:12:10,803 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:12:10" (1/1) ... [2024-12-05 22:12:10,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:12:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:12:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:12:10,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:12:10,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:10,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:12:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:12:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:12:32,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:42,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:44,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:46,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:12:56,912 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 [] [2024-12-05 22:12:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:12:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:12:56,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:12:56,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:56,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:14:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:14:37,916 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:16:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:16:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:16:48,300 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) [2024-12-05 22:16:48,303 INFO L158 Benchmark]: Toolchain (without parser) took 298276.04ms. Allocated memory was 142.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 115.2MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 667.2MB. Max. memory is 16.1GB. [2024-12-05 22:16:48,303 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:16:48,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 776.88ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 85.6MB in the end (delta: 29.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. [2024-12-05 22:16:48,304 INFO L158 Benchmark]: Boogie Procedure Inliner took 585.18ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 85.1MB in the beginning and 184.2MB in the end (delta: -99.1MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. [2024-12-05 22:16:48,305 INFO L158 Benchmark]: Boogie Preprocessor took 631.03ms. Allocated memory is still 402.7MB. Free memory was 184.2MB in the beginning and 194.5MB in the end (delta: -10.4MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-12-05 22:16:48,305 INFO L158 Benchmark]: RCFGBuilder took 18771.92ms. Allocated memory was 402.7MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 194.5MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 22:16:48,306 INFO L158 Benchmark]: CodeCheck took 277507.32ms. Allocated memory was 2.0GB in the beginning and 2.5GB in the end (delta: 528.5MB). Free memory was 1.3GB in the beginning and 1.8GB in the end (delta: -527.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-12-05 22:16:48,308 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 0.33ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 33.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 776.88ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 85.6MB in the end (delta: 29.4MB). Peak memory consumption was 94.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 585.18ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 85.1MB in the beginning and 184.2MB in the end (delta: -99.1MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 631.03ms. Allocated memory is still 402.7MB. Free memory was 184.2MB in the beginning and 194.5MB in the end (delta: -10.4MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * RCFGBuilder took 18771.92ms. Allocated memory was 402.7MB in the beginning and 2.0GB in the end (delta: 1.6GB). Free memory was 194.5MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 277507.32ms. Allocated memory was 2.0GB in the beginning and 2.5GB in the end (delta: 528.5MB). Free memory was 1.3GB in the beginning and 1.8GB in the end (delta: -527.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:16:48,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/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_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b --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 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:16:50,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:16:50,401 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:16:50,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:16:50,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:16:50,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:16:50,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:16:50,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:16:50,428 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:16:50,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:16:50,429 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:16:50,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:50,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:50,430 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:16:50,430 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b 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 -> 531c6232318ca14fed66fc5efcd9c390e3e7ee576e67472e752cd873da255181 [2024-12-05 22:16:50,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:16:50,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:16:50,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:16:50,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:16:50,700 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:16:50,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-12-05 22:16:53,536 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/d6c594334/f0938bef2e5b48e99ae15213108e6490/FLAGee4a0b51b [2024-12-05 22:16:53,831 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:16:53,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2024-12-05 22:16:53,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/d6c594334/f0938bef2e5b48e99ae15213108e6490/FLAGee4a0b51b [2024-12-05 22:16:53,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/data/d6c594334/f0938bef2e5b48e99ae15213108e6490 [2024-12-05 22:16:53,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:16:53,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:16:53,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:53,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:16:53,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:16:53,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:53" (1/1) ... [2024-12-05 22:16:53,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13eed19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:53, skipping insertion in model container [2024-12-05 22:16:53,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:16:53" (1/1) ... [2024-12-05 22:16:53,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:16:54,041 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-12-05 22:16:54,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:54,328 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:16:54,339 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_237e9d1c-9a7a-4c66-92da-7463b38f2452/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1176,1189] [2024-12-05 22:16:54,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:16:54,493 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:16:54,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54 WrapperNode [2024-12-05 22:16:54,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:16:54,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:54,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:16:54,495 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:16:54,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,630 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2550 [2024-12-05 22:16:54,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:16:54,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:16:54,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:16:54,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:16:54,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,696 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:16:54,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:16:54,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:16:54,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:16:54,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:16:54" (1/1) ... [2024-12-05 22:16:54,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:16:54,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:16:54,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:16:54,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:16:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:16:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:16:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:16:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:16:55,179 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:16:55,181 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:16:58,177 INFO L? ?]: Removed 271 outVars from TransFormulas that were not future-live. [2024-12-05 22:16:58,177 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:16:58,273 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:16:58,273 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:16:58,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:58 BoogieIcfgContainer [2024-12-05 22:16:58,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:16:58,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:16:58,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:16:58,285 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:16:58,285 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:16:58" (1/1) ... [2024-12-05 22:16:58,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:16:58,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:58,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:16:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:16:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:16:58,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:58,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:58,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:58,345 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:58,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:16:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:59,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:16:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:59,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:16:59,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:59,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:16:59,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:16:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:16:59,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:16:59,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:59,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:59,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:59,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:59,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_237e9d1c-9a7a-4c66-92da-7463b38f2452/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:17:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:01,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:01,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-05 22:17:01,548 INFO L279 TraceCheckSpWp]: Computing forward predicates...