./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk --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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:37:57,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:37:57,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:37:57,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:37:57,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:37:57,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:37:57,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:37:57,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:37:57,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:37:57,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:37:57,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:37:57,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:37:57,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:37:57,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:37:57,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:37:57,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:37:57,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:37:57,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:37:57,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:37:57,280 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:37:57,281 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:37:57,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:37:57,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:37:57,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:37:57,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:37:57,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:37:57,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:37:57,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:37:57,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:37:57,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:37:57,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-11-08 22:37:57,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:37:57,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:37:57,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:37:57,636 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:37:57,637 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:37:57,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:38:00,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:38:00,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:38:00,419 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-11-08 22:38:00,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/bd4e792df/21563ad1c95e4b14b3af55b5e50650df/FLAG425a5cf9a [2024-11-08 22:38:00,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/bd4e792df/21563ad1c95e4b14b3af55b5e50650df [2024-11-08 22:38:00,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:38:00,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:38:00,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:00,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:38:00,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:38:00,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:00" (1/1) ... [2024-11-08 22:38:00,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64539717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:00, skipping insertion in model container [2024-11-08 22:38:00,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:38:00" (1/1) ... [2024-11-08 22:38:00,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:38:00,846 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_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 22:38:01,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:01,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:38:01,454 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_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 22:38:01,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:38:01,798 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:38:01,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01 WrapperNode [2024-11-08 22:38:01,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:38:01,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:01,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:38:01,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:38:01,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:01,929 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:02,792 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5671 [2024-11-08 22:38:02,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:38:02,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:38:02,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:38:02,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:38:02,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:02,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,702 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:38:03,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:38:03,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:38:03,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:38:03,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:38:01" (1/1) ... [2024-11-08 22:38:03,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:38:03,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:38:03,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:38:03,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:38:03,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:38:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:38:03,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:38:03,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:38:04,756 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:38:04,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:38:14,688 INFO L? ?]: Removed 3093 outVars from TransFormulas that were not future-live. [2024-11-08 22:38:14,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:38:28,732 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:38:28,732 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:38:28,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:28 BoogieIcfgContainer [2024-11-08 22:38:28,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:38:28,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:38:28,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:38:28,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:38:28,748 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:38:28" (1/1) ... [2024-11-08 22:38:28,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:38:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:38:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:38:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:38:28,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:28,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:35,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:38:45,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:38:55,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:00,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:01,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:12,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:39:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:39:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:39:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:39:12,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:12,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:28,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:41:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:41:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:51,261 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) [2024-11-08 22:41:51,265 INFO L158 Benchmark]: Toolchain (without parser) took 230783.91ms. Allocated memory was 130.0MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 80.8MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-11-08 22:41:51,265 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 130.0MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:51,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1315.14ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 80.5MB in the beginning and 129.3MB in the end (delta: -48.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2024-11-08 22:41:51,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 992.83ms. Allocated memory was 184.5MB in the beginning and 306.2MB in the end (delta: 121.6MB). Free memory was 128.9MB in the beginning and 164.9MB in the end (delta: -36.1MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. [2024-11-08 22:41:51,270 INFO L158 Benchmark]: Boogie Preprocessor took 915.83ms. Allocated memory is still 306.2MB. Free memory was 164.9MB in the beginning and 137.1MB in the end (delta: 27.8MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2024-11-08 22:41:51,271 INFO L158 Benchmark]: RCFGBuilder took 25022.64ms. Allocated memory was 306.2MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 136.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 781.8MB. Max. memory is 16.1GB. [2024-11-08 22:41:51,272 INFO L158 Benchmark]: CodeCheck took 202529.38ms. Allocated memory was 4.0GB in the beginning and 6.5GB in the end (delta: 2.5GB). Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: -16.5MB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2024-11-08 22:41:51,275 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 0.46ms. Allocated memory is still 130.0MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1315.14ms. Allocated memory was 130.0MB in the beginning and 184.5MB in the end (delta: 54.5MB). Free memory was 80.5MB in the beginning and 129.3MB in the end (delta: -48.8MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 992.83ms. Allocated memory was 184.5MB in the beginning and 306.2MB in the end (delta: 121.6MB). Free memory was 128.9MB in the beginning and 164.9MB in the end (delta: -36.1MB). Peak memory consumption was 117.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 915.83ms. Allocated memory is still 306.2MB. Free memory was 164.9MB in the beginning and 137.1MB in the end (delta: 27.8MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * RCFGBuilder took 25022.64ms. Allocated memory was 306.2MB in the beginning and 4.0GB in the end (delta: 3.7GB). Free memory was 136.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 781.8MB. Max. memory is 16.1GB. * CodeCheck took 202529.38ms. Allocated memory was 4.0GB in the beginning and 6.5GB in the end (delta: 2.5GB). Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: -16.5MB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:41:51,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk --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 a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:41:54,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:41:54,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:41:54,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:41:54,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:41:54,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:41:54,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:41:54,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:41:54,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:41:54,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:41:54,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:41:54,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:41:54,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:41:54,607 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:41:54,608 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:41:54,608 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:41:54,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:41:54,609 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:41:54,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:41:54,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:41:54,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:41:54,612 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:41:54,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:41:54,613 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:54,613 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:41:54,613 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:41:54,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:54,614 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:41:54,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:41:54,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:41:54,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:41:54,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:54,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:41:54,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a791e649d1fbac95bca960ad145f07612f309efa6a6027c1203101c7f9d7de85 [2024-11-08 22:41:55,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:41:55,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:41:55,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:41:55,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:41:55,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:41:55,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:41:57,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:41:58,152 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:41:58,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c [2024-11-08 22:41:58,183 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/f70cbf8d3/68bdd96bcc7943d481b1006b824b7e6f/FLAG07a09ed7b [2024-11-08 22:41:58,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/data/f70cbf8d3/68bdd96bcc7943d481b1006b824b7e6f [2024-11-08 22:41:58,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:41:58,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:41:58,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:58,217 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:41:58,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:41:58,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:58" (1/1) ... [2024-11-08 22:41:58,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a49c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:58, skipping insertion in model container [2024-11-08 22:41:58,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:58" (1/1) ... [2024-11-08 22:41:58,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:41:58,614 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_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 22:41:59,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:59,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:41:59,168 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_3cadb548-60d4-4ecf-baae-e9f97ea1c571/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.1.prop1-back-serstep.c[1176,1189] [2024-11-08 22:41:59,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:59,388 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:41:59,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59 WrapperNode [2024-11-08 22:41:59,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:59,391 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:59,391 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:41:59,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:41:59,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,602 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1863 [2024-11-08 22:41:59,602 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:59,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:41:59,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:41:59,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:41:59,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:41:59,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:41:59,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:41:59,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:41:59,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:59" (1/1) ... [2024-11-08 22:41:59,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:59,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:41:59,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:41:59,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:41:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:41:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:41:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:41:59,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:42:00,332 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:42:00,335 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:42:03,743 INFO L? ?]: Removed 207 outVars from TransFormulas that were not future-live. [2024-11-08 22:42:03,743 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:42:03,874 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:42:03,874 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:42:03,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:03 BoogieIcfgContainer [2024-11-08 22:42:03,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:42:03,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:42:03,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:42:03,889 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:42:03,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:42:03" (1/1) ... [2024-11-08 22:42:03,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:42:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:42:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:42:03,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:42:03,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:03,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:03,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:03,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:03,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:42:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:04,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:05,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:42:05,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:05,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:42:05,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:42:05,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:42:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:42:05,938 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:42:05,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:42:05,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:42:05,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:42:05,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:42:05,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:42:05,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cadb548-60d4-4ecf-baae-e9f97ea1c571/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:42:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:07,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:42:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:42:08,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 76 conjuncts are in the unsatisfiable core [2024-11-08 22:42:08,330 INFO L278 TraceCheckSpWp]: Computing forward predicates...