./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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 76764e3d828914d73747878c11ac871ddab4bd8230d7be225cc75dafd9263cef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:10,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:10,580 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:11:10,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:10,585 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:10,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:10,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:10,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:10,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:10,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:10,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:10,608 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:10,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:10,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:10,608 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:10,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:10,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:10,609 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:10,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:10,609 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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 -> 76764e3d828914d73747878c11ac871ddab4bd8230d7be225cc75dafd9263cef [2024-12-06 00:11:10,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:10,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:10,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:10,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:10,865 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:10,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c [2024-12-06 00:11:13,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/ddacd33ed/44426646267b4838a6a5b885b7e981c8/FLAGbb44961ef [2024-12-06 00:11:13,840 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:11:13,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c [2024-12-06 00:11:13,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/ddacd33ed/44426646267b4838a6a5b885b7e981c8/FLAGbb44961ef [2024-12-06 00:11:14,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/ddacd33ed/44426646267b4838a6a5b885b7e981c8 [2024-12-06 00:11:14,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:11:14,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:11:14,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:14,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:11:14,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:11:14,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:14" (1/1) ... [2024-12-06 00:11:14,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc49cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:14, skipping insertion in model container [2024-12-06 00:11:14,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:14" (1/1) ... [2024-12-06 00:11:14,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:11:14,304 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c[1176,1189] [2024-12-06 00:11:14,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:14,778 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:11:14,786 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c[1176,1189] [2024-12-06 00:11:15,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:11:15,064 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:11:15,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15 WrapperNode [2024-12-06 00:11:15,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:15,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:15,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:11:15,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:11:15,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:15,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,073 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13940 [2024-12-06 00:11:16,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:11:16,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:11:16,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:11:16,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:11:16,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:11:16,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:11:16,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:11:16,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:11:16,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:15" (1/1) ... [2024-12-06 00:11:16,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:16,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:11:17,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:11:17,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:11:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:11:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:11:17,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:11:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:11:17,760 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:11:17,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:11:38,737 INFO L? ?]: Removed 7737 outVars from TransFormulas that were not future-live. [2024-12-06 00:11:38,737 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:11:58,732 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:11:58,732 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:11:58,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:58 BoogieIcfgContainer [2024-12-06 00:11:58,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:11:58,734 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:11:58,734 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:11:58,742 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:11:58,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:11:58" (1/1) ... [2024-12-06 00:11:58,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:11:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:11:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:11:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:11:58,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:11:58,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:11:58,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:03,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:12:13,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:12:23,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:12:26,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:36,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:41,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:43,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:53,590 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 [] [2024-12-06 00:12:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:53,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:12:53,645 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:12:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:12:53,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:53,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:22:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:23:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:23:07,891 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) [2024-12-06 00:23:07,898 INFO L158 Benchmark]: Toolchain (without parser) took 713838.38ms. Allocated memory was 142.6MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 110.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-12-06 00:23:07,898 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:23:07,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1005.50ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 109.7MB in the beginning and 268.0MB in the end (delta: -158.3MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2024-12-06 00:23:07,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 1007.67ms. Allocated memory was 369.1MB in the beginning and 981.5MB in the end (delta: 612.4MB). Free memory was 268.0MB in the beginning and 672.7MB in the end (delta: -404.7MB). Peak memory consumption was 258.3MB. Max. memory is 16.1GB. [2024-12-06 00:23:07,901 INFO L158 Benchmark]: Boogie Preprocessor took 903.00ms. Allocated memory is still 981.5MB. Free memory was 672.7MB in the beginning and 578.8MB in the end (delta: 93.9MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-12-06 00:23:07,901 INFO L158 Benchmark]: RCFGBuilder took 41755.28ms. Allocated memory was 981.5MB in the beginning and 6.1GB in the end (delta: 5.1GB). Free memory was 578.8MB in the beginning and 4.1GB in the end (delta: -3.5GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-12-06 00:23:07,902 INFO L158 Benchmark]: CodeCheck took 669162.34ms. Allocated memory was 6.1GB in the beginning and 3.3GB in the end (delta: -2.9GB). Free memory was 4.1GB in the beginning and 2.3GB in the end (delta: 1.8GB). Peak memory consumption was 759.6MB. Max. memory is 16.1GB. [2024-12-06 00:23:07,906 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1005.50ms. Allocated memory was 142.6MB in the beginning and 369.1MB in the end (delta: 226.5MB). Free memory was 109.7MB in the beginning and 268.0MB in the end (delta: -158.3MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1007.67ms. Allocated memory was 369.1MB in the beginning and 981.5MB in the end (delta: 612.4MB). Free memory was 268.0MB in the beginning and 672.7MB in the end (delta: -404.7MB). Peak memory consumption was 258.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 903.00ms. Allocated memory is still 981.5MB. Free memory was 672.7MB in the beginning and 578.8MB in the end (delta: 93.9MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * RCFGBuilder took 41755.28ms. Allocated memory was 981.5MB in the beginning and 6.1GB in the end (delta: 5.1GB). Free memory was 578.8MB in the beginning and 4.1GB in the end (delta: -3.5GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. * CodeCheck took 669162.34ms. Allocated memory was 6.1GB in the beginning and 3.3GB in the end (delta: -2.9GB). Free memory was 4.1GB in the beginning and 2.3GB in the end (delta: 1.8GB). Peak memory consumption was 759.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:23:08,121 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:23:08,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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 76764e3d828914d73747878c11ac871ddab4bd8230d7be225cc75dafd9263cef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:23:10,101 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:23:10,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:23:10,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:23:10,213 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:23:10,213 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:23:10,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:23:10,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:23:10,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:23:10,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:23:10,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:23:10,215 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:23:10,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:23:10,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:23:10,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:23:10,216 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:23:10,216 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:10,216 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:23:10,216 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/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 -> 76764e3d828914d73747878c11ac871ddab4bd8230d7be225cc75dafd9263cef [2024-12-06 00:23:10,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:23:10,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:23:10,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:23:10,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:23:10,450 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:23:10,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c [2024-12-06 00:23:13,099 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/80d647482/5870068f2f26439dac16d585dcba61bd/FLAGe8082c5e9 [2024-12-06 00:23:13,445 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:23:13,445 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c [2024-12-06 00:23:13,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/80d647482/5870068f2f26439dac16d585dcba61bd/FLAGe8082c5e9 [2024-12-06 00:23:13,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/data/80d647482/5870068f2f26439dac16d585dcba61bd [2024-12-06 00:23:13,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:23:13,646 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:23:13,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:23:13,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:23:13,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:23:13,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:23:13" (1/1) ... [2024-12-06 00:23:13,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0b2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:13, skipping insertion in model container [2024-12-06 00:23:13,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:23:13" (1/1) ... [2024-12-06 00:23:13,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:23:13,857 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c[1176,1189] [2024-12-06 00:23:14,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:23:14,228 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:23:14,238 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_377c7d46-6fe2-485a-9243-c30dd32cbf3a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.8.prop1-back-serstep.c[1176,1189] [2024-12-06 00:23:14,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:23:14,483 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:23:14,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14 WrapperNode [2024-12-06 00:23:14,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:23:14,492 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:23:14,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:23:14,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:23:14,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,695 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4516 [2024-12-06 00:23:14,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:23:14,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:23:14,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:23:14,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:23:14,703 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:23:14,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:23:14,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:23:14,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:23:14,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:23:14" (1/1) ... [2024-12-06 00:23:14,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:23:14,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:23:14,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:23:14,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:23:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:23:14,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:23:14,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:23:14,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:23:15,522 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:23:15,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:23:32,090 INFO L? ?]: Removed 351 outVars from TransFormulas that were not future-live. [2024-12-06 00:23:32,090 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:23:32,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:23:32,211 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:23:32,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:32 BoogieIcfgContainer [2024-12-06 00:23:32,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:23:32,212 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:23:32,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:23:32,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:23:32,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:23:32" (1/1) ... [2024-12-06 00:23:32,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:23:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:23:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:23:32,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:23:32,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:32,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:32,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:32,277 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:32,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:23:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:33,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:33,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:23:33,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:33,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:23:33,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:23:40,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:23:40,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:40,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:23:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:23:40,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:23:40,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:40,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:40,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:40,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:40,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_377c7d46-6fe2-485a-9243-c30dd32cbf3a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process