./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.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_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/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_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/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_b5d6612a-f205-4105-8248-07395a24d48f/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 c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:09:11,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:09:11,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:09:11,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:09:11,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:09:11,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:09:11,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:09:11,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:09:11,851 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:09:11,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:09:11,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:09:11,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:09:11,852 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:09:11,852 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:09:11,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:09:11,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:11,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:09:11,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:09:11,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:09:11,853 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:09:11,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:09:11,853 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_b5d6612a-f205-4105-8248-07395a24d48f/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 -> c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 [2024-12-06 01:09:12,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:09:12,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:09:12,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:09:12,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:09:12,097 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:09:12,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-12-06 01:09:14,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/9bd4fd0e7/d0c8244332784ee593b23d6caf95598d/FLAG4ab3b33a8 [2024-12-06 01:09:15,029 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:09:15,030 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-12-06 01:09:15,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/9bd4fd0e7/d0c8244332784ee593b23d6caf95598d/FLAG4ab3b33a8 [2024-12-06 01:09:15,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/9bd4fd0e7/d0c8244332784ee593b23d6caf95598d [2024-12-06 01:09:15,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:09:15,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:09:15,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:15,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:09:15,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:09:15,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:15,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5544004d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15, skipping insertion in model container [2024-12-06 01:09:15,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:15,367 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:09:15,497 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_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-12-06 01:09:15,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:15,762 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:09:15,769 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_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-12-06 01:09:15,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:09:15,924 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:09:15,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15 WrapperNode [2024-12-06 01:09:15,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:09:15,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:15,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:09:15,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:09:15,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:15,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,376 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4763 [2024-12-06 01:09:16,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:09:16,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:09:16,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:09:16,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:09:16,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:09:16,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:09:16,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:09:16,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:09:16,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:09:15" (1/1) ... [2024-12-06 01:09:16,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:09:16,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:09:16,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:09:16,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:09:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:09:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:09:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:09:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:09:16,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:09:16,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:09:17,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:09:17,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:09:21,842 INFO L? ?]: Removed 2675 outVars from TransFormulas that were not future-live. [2024-12-06 01:09:21,843 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:09:26,342 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:09:26,343 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:09:26,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:26 BoogieIcfgContainer [2024-12-06 01:09:26,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:09:26,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:09:26,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:09:26,352 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:09:26,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:09:26" (1/1) ... [2024-12-06 01:09:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:09:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 01:09:26,421 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 01:09:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 01:09:26,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:26,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:09:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:37,173 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-12-06 01:09:47,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:09:57,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:07,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:17,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:28,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:38,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:10:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2024-12-06 01:10:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-12-06 01:10:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 01:10:38,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:38,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:11:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:11:39,772 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:13:16,501 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 01:13:16,507 INFO L158 Benchmark]: Toolchain (without parser) took 241180.97ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 89.4MB in the beginning and 809.0MB in the end (delta: -719.6MB). Peak memory consumption was 793.3MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,507 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:16,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.38ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 59.8MB in the end (delta: 29.3MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 450.81ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 59.8MB in the beginning and 156.4MB in the end (delta: -96.6MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,509 INFO L158 Benchmark]: Boogie Preprocessor took 448.33ms. Allocated memory is still 285.2MB. Free memory was 156.4MB in the beginning and 147.5MB in the end (delta: 8.8MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,509 INFO L158 Benchmark]: RCFGBuilder took 9517.11ms. Allocated memory was 285.2MB in the beginning and 620.8MB in the end (delta: 335.5MB). Free memory was 147.5MB in the beginning and 139.5MB in the end (delta: 8.1MB). Peak memory consumption was 429.6MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,510 INFO L158 Benchmark]: CodeCheck took 230161.30ms. Allocated memory was 620.8MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 139.5MB in the beginning and 809.0MB in the end (delta: -669.5MB). Peak memory consumption was 336.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:16,514 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 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.38ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 59.8MB in the end (delta: 29.3MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 450.81ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 59.8MB in the beginning and 156.4MB in the end (delta: -96.6MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 448.33ms. Allocated memory is still 285.2MB. Free memory was 156.4MB in the beginning and 147.5MB in the end (delta: 8.8MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9517.11ms. Allocated memory was 285.2MB in the beginning and 620.8MB in the end (delta: 335.5MB). Free memory was 147.5MB in the beginning and 139.5MB in the end (delta: 8.1MB). Peak memory consumption was 429.6MB. Max. memory is 16.1GB. * CodeCheck took 230161.30ms. Allocated memory was 620.8MB in the beginning and 1.6GB in the end (delta: 1.0GB). Free memory was 139.5MB in the beginning and 809.0MB in the end (delta: -669.5MB). Peak memory consumption was 336.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:13:16,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/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_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/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_b5d6612a-f205-4105-8248-07395a24d48f/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 c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:18,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:18,621 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:13:18,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:18,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:18,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:18,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:18,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:18,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:18,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:18,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:13:18,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:18,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:13:18,648 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:18,649 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:13:18,649 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_b5d6612a-f205-4105-8248-07395a24d48f/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 -> c1dfcbee3b3c08868a7bc65611f640bbe908ac332f2cba22ac0e18c87a2548d6 [2024-12-06 01:13:18,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:18,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:18,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:18,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:18,898 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:18,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-12-06 01:13:21,585 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/74a0014b6/2dcb6a6322324c9d9bdfe12097ab0578/FLAG2a556aabf [2024-12-06 01:13:21,877 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:21,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c [2024-12-06 01:13:21,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/74a0014b6/2dcb6a6322324c9d9bdfe12097ab0578/FLAG2a556aabf [2024-12-06 01:13:21,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/data/74a0014b6/2dcb6a6322324c9d9bdfe12097ab0578 [2024-12-06 01:13:21,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:21,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:21,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:21,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:21,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:21,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:21" (1/1) ... [2024-12-06 01:13:21,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64119361 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:21, skipping insertion in model container [2024-12-06 01:13:21,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:21" (1/1) ... [2024-12-06 01:13:21,962 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:22,105 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_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-12-06 01:13:22,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:22,350 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:22,360 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_b5d6612a-f205-4105-8248-07395a24d48f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w8_d8_e0.c[1269,1282] [2024-12-06 01:13:22,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:22,488 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:22,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22 WrapperNode [2024-12-06 01:13:22,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:22,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:22,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:22,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:22,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,598 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2019 [2024-12-06 01:13:22,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:22,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:22,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:22,599 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:22,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,656 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:22,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:22,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:22,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:22,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:22" (1/1) ... [2024-12-06 01:13:22,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:22,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:22,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:13:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:13:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:13:22,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:22,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:23,080 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:23,081 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:24,381 INFO L? ?]: Removed 666 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:24,381 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:24,467 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:24,468 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:13:24,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:24 BoogieIcfgContainer [2024-12-06 01:13:24,468 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:24,469 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:24,469 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:24,478 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:24,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:24" (1/1) ... [2024-12-06 01:13:24,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:24,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-12-06 01:13:24,531 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-12-06 01:13:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-12-06 01:13:24,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:24,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:24,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:24,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:24,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:13:25,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:25,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:25,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 01:13:25,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 01:13:26,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:13:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:27,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-12-06 01:13:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-12-06 01:13:27,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 01:13:27,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:27,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:27,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:27,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:13:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:28,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:29,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 01:13:29,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:30,318 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-12-06 01:13:30,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 01:13:32,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 175 transitions. [2024-12-06 01:13:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2024-12-06 01:13:32,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-06 01:13:32,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:32,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:32,617 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:32,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:13:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:34,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:35,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-12-06 01:13:35,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:43,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 88 proven. 137 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-12-06 01:13:43,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:14:03,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:03,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 199 states and 316 transitions. [2024-12-06 01:14:03,940 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2024-12-06 01:14:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-12-06 01:14:03,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:03,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:03,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5d6612a-f205-4105-8248-07395a24d48f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:14:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:07,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:08,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 3146 conjuncts, 366 conjuncts are in the unsatisfiable core [2024-12-06 01:14:08,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:07,502 WARN L286 SmtUtils]: Spent 4.02m on a formula simplification. DAG size of input: 391 DAG size of output: 378 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)