./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.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_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/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_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/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_3ced7102-c443-4d9d-9180-c2225ff1d780/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 d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:26:35,432 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:26:35,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:26:35,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:26:35,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:26:35,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:26:35,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:26:35,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:26:35,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:26:35,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:26:35,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:26:35,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:26:35,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:26:35,512 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:26:35,512 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:26:35,513 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:26:35,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:26:35,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:35,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:26:35,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:26:35,514 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:26:35,514 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:26:35,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:26:35,514 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_3ced7102-c443-4d9d-9180-c2225ff1d780/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 -> d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 [2024-12-05 22:26:35,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:26:35,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:26:35,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:26:35,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:26:35,754 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:26:35,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-12-05 22:26:38,332 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/eb67a1f18/9ce3e75dbfd6467d9de066f36b9269b9/FLAGed4711a5d [2024-12-05 22:26:38,621 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:26:38,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-12-05 22:26:38,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/eb67a1f18/9ce3e75dbfd6467d9de066f36b9269b9/FLAGed4711a5d [2024-12-05 22:26:38,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/eb67a1f18/9ce3e75dbfd6467d9de066f36b9269b9 [2024-12-05 22:26:38,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:26:38,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:26:38,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:38,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:26:38,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:26:38,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:38" (1/1) ... [2024-12-05 22:26:38,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44586f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:38, skipping insertion in model container [2024-12-05 22:26:38,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:26:38" (1/1) ... [2024-12-05 22:26:38,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:26:39,131 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_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-12-05 22:26:39,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:39,479 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:26:39,505 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_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-12-05 22:26:39,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:26:39,730 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:26:39,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39 WrapperNode [2024-12-05 22:26:39,731 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:26:39,732 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:39,732 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:26:39,732 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:26:39,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:39,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:40,574 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8842 [2024-12-05 22:26:40,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:26:40,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:26:40,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:26:40,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:26:40,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:40,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:40,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:40,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,023 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:26:41,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:26:41,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:26:41,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:26:41,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:26:39" (1/1) ... [2024-12-05 22:26:41,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:26:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:26:41,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:26:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:26:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:26:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:26:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:26:41,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:26:41,864 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:26:41,865 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:26:52,351 INFO L? ?]: Removed 4807 outVars from TransFormulas that were not future-live. [2024-12-05 22:26:52,351 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:27:03,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:27:03,178 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:27:03,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:03 BoogieIcfgContainer [2024-12-05 22:27:03,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:27:03,179 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:27:03,179 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:27:03,186 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:27:03,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:27:03" (1/1) ... [2024-12-05 22:27:03,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:27:03,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:27:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:27:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:27:03,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:27:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:06,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:27:17,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:27,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:29,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:31,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:32,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:42,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:27:42,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:27:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:27:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:27:42,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:30:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:30:06,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:32:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:32:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:32:52,718 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:32:52,721 INFO L158 Benchmark]: Toolchain (without parser) took 373811.24ms. Allocated memory was 117.4MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 89.6MB in the beginning and 2.4GB in the end (delta: -2.3GB). Peak memory consumption was 767.8MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,722 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:32:52,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.14ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 53.1MB in the end (delta: 36.3MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 842.92ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 53.1MB in the beginning and 508.8MB in the end (delta: -455.7MB). Peak memory consumption was 209.9MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,723 INFO L158 Benchmark]: Boogie Preprocessor took 795.73ms. Allocated memory was 704.6MB in the beginning and 620.8MB in the end (delta: -83.9MB). Free memory was 508.8MB in the beginning and 377.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,724 INFO L158 Benchmark]: RCFGBuilder took 21807.08ms. Allocated memory was 620.8MB in the beginning and 1.0GB in the end (delta: 385.9MB). Free memory was 377.7MB in the beginning and 572.0MB in the end (delta: -194.3MB). Peak memory consumption was 845.3MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,724 INFO L158 Benchmark]: CodeCheck took 349541.27ms. Allocated memory was 1.0GB in the beginning and 3.2GB in the end (delta: 2.2GB). Free memory was 572.0MB in the beginning and 2.4GB in the end (delta: -1.8GB). Peak memory consumption was 357.9MB. Max. memory is 16.1GB. [2024-12-05 22:32:52,727 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 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.14ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 53.1MB in the end (delta: 36.3MB). Peak memory consumption was 98.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 842.92ms. Allocated memory was 117.4MB in the beginning and 704.6MB in the end (delta: 587.2MB). Free memory was 53.1MB in the beginning and 508.8MB in the end (delta: -455.7MB). Peak memory consumption was 209.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 795.73ms. Allocated memory was 704.6MB in the beginning and 620.8MB in the end (delta: -83.9MB). Free memory was 508.8MB in the beginning and 377.7MB in the end (delta: 131.1MB). Peak memory consumption was 130.1MB. Max. memory is 16.1GB. * RCFGBuilder took 21807.08ms. Allocated memory was 620.8MB in the beginning and 1.0GB in the end (delta: 385.9MB). Free memory was 377.7MB in the beginning and 572.0MB in the end (delta: -194.3MB). Peak memory consumption was 845.3MB. Max. memory is 16.1GB. * CodeCheck took 349541.27ms. Allocated memory was 1.0GB in the beginning and 3.2GB in the end (delta: 2.2GB). Free memory was 572.0MB in the beginning and 2.4GB in the end (delta: -1.8GB). Peak memory consumption was 357.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:32:52,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/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_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/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_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/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_3ced7102-c443-4d9d-9180-c2225ff1d780/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 d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:32:54,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:32:54,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:32:54,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:32:54,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:32:54,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:32:54,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:32:54,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:32:54,912 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:32:54,912 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:32:54,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:32:54,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:32:54,912 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:32:54,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:32:54,913 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:32:54,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:32:54,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:32:54,914 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:32:54,914 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_3ced7102-c443-4d9d-9180-c2225ff1d780/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 -> d9d33ce4a1076948815d2c6f8aaf04473893994154afdbe53d4c08820caa8354 [2024-12-05 22:32:55,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:32:55,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:32:55,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:32:55,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:32:55,151 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:32:55,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-12-05 22:32:57,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/8eea12104/95486d1324bf475dbecbf7b9c772882e/FLAGbadb43101 [2024-12-05 22:32:58,155 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:32:58,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c [2024-12-05 22:32:58,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/8eea12104/95486d1324bf475dbecbf7b9c772882e/FLAGbadb43101 [2024-12-05 22:32:58,191 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/data/8eea12104/95486d1324bf475dbecbf7b9c772882e [2024-12-05 22:32:58,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:32:58,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:32:58,197 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:32:58,197 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:32:58,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:32:58,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:58,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41cea2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58, skipping insertion in model container [2024-12-05 22:32:58,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:58,255 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:32:58,423 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_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-12-05 22:32:58,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:32:58,727 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:32:58,738 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_3ced7102-c443-4d9d-9180-c2225ff1d780/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.3.prop1-back-serstep.c[1172,1185] [2024-12-05 22:32:58,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:32:58,900 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:32:58,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58 WrapperNode [2024-12-05 22:32:58,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:32:58,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:32:58,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:32:58,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:32:58,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:58,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,041 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2674 [2024-12-05 22:32:59,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:32:59,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:32:59,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:32:59,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:32:59,049 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,116 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:32:59,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:32:59,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:32:59,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:32:59,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:32:58" (1/1) ... [2024-12-05 22:32:59,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:32:59,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:32:59,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:32:59,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:32:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:32:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:32:59,635 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:32:59,637 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:33:02,446 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-12-05 22:33:02,446 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:33:02,512 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:33:02,513 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:33:02,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:33:02 BoogieIcfgContainer [2024-12-05 22:33:02,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:33:02,514 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:33:02,514 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:33:02,521 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:33:02,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:33:02" (1/1) ... [2024-12-05 22:33:02,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:33:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:33:02,565 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:33:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:33:02,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:02,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:02,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:02,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:02,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:33:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:03,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:03,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:33:03,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:33:03,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:33:03,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:33:04,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:33:04,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:33:04,134 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:33:04,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:33:04,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:33:04,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:33:04,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:33:04,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:33:04,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ced7102-c443-4d9d-9180-c2225ff1d780/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:33:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:05,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:33:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:33:05,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-05 22:33:05,825 INFO L279 TraceCheckSpWp]: Computing forward predicates...