./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:38,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:38,307 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:34:38,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:34:38,317 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:34:38,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:38,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:38,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:38,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:38,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:38,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:38,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:38,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:34:38,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:38,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:38,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:38,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:38,357 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:38,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:38,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:38,358 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:38,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:38,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:38,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:38,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:38,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:38,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:38,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:38,364 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:34:38,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:34:38,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a [2024-11-08 22:34:38,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:38,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:38,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:38,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:38,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:38,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:34:40,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:41,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:41,225 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c [2024-11-08 22:34:41,256 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/12ca97214/6139188d7a644dd3b80f0d6a0b8b93bc/FLAG8cf5089e3 [2024-11-08 22:34:41,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/12ca97214/6139188d7a644dd3b80f0d6a0b8b93bc [2024-11-08 22:34:41,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:41,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:41,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:41,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:41,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:41,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:41" (1/1) ... [2024-11-08 22:34:41,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@268bb425 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:41, skipping insertion in model container [2024-11-08 22:34:41,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:41" (1/1) ... [2024-11-08 22:34:41,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:41,810 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_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-08 22:34:42,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:42,419 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:42,430 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_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-08 22:34:42,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:42,833 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:42,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42 WrapperNode [2024-11-08 22:34:42,834 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:42,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:42,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:42,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:42,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:42,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:43,871 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7197 [2024-11-08 22:34:43,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:43,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:43,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:43,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:43,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:43,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,562 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,604 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:44,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:44,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:44,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:44,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:42" (1/1) ... [2024-11-08 22:34:44,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:44,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:44,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:44,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:34:44,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:45,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:45,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:35:07,372 INFO L? ?]: Removed 4174 outVars from TransFormulas that were not future-live. [2024-11-08 22:35:07,373 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:35:20,151 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:35:20,152 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:35:20,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:20 BoogieIcfgContainer [2024-11-08 22:35:20,153 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:35:20,155 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:35:20,155 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:35:20,167 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:35:20,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:20" (1/1) ... [2024-11-08 22:35:20,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:35:20,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:35:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:35:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:35:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:35:20,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:35:20,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:35:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:35:27,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:35:37,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:47,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:50,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:35:51,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:02,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:36:02,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:36:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:36:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:36:02,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:02,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:38:49,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:41:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:41:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:41:33,304 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-08 22:41:33,308 INFO L158 Benchmark]: Toolchain (without parser) took 411876.09ms. Allocated memory was 127.9MB in the beginning and 6.1GB in the end (delta: 5.9GB). Free memory was 84.9MB in the beginning and 2.6GB in the end (delta: -2.6GB). Peak memory consumption was 3.4GB. Max. memory is 16.1GB. [2024-11-08 22:41:33,310 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:41:33,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1401.47ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 84.4MB in the beginning and 121.4MB in the end (delta: -37.0MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. [2024-11-08 22:41:33,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 1035.80ms. Allocated memory was 186.6MB in the beginning and 343.9MB in the end (delta: 157.3MB). Free memory was 121.4MB in the beginning and 161.8MB in the end (delta: -40.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2024-11-08 22:41:33,313 INFO L158 Benchmark]: Boogie Preprocessor took 893.83ms. Allocated memory is still 343.9MB. Free memory was 161.8MB in the beginning and 125.2MB in the end (delta: 36.6MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-08 22:41:33,314 INFO L158 Benchmark]: RCFGBuilder took 35384.97ms. Allocated memory was 343.9MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 125.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 833.6MB. Max. memory is 16.1GB. [2024-11-08 22:41:33,316 INFO L158 Benchmark]: CodeCheck took 373152.33ms. Allocated memory was 3.5GB in the beginning and 6.1GB in the end (delta: 2.5GB). Free memory was 3.0GB in the beginning and 2.6GB in the end (delta: 397.0MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-11-08 22:41:33,323 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 0.38ms. Allocated memory is still 127.9MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1401.47ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 84.4MB in the beginning and 121.4MB in the end (delta: -37.0MB). Peak memory consumption was 73.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1035.80ms. Allocated memory was 186.6MB in the beginning and 343.9MB in the end (delta: 157.3MB). Free memory was 121.4MB in the beginning and 161.8MB in the end (delta: -40.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 893.83ms. Allocated memory is still 343.9MB. Free memory was 161.8MB in the beginning and 125.2MB in the end (delta: 36.6MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * RCFGBuilder took 35384.97ms. Allocated memory was 343.9MB in the beginning and 3.5GB in the end (delta: 3.2GB). Free memory was 125.2MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 833.6MB. Max. memory is 16.1GB. * CodeCheck took 373152.33ms. Allocated memory was 3.5GB in the beginning and 6.1GB in the end (delta: 2.5GB). Free memory was 3.0GB in the beginning and 2.6GB in the end (delta: 397.0MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:41:33,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:41:36,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:41:36,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:41:36,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:41:36,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:41:36,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:41:36,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:41:36,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:41:36,236 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:41:36,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:41:36,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:41:36,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:41:36,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:41:36,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:41:36,241 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:41:36,241 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:41:36,241 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:41:36,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:41:36,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:41:36,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:41:36,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:41:36,247 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:41:36,249 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:41:36,249 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:36,250 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:41:36,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:41:36,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:36,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:41:36,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:41:36,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:41:36,252 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:41:36,252 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:36,252 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:41:36,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a [2024-11-08 22:41:36,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:41:36,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:41:36,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:41:36,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:41:36,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:41:36,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:41:38,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:41:39,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:41:39,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c [2024-11-08 22:41:39,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/fdb716f58/2ffd13273718497facd1b398fa673716/FLAGb4ee10c07 [2024-11-08 22:41:39,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/data/fdb716f58/2ffd13273718497facd1b398fa673716 [2024-11-08 22:41:39,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:41:39,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:41:39,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:39,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:41:39,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:41:39,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:39" (1/1) ... [2024-11-08 22:41:39,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@221db11d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:39, skipping insertion in model container [2024-11-08 22:41:39,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:41:39" (1/1) ... [2024-11-08 22:41:39,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:41:39,735 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_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-08 22:41:40,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:40,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:41:40,298 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_3e9c26a1-5822-4124-b1dd-149798387669/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-08 22:41:40,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:41:40,556 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:41:40,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40 WrapperNode [2024-11-08 22:41:40,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:41:40,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:40,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:41:40,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:41:40,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,804 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2813 [2024-11-08 22:41:40,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:41:40,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:41:40,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:41:40,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:41:40,816 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:40,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:41,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:41:41,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:41:41,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:41:41,006 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:41:41,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:41:40" (1/1) ... [2024-11-08 22:41:41,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:41:41,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:41:41,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:41:41,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:41:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:41:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:41:41,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:41:41,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:41:41,683 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:41:41,687 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:41:47,317 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-08 22:41:47,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:41:47,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:41:47,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:41:47,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:47 BoogieIcfgContainer [2024-11-08 22:41:47,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:41:47,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:41:47,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:41:47,549 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:41:47,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:41:47" (1/1) ... [2024-11-08 22:41:47,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:41:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:47,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:41:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:41:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:41:47,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:47,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:47,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:47,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:47,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:41:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:49,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:49,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:49,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:41:49,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:41:49,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:41:49,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:41:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:41:50,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:41:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:41:50,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:41:50,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:41:50,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:41:50,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:41:50,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:41:50,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e9c26a1-5822-4124-b1dd-149798387669/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:41:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:53,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:41:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:41:53,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-08 22:41:53,889 INFO L278 TraceCheckSpWp]: Computing forward predicates...