./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.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_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/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_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/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_2a390d50-89cf-4bef-a101-3b38ea410a4c/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 ea755a9c8ca493a368f72a6768e88ed19d884301beb762d87369b8d0a5727791 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:49,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:49,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 02:55:49,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:55:49,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:55:49,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:49,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:49,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:49,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:49,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:49,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:49,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:49,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:49,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:55:49,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:55:49,458 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/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 -> ea755a9c8ca493a368f72a6768e88ed19d884301beb762d87369b8d0a5727791 [2024-12-06 02:55:49,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:49,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:49,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:49,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:49,695 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:49,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2024-12-06 02:55:52,284 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/0cf3c212c/25adcac66dd342b5a36be9d893d8df73/FLAG0c102fd47 [2024-12-06 02:55:52,616 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:52,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2024-12-06 02:55:52,641 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/0cf3c212c/25adcac66dd342b5a36be9d893d8df73/FLAG0c102fd47 [2024-12-06 02:55:52,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/0cf3c212c/25adcac66dd342b5a36be9d893d8df73 [2024-12-06 02:55:52,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:52,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:52,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:52,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:52,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:52,881 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:52" (1/1) ... [2024-12-06 02:55:52,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aebc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:52, skipping insertion in model container [2024-12-06 02:55:52,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:52" (1/1) ... [2024-12-06 02:55:52,930 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:53,090 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1175,1188] [2024-12-06 02:55:53,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:53,483 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:53,491 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1175,1188] [2024-12-06 02:55:53,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:53,693 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:53,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53 WrapperNode [2024-12-06 02:55:53,694 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:53,695 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:53,695 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:53,695 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:53,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:53,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:54,539 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10292 [2024-12-06 02:55:54,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:54,540 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:54,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:54,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:54,545 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:54,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:54,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:54,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,049 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:55,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:55,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:55,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:55,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:53" (1/1) ... [2024-12-06 02:55:55,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:55,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:55,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:55,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:55:55,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:55,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:55,955 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:55,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:56:10,676 INFO L? ?]: Removed 5687 outVars from TransFormulas that were not future-live. [2024-12-06 02:56:10,676 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:56:25,015 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:56:25,016 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:56:25,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:56:25 BoogieIcfgContainer [2024-12-06 02:56:25,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:56:25,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:56:25,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:56:25,024 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:56:25,024 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:56:25" (1/1) ... [2024-12-06 02:56:25,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:56:25,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:56:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 02:56:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 02:56:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:56:25,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:56:25,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:56:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:56:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:56:40,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:56:50,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:57:01,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.76s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:03,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:13,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:57:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:57:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 02:57:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 02:57:13,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:57:13,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:57:13,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:01:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:01:35,341 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:01:35,345 INFO L158 Benchmark]: Toolchain (without parser) took 342468.64ms. Allocated memory was 117.4MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 88.6MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-06 03:01:35,345 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:01:35,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.77ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 88.4MB in the beginning and 121.0MB in the end (delta: -32.6MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2024-12-06 03:01:35,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 844.98ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 121.0MB in the beginning and 455.0MB in the end (delta: -334.0MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2024-12-06 03:01:35,347 INFO L158 Benchmark]: Boogie Preprocessor took 809.58ms. Allocated memory is still 679.5MB. Free memory was 455.0MB in the beginning and 405.1MB in the end (delta: 49.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 03:01:35,347 INFO L158 Benchmark]: RCFGBuilder took 29665.74ms. Allocated memory was 679.5MB in the beginning and 4.6GB in the end (delta: 3.9GB). Free memory was 405.1MB in the beginning and 3.5GB in the end (delta: -3.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 03:01:35,348 INFO L158 Benchmark]: CodeCheck took 310327.18ms. Allocated memory is still 4.6GB. Free memory was 3.5GB in the beginning and 3.0GB in the end (delta: 509.4MB). Peak memory consumption was 517.5MB. Max. memory is 16.1GB. [2024-12-06 03:01:35,350 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 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.77ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 88.4MB in the beginning and 121.0MB in the end (delta: -32.6MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 844.98ms. Allocated memory was 226.5MB in the beginning and 679.5MB in the end (delta: 453.0MB). Free memory was 121.0MB in the beginning and 455.0MB in the end (delta: -334.0MB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 809.58ms. Allocated memory is still 679.5MB. Free memory was 455.0MB in the beginning and 405.1MB in the end (delta: 49.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * RCFGBuilder took 29665.74ms. Allocated memory was 679.5MB in the beginning and 4.6GB in the end (delta: 3.9GB). Free memory was 405.1MB in the beginning and 3.5GB in the end (delta: -3.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 310327.18ms. Allocated memory is still 4.6GB. Free memory was 3.5GB in the beginning and 3.0GB in the end (delta: 509.4MB). Peak memory consumption was 517.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 03:01:35,558 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 03:01:35,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/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_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/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_2a390d50-89cf-4bef-a101-3b38ea410a4c/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 ea755a9c8ca493a368f72a6768e88ed19d884301beb762d87369b8d0a5727791 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:01:37,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:01:37,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:01:37,676 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:01:37,677 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:01:37,677 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:01:37,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:01:37,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:01:37,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:01:37,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:37,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:01:37,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:37,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:37,680 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:01:37,680 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/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 -> ea755a9c8ca493a368f72a6768e88ed19d884301beb762d87369b8d0a5727791 [2024-12-06 03:01:37,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:01:37,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:01:37,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:01:37,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:01:37,927 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:01:37,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2024-12-06 03:01:40,832 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/808ced3d7/677b19ccfba84d9d894597f40298b298/FLAG2254725b0 [2024-12-06 03:01:41,149 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:01:41,149 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c [2024-12-06 03:01:41,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/808ced3d7/677b19ccfba84d9d894597f40298b298/FLAG2254725b0 [2024-12-06 03:01:41,186 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/data/808ced3d7/677b19ccfba84d9d894597f40298b298 [2024-12-06 03:01:41,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:01:41,190 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:01:41,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:41,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:01:41,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:01:41,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:41,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc72760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41, skipping insertion in model container [2024-12-06 03:01:41,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:41,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:01:41,421 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1175,1188] [2024-12-06 03:01:41,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:41,729 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:01:41,739 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_2a390d50-89cf-4bef-a101-3b38ea410a4c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.7.prop1-back-serstep.c[1175,1188] [2024-12-06 03:01:41,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:01:41,930 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:01:41,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41 WrapperNode [2024-12-06 03:01:41,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:01:41,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:41,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:01:41,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:01:41,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:41,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,072 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3284 [2024-12-06 03:01:42,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:01:42,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:01:42,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:01:42,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:01:42,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,179 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,195 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:01:42,196 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:01:42,196 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:01:42,196 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:01:42,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:01:41" (1/1) ... [2024-12-06 03:01:42,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:01:42,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:01:42,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:01:42,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:01:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:01:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:01:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:01:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:01:42,734 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:01:42,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:01:46,981 INFO L? ?]: Removed 301 outVars from TransFormulas that were not future-live. [2024-12-06 03:01:46,981 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:01:47,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:01:47,076 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:01:47,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:47 BoogieIcfgContainer [2024-12-06 03:01:47,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:01:47,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:01:47,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:01:47,086 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:01:47,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:01:47" (1/1) ... [2024-12-06 03:01:47,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:01:47,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:47,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:01:47,138 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:01:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:01:47,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:47,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:47,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:01:47,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:01:47,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:01:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:48,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:01:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:48,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 03:01:48,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:01:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:01:48,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:01:48,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:01:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:01:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:01:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:01:48,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:01:48,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:01:48,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:01:48,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:01:48,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a390d50-89cf-4bef-a101-3b38ea410a4c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:01:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:50,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:01:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:01:50,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-06 03:01:50,715 INFO L279 TraceCheckSpWp]: Computing forward predicates...