./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.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_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/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_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/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_18850edf-0fea-4324-9830-3a16a7a1189a/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 cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:52:45,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:52:45,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:52:45,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:52:45,074 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:52:45,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:52:45,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:52:45,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:52:45,098 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:52:45,098 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:52:45,099 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:52:45,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:52:45,100 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:52:45,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:52:45,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:52:45,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:52:45,100 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_18850edf-0fea-4324-9830-3a16a7a1189a/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 -> cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 [2024-12-05 23:52:45,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:52:45,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:52:45,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:52:45,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:52:45,376 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:52:45,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-12-05 23:52:48,067 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/21e93fb00/56844648c94b45bfbcdd5e64aed6ab77/FLAG81a579c19 [2024-12-05 23:52:48,332 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:52:48,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-12-05 23:52:48,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/21e93fb00/56844648c94b45bfbcdd5e64aed6ab77/FLAG81a579c19 [2024-12-05 23:52:48,361 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/21e93fb00/56844648c94b45bfbcdd5e64aed6ab77 [2024-12-05 23:52:48,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:52:48,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:52:48,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:52:48,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:52:48,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:52:48,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:52:48" (1/1) ... [2024-12-05 23:52:48,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108efa0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:48, skipping insertion in model container [2024-12-05 23:52:48,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:52:48" (1/1) ... [2024-12-05 23:52:48,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:52:48,578 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_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-12-05 23:52:48,868 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:52:48,877 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:52:48,886 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_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-12-05 23:52:49,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:52:49,090 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:52:49,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49 WrapperNode [2024-12-05 23:52:49,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:52:49,092 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:52:49,092 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:52:49,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:52:49,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:49,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:49,656 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6546 [2024-12-05 23:52:49,657 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:52:49,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:52:49,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:52:49,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:52:49,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:49,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:49,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:49,813 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,027 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,063 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:52:50,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:52:50,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:52:50,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:52:50,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:49" (1/1) ... [2024-12-05 23:52:50,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:52:50,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:52:50,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:52:50,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:52:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:52:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:52:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:52:50,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:52:50,754 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:52:50,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:52:58,855 INFO L? ?]: Removed 3558 outVars from TransFormulas that were not future-live. [2024-12-05 23:52:58,855 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:53:06,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:53:06,626 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:53:06,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:06 BoogieIcfgContainer [2024-12-05 23:53:06,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:53:06,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:53:06,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:53:06,636 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:53:06,636 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:53:06" (1/1) ... [2024-12-05 23:53:06,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:53:06,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:53:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:53:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:53:06,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:06,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:53:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:53:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:53:19,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:53:29,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:53:31,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:53:33,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:53:41,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:53:42,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:53:42,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:53:42,000 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:53:42,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:53:42,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:53:42,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:54:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:54:46,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:55:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:56:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:56:02,489 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:56:02,494 INFO L158 Benchmark]: Toolchain (without parser) took 194129.25ms. Allocated memory was 142.6MB in the beginning and 3.2GB in the end (delta: 3.1GB). Free memory was 114.4MB in the beginning and 953.9MB in the end (delta: -839.5MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-05 23:56:02,495 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:56:02,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.44ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 79.0MB in the end (delta: 35.1MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-12-05 23:56:02,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 564.86ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 79.0MB in the beginning and 158.2MB in the end (delta: -79.2MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. [2024-12-05 23:56:02,496 INFO L158 Benchmark]: Boogie Preprocessor took 619.91ms. Allocated memory is still 343.9MB. Free memory was 158.2MB in the beginning and 147.9MB in the end (delta: 10.3MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. [2024-12-05 23:56:02,497 INFO L158 Benchmark]: RCFGBuilder took 16347.76ms. Allocated memory was 343.9MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 147.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-05 23:56:02,498 INFO L158 Benchmark]: CodeCheck took 175865.81ms. Allocated memory was 1.9GB in the beginning and 3.2GB in the end (delta: 1.3GB). Free memory was 1.2GB in the beginning and 953.9MB in the end (delta: 254.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-05 23:56:02,501 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 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.44ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 79.0MB in the end (delta: 35.1MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 564.86ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 79.0MB in the beginning and 158.2MB in the end (delta: -79.2MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 619.91ms. Allocated memory is still 343.9MB. Free memory was 158.2MB in the beginning and 147.9MB in the end (delta: 10.3MB). Peak memory consumption was 109.3MB. Max. memory is 16.1GB. * RCFGBuilder took 16347.76ms. Allocated memory was 343.9MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 147.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 175865.81ms. Allocated memory was 1.9GB in the beginning and 3.2GB in the end (delta: 1.3GB). Free memory was 1.2GB in the beginning and 953.9MB in the end (delta: 254.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:56:02,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/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_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/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_18850edf-0fea-4324-9830-3a16a7a1189a/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 cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:56:04,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:56:04,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:56:04,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:56:04,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:56:04,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:56:04,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:56:04,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:56:04,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:56:04,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:56:04,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:56:04,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:56:04,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:56:04,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:56:04,742 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:04,743 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:56:04,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:56:04,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:04,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:56:04,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:56:04,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:56:04,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:56:04,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:04,744 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:56:04,744 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_18850edf-0fea-4324-9830-3a16a7a1189a/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 -> cefa2896cdbe73db397004945d1c4c4e84fdeccf49e16275e9444234f8acb776 [2024-12-05 23:56:04,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:56:05,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:56:05,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:56:05,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:56:05,010 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:56:05,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-12-05 23:56:07,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/9c5e07682/46c4e5905ff3402c91765a258700b698/FLAG28ed329bf [2024-12-05 23:56:08,053 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:56:08,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c [2024-12-05 23:56:08,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/9c5e07682/46c4e5905ff3402c91765a258700b698/FLAG28ed329bf [2024-12-05 23:56:08,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/data/9c5e07682/46c4e5905ff3402c91765a258700b698 [2024-12-05 23:56:08,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:56:08,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:56:08,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:08,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:56:08,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:56:08,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2424f7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08, skipping insertion in model container [2024-12-05 23:56:08,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:56:08,310 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_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-12-05 23:56:08,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:08,588 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:56:08,599 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_18850edf-0fea-4324-9830-3a16a7a1189a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.1.prop1-back-serstep.c[1172,1185] [2024-12-05 23:56:08,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:56:08,728 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:56:08,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08 WrapperNode [2024-12-05 23:56:08,728 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:56:08,729 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:08,729 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:56:08,729 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:56:08,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,852 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1994 [2024-12-05 23:56:08,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:56:08,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:56:08,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:56:08,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:56:08,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:56:08,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:56:08,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:56:08,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:56:08,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:56:08" (1/1) ... [2024-12-05 23:56:08,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:56:08,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:56:08,989 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:56:08,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:56:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:56:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:56:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:56:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:56:09,347 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:56:09,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:56:11,430 INFO L? ?]: Removed 189 outVars from TransFormulas that were not future-live. [2024-12-05 23:56:11,430 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:56:11,480 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:56:11,480 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:56:11,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:11 BoogieIcfgContainer [2024-12-05 23:56:11,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:56:11,481 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:56:11,481 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:56:11,490 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:56:11,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:11" (1/1) ... [2024-12-05 23:56:11,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:56:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:11,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:56:11,536 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:56:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:56:11,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:11,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:11,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:11,541 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:11,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:56:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:12,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:12,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:56:12,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:56:12,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:56:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:12,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:56:12,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:56:12,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:56:12,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:12,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:12,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:12,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:12,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18850edf-0fea-4324-9830-3a16a7a1189a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:56:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:13,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:14,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-05 23:56:14,035 INFO L279 TraceCheckSpWp]: Computing forward predicates...