./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm --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 ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:02:48,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:02:48,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:02:48,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:02:48,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:02:48,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:02:48,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:02:48,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:02:48,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:02:48,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:02:48,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:02:48,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:02:48,763 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:02:48,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:02:48,763 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:02:48,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:02:48,764 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:02:48,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:02:48,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:02:48,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:48,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:02:48,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:02:48,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:02:48,765 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:02:48,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:02:48,765 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm 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 -> ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e [2024-11-13 21:02:49,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:02:49,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:02:49,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:02:49,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:02:49,108 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:02:49,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:02:51,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:02:51,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:02:51,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-11-13 21:02:52,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/cfe89823b/3de42256a14245f5a199ce864ec420b5/FLAG4b81260ea [2024-11-13 21:02:52,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/cfe89823b/3de42256a14245f5a199ce864ec420b5 [2024-11-13 21:02:52,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:02:52,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:02:52,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:52,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:02:52,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:02:52,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b920a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:52, skipping insertion in model container [2024-11-13 21:02:52,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:02:52" (1/1) ... [2024-11-13 21:02:52,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:02:52,821 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-11-13 21:02:53,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:53,429 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:02:53,438 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-11-13 21:02:53,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:02:53,820 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:02:53,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53 WrapperNode [2024-11-13 21:02:53,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:02:53,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:53,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:02:53,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:02:53,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:53,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,003 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8288 [2024-11-13 21:02:55,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:02:55,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:02:55,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:02:55,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:02:55,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,651 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,727 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:02:55,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:02:55,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:02:55,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:02:55,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:02:53" (1/1) ... [2024-11-13 21:02:55,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:02:55,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:02:56,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:02:56,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:02:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:02:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:02:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:02:56,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:02:56,779 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:02:56,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:03:10,121 INFO L? ?]: Removed 4654 outVars from TransFormulas that were not future-live. [2024-11-13 21:03:10,121 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:03:27,096 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:03:27,096 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:03:27,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:27 BoogieIcfgContainer [2024-11-13 21:03:27,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:03:27,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:03:27,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:03:27,118 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:03:27,118 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:03:27" (1/1) ... [2024-11-13 21:03:27,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:03:27,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:03:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:03:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:03:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:03:27,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:03:27,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:03:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:03:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:03:44,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:03:54,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:03:59,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:04:09,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:04:13,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:04:23,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:04:33,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:04:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:04:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:04:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:04:33,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:33,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:08:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:08:15,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:11:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:11:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:11:50,583 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:11:50,590 INFO L158 Benchmark]: Toolchain (without parser) took 538114.52ms. Allocated memory was 142.6MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 116.0MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2024-11-13 21:11:50,591 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 106.0MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:11:50,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.28ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 78.7MB in the end (delta: 36.9MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. [2024-11-13 21:11:50,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 1182.06ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 78.7MB in the beginning and 160.8MB in the end (delta: -82.1MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. [2024-11-13 21:11:50,593 INFO L158 Benchmark]: Boogie Preprocessor took 967.92ms. Allocated memory is still 335.5MB. Free memory was 160.8MB in the beginning and 114.8MB in the end (delta: 46.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2024-11-13 21:11:50,593 INFO L158 Benchmark]: RCFGBuilder took 31123.24ms. Allocated memory was 335.5MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 114.8MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-13 21:11:50,594 INFO L158 Benchmark]: CodeCheck took 503490.03ms. Allocated memory was 3.9GB in the beginning and 6.4GB in the end (delta: 2.4GB). Free memory was 3.0GB in the beginning and 3.6GB in the end (delta: -591.5MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2024-11-13 21:11:50,598 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 0.29ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 106.0MB in the end (delta: 216.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.28ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 78.7MB in the end (delta: 36.9MB). Peak memory consumption was 118.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1182.06ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 78.7MB in the beginning and 160.8MB in the end (delta: -82.1MB). Peak memory consumption was 187.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 967.92ms. Allocated memory is still 335.5MB. Free memory was 160.8MB in the beginning and 114.8MB in the end (delta: 46.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * RCFGBuilder took 31123.24ms. Allocated memory was 335.5MB in the beginning and 3.9GB in the end (delta: 3.6GB). Free memory was 114.8MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 503490.03ms. Allocated memory was 3.9GB in the beginning and 6.4GB in the end (delta: 2.4GB). Free memory was 3.0GB in the beginning and 3.6GB in the end (delta: -591.5MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:11:50,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm --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 ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:11:53,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:11:53,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:11:54,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:11:54,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:11:54,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:11:54,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:11:54,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:11:54,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:11:54,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:11:54,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:11:54,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:11:54,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:11:54,011 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:11:54,012 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:11:54,012 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:11:54,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:54,013 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:11:54,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:54,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:11:54,014 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:11:54,014 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm 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 -> ad671121a638008e2e698fb69ee2ad515d2120442abdc1331e78de004518567e [2024-11-13 21:11:54,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:11:54,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:11:54,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:11:54,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:11:54,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:11:54,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:11:56,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:11:56,939 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:11:56,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2024-11-13 21:11:56,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/63e1ef327/6a4a18d19a3b42ef95ff52e2f1c45d38/FLAGa02ce127e [2024-11-13 21:11:57,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/data/63e1ef327/6a4a18d19a3b42ef95ff52e2f1c45d38 [2024-11-13 21:11:57,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:11:57,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:11:57,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:57,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:11:57,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:11:57,016 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:57" (1/1) ... [2024-11-13 21:11:57,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0b7cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:57, skipping insertion in model container [2024-11-13 21:11:57,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:11:57" (1/1) ... [2024-11-13 21:11:57,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:11:57,403 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-11-13 21:11:57,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:57,930 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:11:57,940 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_967e3754-9315-4a64-a7a1-c60bd1c99fd5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1173,1186] [2024-11-13 21:11:58,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:11:58,199 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:11:58,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58 WrapperNode [2024-11-13 21:11:58,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:11:58,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:58,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:11:58,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:11:58,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,469 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2808 [2024-11-13 21:11:58,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:11:58,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:11:58,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:11:58,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:11:58,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,630 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:11:58,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:11:58,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:11:58,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:11:58,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:11:58" (1/1) ... [2024-11-13 21:11:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:11:58,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:11:58,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:11:58,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:11:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:11:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:11:58,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:11:58,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:11:59,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:11:59,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:12:05,188 INFO L? ?]: Removed 278 outVars from TransFormulas that were not future-live. [2024-11-13 21:12:05,189 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:12:05,353 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:12:05,354 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:12:05,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:05 BoogieIcfgContainer [2024-11-13 21:12:05,355 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:12:05,356 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:12:05,357 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:12:05,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:12:05,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:05" (1/1) ... [2024-11-13 21:12:05,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:12:05,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:12:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:12:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:12:05,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:05,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:05,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:05,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:05,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:12:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:06,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:07,269 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:12:07,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:12:07,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:12:07,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:12:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:12:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:12:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:12:07,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:07,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:07,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:12:07,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:12:07,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_967e3754-9315-4a64-a7a1-c60bd1c99fd5/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:12:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:09,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:12:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:10,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 21:12:10,760 INFO L278 TraceCheckSpWp]: Computing forward predicates...