./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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 cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:35:45,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:35:45,591 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:35:45,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:35:45,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:35:45,647 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:35:45,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:35:45,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:35:45,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:35:45,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:35:45,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:35:45,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:35:45,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:35:45,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:35:45,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:35:45,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:35:45,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:35:45,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:35:45,655 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:35:45,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:35:45,656 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:35:45,656 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:35:45,657 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:35:45,657 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:35:45,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:45,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:35:45,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:35:45,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:35:45,658 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:35:45,659 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:35:45,659 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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 -> cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 [2024-11-13 20:35:46,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:35:46,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:35:46,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:35:46,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:35:46,142 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:35:46,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c Unable to find full path for "g++" [2024-11-13 20:35:48,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:35:49,087 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:35:49,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-11-13 20:35:49,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/66e6885d9/87172135097e442dac8f871ac2967e15/FLAGcdc96a00d [2024-11-13 20:35:49,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/66e6885d9/87172135097e442dac8f871ac2967e15 [2024-11-13 20:35:49,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:35:49,139 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:35:49,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:49,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:35:49,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:35:49,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:49" (1/1) ... [2024-11-13 20:35:49,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b743e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:49, skipping insertion in model container [2024-11-13 20:35:49,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:35:49" (1/1) ... [2024-11-13 20:35:49,235 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:35:49,519 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 20:35:50,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:50,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:35:50,059 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 20:35:50,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:35:50,313 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:35:50,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50 WrapperNode [2024-11-13 20:35:50,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:35:50,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:50,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:35:50,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:35:50,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:50,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:50,946 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2958 [2024-11-13 20:35:50,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:35:50,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:35:50,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:35:50,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:35:50,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:50,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:35:51,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:35:51,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:35:51,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:35:51,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:35:50" (1/1) ... [2024-11-13 20:35:51,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:35:51,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:35:51,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:35:51,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:35:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:35:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:35:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:35:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:35:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:35:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:35:52,370 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:35:52,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:35:58,108 INFO L? ?]: Removed 1620 outVars from TransFormulas that were not future-live. [2024-11-13 20:35:58,108 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:04,475 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:04,476 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:36:04,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:04 BoogieIcfgContainer [2024-11-13 20:36:04,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:04,478 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:04,479 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:04,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:04,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:04" (1/1) ... [2024-11-13 20:36:04,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 20:36:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 20:36:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:36:04,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:04,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 20:36:15,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:26,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:36,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:46,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:48,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:36:58,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:37:08,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:37:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-13 20:37:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-13 20:37:08,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:37:08,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:40,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:38:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:38:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:38:25,882 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 20:38:25,885 INFO L158 Benchmark]: Toolchain (without parser) took 156746.93ms. Allocated memory was 117.4MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 90.0MB in the beginning and 933.6MB in the end (delta: -843.7MB). Peak memory consumption was 598.8MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,886 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:25,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.33ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 39.6MB in the end (delta: 50.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 631.97ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 39.6MB in the beginning and 52.8MB in the end (delta: -13.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,887 INFO L158 Benchmark]: Boogie Preprocessor took 806.73ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 52.8MB in the beginning and 195.0MB in the end (delta: -142.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,888 INFO L158 Benchmark]: RCFGBuilder took 12720.07ms. Allocated memory was 285.2MB in the beginning and 419.4MB in the end (delta: 134.2MB). Free memory was 195.0MB in the beginning and 115.8MB in the end (delta: 79.1MB). Peak memory consumption was 268.0MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,889 INFO L158 Benchmark]: CodeCheck took 141406.28ms. Allocated memory was 419.4MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 115.8MB in the beginning and 933.6MB in the end (delta: -817.8MB). Peak memory consumption was 321.3MB. Max. memory is 16.1GB. [2024-11-13 20:38:25,891 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 0.42ms. Allocated memory is still 83.9MB. Free memory is still 42.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.33ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 39.6MB in the end (delta: 50.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 631.97ms. Allocated memory was 117.4MB in the beginning and 125.8MB in the end (delta: 8.4MB). Free memory was 39.6MB in the beginning and 52.8MB in the end (delta: -13.2MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 806.73ms. Allocated memory was 125.8MB in the beginning and 285.2MB in the end (delta: 159.4MB). Free memory was 52.8MB in the beginning and 195.0MB in the end (delta: -142.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * RCFGBuilder took 12720.07ms. Allocated memory was 285.2MB in the beginning and 419.4MB in the end (delta: 134.2MB). Free memory was 195.0MB in the beginning and 115.8MB in the end (delta: 79.1MB). Peak memory consumption was 268.0MB. Max. memory is 16.1GB. * CodeCheck took 141406.28ms. Allocated memory was 419.4MB in the beginning and 1.6GB in the end (delta: 1.1GB). Free memory was 115.8MB in the beginning and 933.6MB in the end (delta: -817.8MB). Peak memory consumption was 321.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:38:25,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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 cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:38:28,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:38:28,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 20:38:28,772 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:38:28,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:38:28,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:38:28,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:38:28,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:38:28,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:38:28,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:38:28,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:38:28,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:38:28,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:38:28,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:38:28,776 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:38:28,777 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:38:28,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:38:28,778 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:38:28,779 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:38:28,779 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:38:28,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:38:28,779 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/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 -> cb83f5d7087c4b0d43604a15de3bb5b701cd940862e59390412bf16eeaebebc9 [2024-11-13 20:38:29,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:38:29,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:38:29,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:38:29,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:38:29,125 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:38:29,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c Unable to find full path for "g++" [2024-11-13 20:38:31,129 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:38:31,505 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:38:31,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c [2024-11-13 20:38:31,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/c99390bcb/2299c1c439b44db0b26fe43a9fbee738/FLAGeb3043011 [2024-11-13 20:38:31,706 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/data/c99390bcb/2299c1c439b44db0b26fe43a9fbee738 [2024-11-13 20:38:31,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:38:31,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:38:31,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:38:31,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:38:31,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:38:31,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:38:31" (1/1) ... [2024-11-13 20:38:31,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734b5c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:31, skipping insertion in model container [2024-11-13 20:38:31,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:38:31" (1/1) ... [2024-11-13 20:38:31,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:38:31,959 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 20:38:32,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:38:32,281 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:38:32,294 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_66d66550-f5e9-4e29-9a16-783ab4ecd46d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d8_e0.c[1270,1283] [2024-11-13 20:38:32,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:38:32,501 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:38:32,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32 WrapperNode [2024-11-13 20:38:32,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:38:32,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:38:32,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:38:32,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:38:32,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,631 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1206 [2024-11-13 20:38:32,631 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:38:32,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:38:32,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:38:32,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:38:32,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:38:32,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:38:32,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:38:32,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:38:32,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:38:32" (1/1) ... [2024-11-13 20:38:32,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:38:32,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:38:32,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:38:32,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:38:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:38:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:38:32,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:38:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:38:32,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:38:32,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:38:33,164 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:38:33,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:38:34,475 INFO L? ?]: Removed 425 outVars from TransFormulas that were not future-live. [2024-11-13 20:38:34,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:38:34,560 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:38:34,562 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:38:34,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:38:34 BoogieIcfgContainer [2024-11-13 20:38:34,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:38:34,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:38:34,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:38:34,580 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:38:34,581 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:38:34" (1/1) ... [2024-11-13 20:38:34,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:38:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:34,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 20:38:34,668 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 20:38:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:38:34,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:34,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:38:34,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:38:34,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:38:34,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:38:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:35,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:38:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:35,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 20:38:35,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 20:38:36,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:38:36,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-13 20:38:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-13 20:38:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:38:36,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:36,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:38:36,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:38:36,955 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:38:36,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:38:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:38,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:38:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:38,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 20:38:38,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2024-11-13 20:38:39,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:38:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:38:42,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 103 transitions. [2024-11-13 20:38:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 103 transitions. [2024-11-13 20:38:42,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 20:38:42,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:38:42,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:38:42,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:38:42,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:38:42,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:38:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:44,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:38:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:45,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 122 conjuncts are in the unsatisfiable core [2024-11-13 20:38:45,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 44 proven. 73 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2024-11-13 20:38:52,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 20:39:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:39:10,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 115 states and 190 transitions. [2024-11-13 20:39:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2024-11-13 20:39:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 20:39:10,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:39:10,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:39:10,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:39:10,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:39:10,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66d66550-f5e9-4e29-9a16-783ab4ecd46d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:39:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:12,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:39:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:39:13,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 355 conjuncts are in the unsatisfiable core [2024-11-13 20:39:13,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:01,526 WARN L286 SmtUtils]: Spent 3.92m on a formula simplification. DAG size of input: 466 DAG size of output: 404 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:46:31,189 WARN L286 SmtUtils]: Spent 2.30m on a formula simplification that was a NOOP. DAG size: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:48:48,400 WARN L286 SmtUtils]: Spent 2.07m on a formula simplification that was a NOOP. DAG size: 433 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)