./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.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_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/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_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/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_9719fbfa-14e7-4c74-8140-55fff4876e4b/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 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:31:58,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:31:59,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:31:59,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:31:59,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:31:59,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:31:59,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:31:59,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:31:59,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:31:59,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:31:59,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:31:59,119 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:31:59,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:31:59,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:31:59,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:31:59,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:31:59,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:31:59,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:31:59,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:31:59,120 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/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 -> 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 [2024-11-13 21:31:59,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:31:59,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:31:59,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:31:59,465 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:31:59,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:31:59,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:32:01,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:01,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:01,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-11-13 21:32:01,865 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/717835eab/dbddbffda1fa406d97e18b5fa21a1059/FLAG6ab7cdf68 [2024-11-13 21:32:01,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/717835eab/dbddbffda1fa406d97e18b5fa21a1059 [2024-11-13 21:32:01,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:01,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:01,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:01,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:01,906 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:01,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:01" (1/1) ... [2024-11-13 21:32:01,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb8d3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:01, skipping insertion in model container [2024-11-13 21:32:01,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:01" (1/1) ... [2024-11-13 21:32:02,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:02,245 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-11-13 21:32:02,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:02,870 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:02,880 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-11-13 21:32:03,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:03,138 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:03,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03 WrapperNode [2024-11-13 21:32:03,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:03,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:03,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:03,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:03,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:03,213 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:04,332 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8783 [2024-11-13 21:32:04,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:04,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:04,335 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:04,335 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:04,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:04,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:04,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:04,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:05,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:05,454 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:05,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:05,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:03" (1/1) ... [2024-11-13 21:32:05,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:05,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:05,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:05,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:32:05,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:05,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:06,207 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:06,209 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:32:20,166 INFO L? ?]: Removed 4900 outVars from TransFormulas that were not future-live. [2024-11-13 21:32:20,166 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:32:36,000 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:32:36,001 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:32:36,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:36 BoogieIcfgContainer [2024-11-13 21:32:36,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:32:36,003 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:32:36,003 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:32:36,013 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:32:36,014 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:32:36" (1/1) ... [2024-11-13 21:32:36,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:32:36,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:32:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:32:36,086 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:32:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:32:36,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:32:36,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:32:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:32:50,904 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 21:33:01,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:11,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:15,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:16,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:17,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:27,901 WARN L539 Checker$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 21:33:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:33:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:33:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:33:27,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:27,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:36:54,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:40:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:40:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:40:39,147 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 21:40:39,152 INFO L158 Benchmark]: Toolchain (without parser) took 517256.18ms. Allocated memory was 117.4MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 88.1MB in the beginning and 879.7MB in the end (delta: -791.7MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-11-13 21:40:39,153 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:40:39,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1240.55ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 49.3MB in the end (delta: 38.7MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2024-11-13 21:40:39,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 1195.18ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.3MB in the beginning and 66.5MB in the end (delta: -17.2MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. [2024-11-13 21:40:39,155 INFO L158 Benchmark]: Boogie Preprocessor took 1117.37ms. Allocated memory was 251.7MB in the beginning and 880.8MB in the end (delta: 629.1MB). Free memory was 66.5MB in the beginning and 643.3MB in the end (delta: -576.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2024-11-13 21:40:39,156 INFO L158 Benchmark]: RCFGBuilder took 30548.45ms. Allocated memory was 880.8MB in the beginning and 1.1GB in the end (delta: 184.5MB). Free memory was 643.3MB in the beginning and 317.2MB in the end (delta: 326.1MB). Peak memory consumption was 799.2MB. Max. memory is 16.1GB. [2024-11-13 21:40:39,156 INFO L158 Benchmark]: CodeCheck took 483148.17ms. Allocated memory was 1.1GB in the beginning and 3.1GB in the end (delta: 2.1GB). Free memory was 317.2MB in the beginning and 879.7MB in the end (delta: -562.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-13 21:40:39,160 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 0.40ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1240.55ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 49.3MB in the end (delta: 38.7MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1195.18ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 49.3MB in the beginning and 66.5MB in the end (delta: -17.2MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1117.37ms. Allocated memory was 251.7MB in the beginning and 880.8MB in the end (delta: 629.1MB). Free memory was 66.5MB in the beginning and 643.3MB in the end (delta: -576.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * RCFGBuilder took 30548.45ms. Allocated memory was 880.8MB in the beginning and 1.1GB in the end (delta: 184.5MB). Free memory was 643.3MB in the beginning and 317.2MB in the end (delta: 326.1MB). Peak memory consumption was 799.2MB. Max. memory is 16.1GB. * CodeCheck took 483148.17ms. Allocated memory was 1.1GB in the beginning and 3.1GB in the end (delta: 2.1GB). Free memory was 317.2MB in the beginning and 879.7MB in the end (delta: -562.5MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:40:39,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/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_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/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_9719fbfa-14e7-4c74-8140-55fff4876e4b/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 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:40:42,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:40:42,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:40:42,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:40:42,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:40:42,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:40:42,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:40:42,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:40:42,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:40:42,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:40:42,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:40:42,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:40:42,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:40:42,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:40:42,848 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:40:42,848 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:40:42,848 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:40:42,848 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:40:42,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:40:42,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:40:42,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:40:42,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:40:42,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:40:42,850 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:42,850 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:40:42,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:40:42,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:40:42,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:40:42,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:40:42,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:40:42,851 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:40:42,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:42,851 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:40:42,851 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/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 -> 983636dcfb5c49d7e1dd4044f6cc4b74c29f46badd7848ab318787f87ec479c1 [2024-11-13 21:40:43,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:40:43,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:40:43,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:40:43,305 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:40:43,306 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:40:43,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:40:45,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:40:45,929 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:40:45,930 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c [2024-11-13 21:40:45,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/e2b90ecbd/322c85af2a74422885c829991861daf2/FLAG26bde40c2 [2024-11-13 21:40:45,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/data/e2b90ecbd/322c85af2a74422885c829991861daf2 [2024-11-13 21:40:45,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:40:45,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:40:45,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:40:45,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:40:46,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:40:46,005 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:40:45" (1/1) ... [2024-11-13 21:40:46,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7620dfd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:46, skipping insertion in model container [2024-11-13 21:40:46,007 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:40:45" (1/1) ... [2024-11-13 21:40:46,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:40:46,412 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-11-13 21:40:47,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:40:47,044 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:40:47,056 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_9719fbfa-14e7-4c74-8140-55fff4876e4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.6.prop1-back-serstep.c[1174,1187] [2024-11-13 21:40:47,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:40:47,407 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:40:47,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47 WrapperNode [2024-11-13 21:40:47,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:40:47,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:40:47,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:40:47,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:40:47,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,488 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,686 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2983 [2024-11-13 21:40:47,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:40:47,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:40:47,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:40:47,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:40:47,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,823 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:40:47,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:40:47,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:40:47,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:40:47,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:40:47" (1/1) ... [2024-11-13 21:40:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:40:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:40:47,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:40:47,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:40:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:40:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:40:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:40:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:40:48,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:40:48,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:40:55,089 INFO L? ?]: Removed 275 outVars from TransFormulas that were not future-live. [2024-11-13 21:40:55,090 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:40:55,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:40:55,220 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:40:55,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:40:55 BoogieIcfgContainer [2024-11-13 21:40:55,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:40:55,222 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:40:55,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:40:55,234 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:40:55,235 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:40:55" (1/1) ... [2024-11-13 21:40:55,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:40:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:40:55,304 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:40:55,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:40:55,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:55,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:55,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:55,314 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:55,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:40:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:56,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:40:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:40:57,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 21:40:57,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:40:57,146 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 21:40:57,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:40:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:40:57,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:40:57,894 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:40:57,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:40:57,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:40:57,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:40:57,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:40:57,898 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:40:57,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9719fbfa-14e7-4c74-8140-55fff4876e4b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:41:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:00,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:41:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:41:00,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-11-13 21:41:00,931 INFO L278 TraceCheckSpWp]: Computing forward predicates...