./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.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_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/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_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/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_2310b792-bcc8-4c50-a11a-3094e7a8689b/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 b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:32:31,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:32:31,904 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 21:32:31,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:32:31,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:32:31,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:32:31,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:32:31,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:32:31,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:32:31,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:32:31,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:32:31,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:32:31,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:32:31,944 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:32:31,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:32:31,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:32:31,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:32:31,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:31,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:32:31,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:32:31,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:32:31,945 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:32:31,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:32:31,946 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/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 -> b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a [2024-11-13 21:32:32,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:32:32,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:32:32,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:32:32,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:32:32,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:32:32,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:32:34,544 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:32:35,251 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:32:35,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c [2024-11-13 21:32:35,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/eb973c83e/c1836edf5f1f4fe4bece0a0f3b72a6a5/FLAG23252281d [2024-11-13 21:32:35,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/eb973c83e/c1836edf5f1f4fe4bece0a0f3b72a6a5 [2024-11-13 21:32:35,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:32:35,325 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:32:35,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:35,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:32:35,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:32:35,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:35" (1/1) ... [2024-11-13 21:32:35,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e61e21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:35, skipping insertion in model container [2024-11-13 21:32:35,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:32:35" (1/1) ... [2024-11-13 21:32:35,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:32:35,810 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-13 21:32:36,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:36,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:32:36,592 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-13 21:32:36,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:32:37,002 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:32:37,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37 WrapperNode [2024-11-13 21:32:37,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:32:37,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:37,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:32:37,006 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:32:37,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:37,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,375 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7195 [2024-11-13 21:32:38,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:32:38,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:32:38,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:32:38,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:32:38,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:38,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:39,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:39,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:39,464 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:32:39,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:32:39,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:32:39,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:32:39,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:32:37" (1/1) ... [2024-11-13 21:32:39,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:32:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:32:39,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:32:39,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:32:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:32:39,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:32:39,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:32:39,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:32:40,406 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:32:40,409 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:33:03,275 INFO L? ?]: Removed 4174 outVars from TransFormulas that were not future-live. [2024-11-13 21:33:03,276 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:33:16,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:33:16,352 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:33:16,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:16 BoogieIcfgContainer [2024-11-13 21:33:16,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:33:16,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:33:16,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:33:16,368 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:33:16,368 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:33:16" (1/1) ... [2024-11-13 21:33:16,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:33:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:33:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:33:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:33:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:33:16,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:33:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:33:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:33:23,208 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 21:33:33,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:43,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:45,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:47,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:33:49,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:34:00,355 WARN L539 Checker$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 21:34:00,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:34:00,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-13 21:34:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-13 21:34:00,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:34:00,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:34:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:36:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:36:36,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:39:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:39:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:39:13,730 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 21:39:13,737 INFO L158 Benchmark]: Toolchain (without parser) took 398412.78ms. Allocated memory was 142.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 115.4MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-11-13 21:39:13,740 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:39:13,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1678.28ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 64.1MB in the end (delta: 51.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2024-11-13 21:39:13,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 1370.79ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 64.1MB in the beginning and 159.2MB in the end (delta: -95.2MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. [2024-11-13 21:39:13,743 INFO L158 Benchmark]: Boogie Preprocessor took 1087.01ms. Allocated memory is still 327.2MB. Free memory was 159.2MB in the beginning and 134.3MB in the end (delta: 25.0MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-11-13 21:39:13,744 INFO L158 Benchmark]: RCFGBuilder took 36887.12ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 134.3MB in the beginning and 1.1GB in the end (delta: -978.4MB). Peak memory consumption was 759.4MB. Max. memory is 16.1GB. [2024-11-13 21:39:13,748 INFO L158 Benchmark]: CodeCheck took 357382.20ms. Allocated memory was 1.8GB in the beginning and 3.5GB in the end (delta: 1.7GB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -387.8MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-13 21:39:13,751 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 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1678.28ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 64.1MB in the end (delta: 51.3MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1370.79ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 64.1MB in the beginning and 159.2MB in the end (delta: -95.2MB). Peak memory consumption was 146.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1087.01ms. Allocated memory is still 327.2MB. Free memory was 159.2MB in the beginning and 134.3MB in the end (delta: 25.0MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. * RCFGBuilder took 36887.12ms. Allocated memory was 327.2MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 134.3MB in the beginning and 1.1GB in the end (delta: -978.4MB). Peak memory consumption was 759.4MB. Max. memory is 16.1GB. * CodeCheck took 357382.20ms. Allocated memory was 1.8GB in the beginning and 3.5GB in the end (delta: 1.7GB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -387.8MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 21:39:13,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/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_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/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_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/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_2310b792-bcc8-4c50-a11a-3094e7a8689b/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 b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:39:16,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:39:16,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 21:39:16,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:39:16,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:39:16,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:39:16,799 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:39:16,799 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:39:16,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:39:16,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:39:16,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:39:16,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:39:16,802 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:39:16,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:39:16,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:16,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:39:16,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:39:16,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:39:16,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:39:16,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:16,803 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:39:16,803 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/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 -> b26e26dbf7dc885977ec2d6a2816dea8a53adb6f585f18bf6956c5119b4b491a [2024-11-13 21:39:17,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:39:17,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:39:17,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:39:17,160 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:39:17,160 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:39:17,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-13 21:39:19,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:39:19,455 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:39:19,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c [2024-11-13 21:39:19,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/c6919fbd9/4efd227e099c45b6a2f83290163a7127/FLAG1230feac4 [2024-11-13 21:39:19,599 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/data/c6919fbd9/4efd227e099c45b6a2f83290163a7127 [2024-11-13 21:39:19,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:39:19,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:39:19,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:19,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:39:19,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:39:19,610 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:19" (1/1) ... [2024-11-13 21:39:19,611 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34726bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:19, skipping insertion in model container [2024-11-13 21:39:19,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:39:19" (1/1) ... [2024-11-13 21:39:19,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:39:19,918 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-13 21:39:20,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:20,401 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:39:20,414 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_2310b792-bcc8-4c50-a11a-3094e7a8689b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.schedule_world.2.prop1-back-serstep.c[1182,1195] [2024-11-13 21:39:20,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:39:20,655 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:39:20,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20 WrapperNode [2024-11-13 21:39:20,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:39:20,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:20,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:39:20,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:39:20,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:20,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:20,899 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2811 [2024-11-13 21:39:20,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:39:20,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:39:20,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:39:20,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:39:20,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:20,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:20,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:20,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,031 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,041 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:39:21,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:39:21,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:39:21,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:39:21,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:39:20" (1/1) ... [2024-11-13 21:39:21,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:39:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:39:21,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:39:21,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:39:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:39:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:39:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:39:21,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:39:21,696 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:39:21,698 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:39:26,273 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-11-13 21:39:26,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:39:26,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:39:26,389 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:39:26,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:26 BoogieIcfgContainer [2024-11-13 21:39:26,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:39:26,391 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:39:26,391 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:39:26,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:39:26,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:39:26" (1/1) ... [2024-11-13 21:39:26,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:39:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 21:39:26,474 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 21:39:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:39:26,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:26,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:26,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:26,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:26,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:39:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:27,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:27,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 21:39:27,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:39:28,032 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 21:39:28,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:39:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:39:28,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-13 21:39:28,458 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-13 21:39:28,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:39:28,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:39:28,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:39:28,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:39:28,461 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:39:28,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2310b792-bcc8-4c50-a11a-3094e7a8689b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:39:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:30,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:39:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:39:30,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-11-13 21:39:30,819 INFO L278 TraceCheckSpWp]: Computing forward predicates...