./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 194c78e05d2f7b76dcae21a4fa78cc4434982acb928d706441a970aa3e485794 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:12:41,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:12:41,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:12:41,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:12:41,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:12:41,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:12:41,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:12:41,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:12:41,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:12:41,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:12:41,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:12:41,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:12:41,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:12:41,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:41,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:12:41,451 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:12:41,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:12:41,452 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 194c78e05d2f7b76dcae21a4fa78cc4434982acb928d706441a970aa3e485794 [2024-12-05 22:12:41,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:12:41,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:12:41,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:12:41,659 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:12:41,660 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:12:41,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c [2024-12-05 22:12:44,247 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/b937312fb/0d0ab65694f044ec9c425fbe3a003def/FLAGe67bd4c7a [2024-12-05 22:12:44,566 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:12:44,566 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c [2024-12-05 22:12:44,591 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/b937312fb/0d0ab65694f044ec9c425fbe3a003def/FLAGe67bd4c7a [2024-12-05 22:12:44,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/b937312fb/0d0ab65694f044ec9c425fbe3a003def [2024-12-05 22:12:44,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:12:44,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:12:44,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:44,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:12:44,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:12:44,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:44" (1/1) ... [2024-12-05 22:12:44,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405caa55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:44, skipping insertion in model container [2024-12-05 22:12:44,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:12:44" (1/1) ... [2024-12-05 22:12:44,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:12:45,063 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c[1170,1183] [2024-12-05 22:12:45,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:45,548 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:12:45,556 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c[1170,1183] [2024-12-05 22:12:45,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:12:45,867 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:12:45,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45 WrapperNode [2024-12-05 22:12:45,868 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:12:45,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:45,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:12:45,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:12:45,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:46,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,089 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13165 [2024-12-05 22:12:47,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:12:47,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:12:47,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:12:47,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:12:47,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,732 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:47,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:48,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:48,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:48,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:12:48,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:12:48,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:12:48,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:12:48,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:12:45" (1/1) ... [2024-12-05 22:12:48,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:12:48,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:12:48,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:12:48,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:12:48,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:12:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:12:48,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:12:48,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:12:49,057 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:12:49,059 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:13:10,425 INFO L? ?]: Removed 7234 outVars from TransFormulas that were not future-live. [2024-12-05 22:13:10,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:13:30,530 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:13:30,531 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:13:30,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:30 BoogieIcfgContainer [2024-12-05 22:13:30,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:13:30,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:13:30,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:13:30,539 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:13:30,539 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:30" (1/1) ... [2024-12-05 22:13:30,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:13:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:30,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:13:30,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:13:30,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:13:30,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:30,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:13:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:13:48,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:13:58,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 22:14:08,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:14,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:21,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:27,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:29,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:39,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:14:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:14:39,283 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:14:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:14:39,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:14:39,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:23:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 22:23:47,744 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:23:47,747 INFO L158 Benchmark]: Toolchain (without parser) took 662940.03ms. Allocated memory was 117.4MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 86.8MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-12-05 22:23:47,748 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:23:47,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.41ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 86.8MB in the beginning and 66.2MB in the end (delta: 20.6MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. [2024-12-05 22:23:47,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 1221.05ms. Allocated memory was 201.3MB in the beginning and 478.2MB in the end (delta: 276.8MB). Free memory was 66.2MB in the beginning and 195.7MB in the end (delta: -129.5MB). Peak memory consumption was 243.8MB. Max. memory is 16.1GB. [2024-12-05 22:23:47,750 INFO L158 Benchmark]: Boogie Preprocessor took 1254.56ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 587.2MB). Free memory was 195.7MB in the beginning and 684.8MB in the end (delta: -489.1MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2024-12-05 22:23:47,750 INFO L158 Benchmark]: RCFGBuilder took 42185.89ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 671.1MB). Free memory was 684.8MB in the beginning and 830.2MB in the end (delta: -145.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-05 22:23:47,751 INFO L158 Benchmark]: CodeCheck took 617213.66ms. Allocated memory was 1.7GB in the beginning and 3.5GB in the end (delta: 1.7GB). Free memory was 830.2MB in the beginning and 2.5GB in the end (delta: -1.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-05 22:23:47,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.41ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 86.8MB in the beginning and 66.2MB in the end (delta: 20.6MB). Peak memory consumption was 102.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1221.05ms. Allocated memory was 201.3MB in the beginning and 478.2MB in the end (delta: 276.8MB). Free memory was 66.2MB in the beginning and 195.7MB in the end (delta: -129.5MB). Peak memory consumption was 243.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1254.56ms. Allocated memory was 478.2MB in the beginning and 1.1GB in the end (delta: 587.2MB). Free memory was 195.7MB in the beginning and 684.8MB in the end (delta: -489.1MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. * RCFGBuilder took 42185.89ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 671.1MB). Free memory was 684.8MB in the beginning and 830.2MB in the end (delta: -145.4MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 617213.66ms. Allocated memory was 1.7GB in the beginning and 3.5GB in the end (delta: 1.7GB). Free memory was 830.2MB in the beginning and 2.5GB in the end (delta: -1.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 22:23:47,966 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 22:23:48,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 194c78e05d2f7b76dcae21a4fa78cc4434982acb928d706441a970aa3e485794 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:23:49,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:23:49,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:23:50,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:23:50,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:23:50,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:23:50,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:23:50,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:23:50,013 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:23:50,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:23:50,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:23:50,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:50,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:23:50,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:23:50,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:23:50,015 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:23:50,015 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:50,015 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:23:50,015 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 194c78e05d2f7b76dcae21a4fa78cc4434982acb928d706441a970aa3e485794 [2024-12-05 22:23:50,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:23:50,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:23:50,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:23:50,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:23:50,277 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:23:50,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c [2024-12-05 22:23:52,964 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/145eae77e/0fb241825ba649e39c517755104cfd61/FLAG5f8004f8e [2024-12-05 22:23:53,277 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:23:53,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c [2024-12-05 22:23:53,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/145eae77e/0fb241825ba649e39c517755104cfd61/FLAG5f8004f8e [2024-12-05 22:23:53,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/data/145eae77e/0fb241825ba649e39c517755104cfd61 [2024-12-05 22:23:53,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:23:53,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:23:53,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:53,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:23:53,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:23:53,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:53" (1/1) ... [2024-12-05 22:23:53,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f9da58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:53, skipping insertion in model container [2024-12-05 22:23:53,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:23:53" (1/1) ... [2024-12-05 22:23:53,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:23:53,534 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c[1170,1183] [2024-12-05 22:23:53,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:53,898 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:23:53,910 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_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.3.prop1-back-serstep.c[1170,1183] [2024-12-05 22:23:54,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:23:54,124 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:23:54,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54 WrapperNode [2024-12-05 22:23:54,125 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:23:54,125 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:54,126 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:23:54,126 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:23:54,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,320 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4069 [2024-12-05 22:23:54,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:23:54,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:23:54,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:23:54,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:23:54,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,353 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:23:54,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:23:54,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:23:54,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:23:54,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:23:54" (1/1) ... [2024-12-05 22:23:54,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:23:54,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:23:54,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:23:54,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:23:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:23:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:23:54,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:23:54,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:23:55,130 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:23:55,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:24:00,314 INFO L? ?]: Removed 373 outVars from TransFormulas that were not future-live. [2024-12-05 22:24:00,314 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:24:00,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:24:00,398 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:24:00,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:24:00 BoogieIcfgContainer [2024-12-05 22:24:00,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:24:00,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:24:00,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:24:00,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:24:00,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:24:00" (1/1) ... [2024-12-05 22:24:00,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:24:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:00,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:24:00,447 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:24:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:24:00,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:00,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:00,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:00,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:00,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:24:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:01,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:01,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 22:24:01,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:24:01,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:24:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:02,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:24:02,364 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:24:02,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:24:02,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:02,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:02,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:02,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:02,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98b0b96c-e8a8-4da9-9936-8fc6a20929e5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:24:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:04,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:04,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-12-05 22:24:04,615 INFO L279 TraceCheckSpWp]: Computing forward predicates...