./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-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_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/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_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/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_98abb33a-ef55-489a-a9a1-eaceced551cf/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 c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:09:31,396 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:09:31,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:09:31,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:09:31,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:09:31,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:09:31,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:09:31,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:09:31,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:09:31,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:09:31,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:09:31,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:09:31,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:09:31,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:31,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:09:31,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:09:31,492 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_98abb33a-ef55-489a-a9a1-eaceced551cf/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 -> c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 [2024-12-06 00:09:31,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:09:31,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:09:31,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:09:31,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:09:31,751 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:09:31,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-12-06 00:09:34,372 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/c801a6f50/392fb07f4fc041bd9fce7bad5e85a490/FLAG45ddbe194 [2024-12-06 00:09:34,658 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:09:34,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-12-06 00:09:34,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/c801a6f50/392fb07f4fc041bd9fce7bad5e85a490/FLAG45ddbe194 [2024-12-06 00:09:34,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/c801a6f50/392fb07f4fc041bd9fce7bad5e85a490 [2024-12-06 00:09:34,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:09:34,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:09:34,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:34,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:09:34,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:09:34,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:34" (1/1) ... [2024-12-06 00:09:34,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267fdbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:34, skipping insertion in model container [2024-12-06 00:09:34,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:09:34" (1/1) ... [2024-12-06 00:09:34,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:09:34,908 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_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-12-06 00:09:35,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:35,241 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:09:35,252 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_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-12-06 00:09:35,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:09:35,445 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:09:35,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35 WrapperNode [2024-12-06 00:09:35,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:09:35,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:35,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:09:35,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:09:35,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:35,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,114 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8189 [2024-12-06 00:09:36,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:09:36,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:09:36,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:09:36,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:09:36,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:09:36,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:09:36,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:09:36,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:09:36,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:09:35" (1/1) ... [2024-12-06 00:09:36,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:09:36,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:09:36,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:09:36,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:09:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:09:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:09:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:09:36,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:09:37,219 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:09:37,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:09:47,344 INFO L? ?]: Removed 4306 outVars from TransFormulas that were not future-live. [2024-12-06 00:09:47,344 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:09:57,723 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:09:57,723 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:09:57,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:57 BoogieIcfgContainer [2024-12-06 00:09:57,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:09:57,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:09:57,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:09:57,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:09:57,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:09:57" (1/1) ... [2024-12-06 00:09:57,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:09:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:09:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:09:57,777 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:09:57,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:09:57,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:09:57,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:09:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:10:11,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:21,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:25,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:28,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:38,284 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 [] [2024-12-06 00:10:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:10:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:10:38,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:10:38,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:38,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:12:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:12:39,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:14:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:15:01,545 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) [2024-12-06 00:15:01,549 INFO L158 Benchmark]: Toolchain (without parser) took 326857.95ms. Allocated memory was 142.6MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 113.6MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 957.3MB. Max. memory is 16.1GB. [2024-12-06 00:15:01,550 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:01,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.36ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 68.8MB in the end (delta: 44.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. [2024-12-06 00:15:01,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 667.77ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 68.8MB in the beginning and 177.6MB in the end (delta: -108.8MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. [2024-12-06 00:15:01,551 INFO L158 Benchmark]: Boogie Preprocessor took 579.92ms. Allocated memory is still 335.5MB. Free memory was 177.6MB in the beginning and 130.4MB in the end (delta: 47.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2024-12-06 00:15:01,552 INFO L158 Benchmark]: RCFGBuilder took 21027.97ms. Allocated memory was 335.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 130.4MB in the beginning and 1.1GB in the end (delta: -986.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-12-06 00:15:01,552 INFO L158 Benchmark]: CodeCheck took 303824.47ms. 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 2.5GB in the end (delta: -1.4GB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. [2024-12-06 00:15:01,554 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 0.34ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.36ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 68.8MB in the end (delta: 44.7MB). Peak memory consumption was 88.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 667.77ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 68.8MB in the beginning and 177.6MB in the end (delta: -108.8MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 579.92ms. Allocated memory is still 335.5MB. Free memory was 177.6MB in the beginning and 130.4MB in the end (delta: 47.2MB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. * RCFGBuilder took 21027.97ms. Allocated memory was 335.5MB in the beginning and 1.8GB in the end (delta: 1.5GB). Free memory was 130.4MB in the beginning and 1.1GB in the end (delta: -986.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * CodeCheck took 303824.47ms. 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 2.5GB in the end (delta: -1.4GB). Peak memory consumption was 271.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:15:01,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/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_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/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_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/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_98abb33a-ef55-489a-a9a1-eaceced551cf/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 c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:03,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:03,743 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:15:03,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:03,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:03,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:03,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:03,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:03,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:15:03,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:03,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:03,770 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:15:03,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:03,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:03,771 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:15:03,771 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_98abb33a-ef55-489a-a9a1-eaceced551cf/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 -> c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 [2024-12-06 00:15:03,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:04,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:04,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:04,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:04,005 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:04,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-12-06 00:15:06,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/6d5b4ac99/890c10f43d77452db8100897237d84de/FLAGf056119b0 [2024-12-06 00:15:06,989 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:06,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-12-06 00:15:07,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/6d5b4ac99/890c10f43d77452db8100897237d84de/FLAGf056119b0 [2024-12-06 00:15:07,217 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/data/6d5b4ac99/890c10f43d77452db8100897237d84de [2024-12-06 00:15:07,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:07,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:07,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:07,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:07,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:07,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2721bbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07, skipping insertion in model container [2024-12-06 00:15:07,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:07,424 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_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-12-06 00:15:07,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:07,687 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:07,697 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_98abb33a-ef55-489a-a9a1-eaceced551cf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-12-06 00:15:07,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:07,846 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:07,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07 WrapperNode [2024-12-06 00:15:07,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:07,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:07,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:07,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:07,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,951 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2233 [2024-12-06 00:15:07,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:07,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:07,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:07,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:07,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:07,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,029 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:08,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:08,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:08,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:08,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:07" (1/1) ... [2024-12-06 00:15:08,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:08,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:08,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:08,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:15:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:15:08,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:08,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:08,465 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:08,467 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:11,041 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:11,041 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:11,117 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:11,117 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:15:11,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:11 BoogieIcfgContainer [2024-12-06 00:15:11,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:11,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:11,118 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:11,127 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:11,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:11" (1/1) ... [2024-12-06 00:15:11,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:15:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:15:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:15:11,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:11,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:11,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:11,183 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:15:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:11,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:12,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:15:12,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:12,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:12,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:15:12,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:12,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:15:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:15:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:15:12,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:12,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:12,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:12,556 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98abb33a-ef55-489a-a9a1-eaceced551cf/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:15:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:13,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:13,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 00:15:14,002 INFO L279 TraceCheckSpWp]: Computing forward predicates...