./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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 fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:56:11,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:56:11,548 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:56:11,552 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:56:11,553 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:56:11,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:56:11,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:56:11,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:56:11,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:56:11,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:56:11,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:56:11,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:56:11,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:56:11,574 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:11,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:56:11,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:56:11,574 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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 -> fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd [2024-12-06 00:56:11,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:56:11,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:56:11,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:56:11,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:56:11,803 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:56:11,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-12-06 00:56:14,466 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/de3ad9bb1/e219d11adb4e4120927ee82a0f22d11b/FLAG4feae4b22 [2024-12-06 00:56:14,778 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:56:14,778 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-12-06 00:56:14,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/de3ad9bb1/e219d11adb4e4120927ee82a0f22d11b/FLAG4feae4b22 [2024-12-06 00:56:15,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/de3ad9bb1/e219d11adb4e4120927ee82a0f22d11b [2024-12-06 00:56:15,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:56:15,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:56:15,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:15,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:56:15,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:56:15,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:15,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e0efc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15, skipping insertion in model container [2024-12-06 00:56:15,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:15,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:56:15,296 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:56:15,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:15,691 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:56:15,701 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-12-06 00:56:15,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:56:15,960 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:56:15,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15 WrapperNode [2024-12-06 00:56:15,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:56:15,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:15,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:56:15,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:56:15,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:16,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:16,784 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11622 [2024-12-06 00:56:16,784 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:56:16,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:56:16,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:56:16,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:56:16,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:16,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,307 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,351 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,434 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:56:17,655 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:56:17,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:56:17,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:56:17,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:56:15" (1/1) ... [2024-12-06 00:56:17,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:56:17,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:56:17,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:56:17,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:56:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:56:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:56:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:56:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:56:18,281 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:56:18,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:56:40,225 INFO L? ?]: Removed 6190 outVars from TransFormulas that were not future-live. [2024-12-06 00:56:40,225 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:57:02,494 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:57:02,494 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:57:02,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:02 BoogieIcfgContainer [2024-12-06 00:57:02,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:57:02,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:57:02,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:57:02,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:57:02,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:57:02" (1/1) ... [2024-12-06 00:57:02,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:57:02,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:57:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:57:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:57:02,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:57:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:09,236 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 00:57:19,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.60s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:29,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:57:32,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:57:35,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:57:40,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:57:50,769 WARN L539 Checker$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 00:58:00,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:58:00,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:00,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:58:00,855 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:58:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:58:00,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:04:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:04:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:04:35,934 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 01:04:35,941 INFO L158 Benchmark]: Toolchain (without parser) took 500883.99ms. Allocated memory was 117.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 88.2MB in the beginning and 449.4MB in the end (delta: -361.2MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 01:04:35,942 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:04:35,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.38ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.2MB in the beginning and 124.5MB in the end (delta: -36.3MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-12-06 01:04:35,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 821.94ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 124.5MB in the beginning and 485.4MB in the end (delta: -360.9MB). Peak memory consumption was 216.7MB. Max. memory is 16.1GB. [2024-12-06 01:04:35,945 INFO L158 Benchmark]: Boogie Preprocessor took 869.63ms. Allocated memory is still 704.6MB. Free memory was 485.4MB in the beginning and 430.9MB in the end (delta: 54.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-12-06 01:04:35,946 INFO L158 Benchmark]: RCFGBuilder took 44839.64ms. Allocated memory was 704.6MB in the beginning and 2.9GB in the end (delta: 2.2GB). Free memory was 430.4MB in the beginning and 1.1GB in the end (delta: -658.5MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2024-12-06 01:04:35,946 INFO L158 Benchmark]: CodeCheck took 453444.17ms. Allocated memory was 2.9GB in the beginning and 2.2GB in the end (delta: -679.5MB). Free memory was 1.1GB in the beginning and 449.4MB in the end (delta: 639.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:04:35,951 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 0.28ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 904.38ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.2MB in the beginning and 124.5MB in the end (delta: -36.3MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 821.94ms. Allocated memory was 234.9MB in the beginning and 704.6MB in the end (delta: 469.8MB). Free memory was 124.5MB in the beginning and 485.4MB in the end (delta: -360.9MB). Peak memory consumption was 216.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 869.63ms. Allocated memory is still 704.6MB. Free memory was 485.4MB in the beginning and 430.9MB in the end (delta: 54.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * RCFGBuilder took 44839.64ms. Allocated memory was 704.6MB in the beginning and 2.9GB in the end (delta: 2.2GB). Free memory was 430.4MB in the beginning and 1.1GB in the end (delta: -658.5MB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. * CodeCheck took 453444.17ms. Allocated memory was 2.9GB in the beginning and 2.2GB in the end (delta: -679.5MB). Free memory was 1.1GB in the beginning and 449.4MB in the end (delta: 639.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:04:36,167 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:04:36,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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 fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:04:38,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:04:38,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:04:38,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:04:38,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:04:38,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:04:38,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:04:38,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:04:38,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:04:38,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:04:38,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:04:38,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:04:38,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:38,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:04:38,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:04:38,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:04:38,295 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:04:38,295 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:38,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:04:38,295 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/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 -> fbc9735f3652cc1fb98823fc91e123b9928252d325c775fc65fb083910f2c6fd [2024-12-06 01:04:38,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:04:38,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:04:38,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:04:38,562 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:04:38,562 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:04:38,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-12-06 01:04:41,270 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/d3195b7ee/cca82cc8fa8f4ee9aaf01c6663675524/FLAG4a9de5519 [2024-12-06 01:04:41,591 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:04:41,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c [2024-12-06 01:04:41,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/d3195b7ee/cca82cc8fa8f4ee9aaf01c6663675524/FLAG4a9de5519 [2024-12-06 01:04:41,828 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/data/d3195b7ee/cca82cc8fa8f4ee9aaf01c6663675524 [2024-12-06 01:04:41,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:04:41,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:04:41,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:41,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:04:41,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:04:41,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:41" (1/1) ... [2024-12-06 01:04:41,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e46079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:41, skipping insertion in model container [2024-12-06 01:04:41,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:04:41" (1/1) ... [2024-12-06 01:04:41,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:04:42,085 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-12-06 01:04:42,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:42,444 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:04:42,452 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_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop1-back-serstep.c[1172,1185] [2024-12-06 01:04:42,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:04:42,671 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:04:42,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42 WrapperNode [2024-12-06 01:04:42,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:04:42,673 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:42,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:04:42,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:04:42,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,859 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3314 [2024-12-06 01:04:42,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:04:42,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:04:42,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:04:42,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:04:42,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,982 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:42,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:43,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:43,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:43,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:04:43,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:04:43,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:04:43,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:04:43,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:04:42" (1/1) ... [2024-12-06 01:04:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:04:43,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:04:43,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:04:43,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:04:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:04:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:04:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:04:43,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:04:43,672 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:04:43,673 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:04:49,576 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 01:04:49,576 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:04:49,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:04:49,695 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:04:49,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:49 BoogieIcfgContainer [2024-12-06 01:04:49,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:04:49,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:04:49,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:04:49,708 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:04:49,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:04:49" (1/1) ... [2024-12-06 01:04:49,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:04:49,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:04:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:04:49,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:04:49,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:49,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:49,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:49,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:04:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:50,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:51,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:04:51,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:51,277 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 01:04:51,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:04:52,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:04:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:04:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:04:52,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:52,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:52,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:52,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747cdeb2-5b71-4969-bc3d-0ca13bf355e6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:04:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:53,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:54,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-06 01:04:54,031 INFO L279 TraceCheckSpWp]: Computing forward predicates...