./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:09:01,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:09:01,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:09:01,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:09:01,751 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:09:01,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:09:01,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:09:01,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:09:01,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:09:01,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:09:01,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:09:01,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:09:01,771 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:09:01,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:09:01,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:09:01,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:09:01,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:01,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:09:01,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:09:01,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:09:01,773 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:09:01,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:09:01,773 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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 -> 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb [2024-12-06 04:09:02,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:09:02,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:09:02,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:09:02,024 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:09:02,024 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:09:02,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2024-12-06 04:09:04,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/449416843/07bba195127b4c67a24acf13d53add86/FLAGb66499c75 [2024-12-06 04:09:04,973 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:09:04,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2024-12-06 04:09:04,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/449416843/07bba195127b4c67a24acf13d53add86/FLAGb66499c75 [2024-12-06 04:09:05,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/449416843/07bba195127b4c67a24acf13d53add86 [2024-12-06 04:09:05,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:09:05,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:09:05,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:05,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:09:05,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:09:05,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:05" (1/1) ... [2024-12-06 04:09:05,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440f1847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:05, skipping insertion in model container [2024-12-06 04:09:05,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:09:05" (1/1) ... [2024-12-06 04:09:05,313 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:09:05,489 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188] [2024-12-06 04:09:05,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:05,858 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:09:05,865 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188] [2024-12-06 04:09:06,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:09:06,069 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:09:06,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06 WrapperNode [2024-12-06 04:09:06,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:09:06,071 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:06,071 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:09:06,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:09:06,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:06,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:06,760 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10857 [2024-12-06 04:09:06,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:09:06,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:09:06,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:09:06,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:09:06,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:06,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:06,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:06,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,285 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,696 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:09:07,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:09:07,699 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:09:07,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:09:07,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:09:06" (1/1) ... [2024-12-06 04:09:07,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:09:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:09:07,736 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:09:07,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:09:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:09:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:09:07,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:09:07,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:09:08,322 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:09:08,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:09:23,074 INFO L? ?]: Removed 5757 outVars from TransFormulas that were not future-live. [2024-12-06 04:09:23,075 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:09:38,622 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:09:38,622 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:09:38,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:38 BoogieIcfgContainer [2024-12-06 04:09:38,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:09:38,623 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:09:38,623 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:09:38,630 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:09:38,631 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:09:38" (1/1) ... [2024-12-06 04:09:38,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:09:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:09:38,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:09:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:09:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:09:38,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:09:38,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:09:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:09:43,327 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 04:09:53,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:10:03,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 04:10:06,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:10:07,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:10:09,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:10:12,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:10:22,574 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 04:10:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:10:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:10:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:10:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:10:22,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:10:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:14:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:15:00,263 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 04:15:00,268 INFO L158 Benchmark]: Toolchain (without parser) took 355027.78ms. Allocated memory was 142.6MB in the beginning and 4.2GB in the end (delta: 4.1GB). Free memory was 112.2MB in the beginning and 2.5GB in the end (delta: -2.4GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 04:15:00,268 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 04:15:00,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.54ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 64.3MB in the end (delta: 47.7MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2024-12-06 04:15:00,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 689.68ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.3MB in the beginning and 116.8MB in the end (delta: -52.5MB). Peak memory consumption was 225.0MB. Max. memory is 16.1GB. [2024-12-06 04:15:00,270 INFO L158 Benchmark]: Boogie Preprocessor took 935.99ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 116.8MB in the beginning and 504.0MB in the end (delta: -387.2MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2024-12-06 04:15:00,271 INFO L158 Benchmark]: RCFGBuilder took 30923.90ms. Allocated memory was 788.5MB in the beginning and 2.9GB in the end (delta: 2.1GB). Free memory was 504.0MB in the beginning and 2.3GB in the end (delta: -1.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2024-12-06 04:15:00,271 INFO L158 Benchmark]: CodeCheck took 321643.96ms. Allocated memory was 2.9GB in the beginning and 4.2GB in the end (delta: 1.3GB). Free memory was 2.3GB in the beginning and 2.5GB in the end (delta: -212.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-12-06 04:15:00,274 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 829.54ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 64.3MB in the end (delta: 47.7MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 689.68ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 64.3MB in the beginning and 116.8MB in the end (delta: -52.5MB). Peak memory consumption was 225.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 935.99ms. Allocated memory was 343.9MB in the beginning and 788.5MB in the end (delta: 444.6MB). Free memory was 116.8MB in the beginning and 504.0MB in the end (delta: -387.2MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. * RCFGBuilder took 30923.90ms. Allocated memory was 788.5MB in the beginning and 2.9GB in the end (delta: 2.1GB). Free memory was 504.0MB in the beginning and 2.3GB in the end (delta: -1.8GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * CodeCheck took 321643.96ms. Allocated memory was 2.9GB in the beginning and 4.2GB in the end (delta: 1.3GB). Free memory was 2.3GB in the beginning and 2.5GB in the end (delta: -212.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:15:00,485 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 04:15:00,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:15:02,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:15:02,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:15:02,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:15:02,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:15:02,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:15:02,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:15:02,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:15:02,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:15:02,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:15:02,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:15:02,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:02,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:15:02,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:15:02,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:02,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:15:02,512 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/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 -> 9d3a39933dd248e732cc5af1d7e7b7cbafc228ea71a1da8985e4e5b81d49bafb [2024-12-06 04:15:02,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:15:02,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:15:02,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:15:02,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:15:02,766 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:15:02,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2024-12-06 04:15:05,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/d518e3312/047063b5e89048f4b421078e2288cd4c/FLAG3c32aca7b [2024-12-06 04:15:05,775 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:15:05,775 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c [2024-12-06 04:15:05,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/d518e3312/047063b5e89048f4b421078e2288cd4c/FLAG3c32aca7b [2024-12-06 04:15:05,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/data/d518e3312/047063b5e89048f4b421078e2288cd4c [2024-12-06 04:15:05,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:15:05,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:15:05,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:05,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:15:05,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:15:05,822 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:05" (1/1) ... [2024-12-06 04:15:05,823 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2820ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:05, skipping insertion in model container [2024-12-06 04:15:05,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:15:05" (1/1) ... [2024-12-06 04:15:05,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:15:06,053 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188] [2024-12-06 04:15:06,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:06,348 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:15:06,356 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_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-back-serstep.c[1175,1188] [2024-12-06 04:15:06,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:15:06,522 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:15:06,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06 WrapperNode [2024-12-06 04:15:06,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:15:06,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:06,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:15:06,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:15:06,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,674 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3041 [2024-12-06 04:15:06,674 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:15:06,675 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:15:06,675 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:15:06,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:15:06,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,706 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,756 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:15:06,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:15:06,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:15:06,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:15:06,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:15:06" (1/1) ... [2024-12-06 04:15:06,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:15:06,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:15:06,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:15:06,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:15:06,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:15:06,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:15:07,342 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:15:07,344 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:15:13,143 INFO L? ?]: Removed 264 outVars from TransFormulas that were not future-live. [2024-12-06 04:15:13,143 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:15:13,231 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:15:13,231 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:15:13,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:13 BoogieIcfgContainer [2024-12-06 04:15:13,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:15:13,232 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:15:13,232 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:15:13,240 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:15:13,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:15:13" (1/1) ... [2024-12-06 04:15:13,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:15:13,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:15:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:15:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:15:13,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:13,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:15:13,284 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:15:13,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:15:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:14,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:15:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:14,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 04:15:14,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:15:14,514 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 04:15:14,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:15:15,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 04:15:15,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:15:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:15:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:15:15,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:15:15,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:15:15,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:15:15,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:15:15,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:15:15,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5767ed-2bd5-4b9f-a5a8-bd893a60afd7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:15:17,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:17,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:15:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:15:18,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 04:15:18,438 INFO L279 TraceCheckSpWp]: Computing forward predicates...