./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-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_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/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_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/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_66220771-8e66-4d9a-b118-fe75069690fd/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 f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:41:35,399 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:41:35,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 01:41:35,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:41:35,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:41:35,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:41:35,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:41:35,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:41:35,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:41:35,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:41:35,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:41:35,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:41:35,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:41:35,481 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:35,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:41:35,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:41:35,481 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_66220771-8e66-4d9a-b118-fe75069690fd/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 -> f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84 [2024-12-06 01:41:35,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:41:35,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:41:35,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:41:35,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:41:35,733 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:41:35,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c [2024-12-06 01:41:38,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/a44c17826/705789f0b9f04c4287564d3d2f7bede1/FLAG9b8558696 [2024-12-06 01:41:38,709 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:41:38,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c [2024-12-06 01:41:38,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/a44c17826/705789f0b9f04c4287564d3d2f7bede1/FLAG9b8558696 [2024-12-06 01:41:38,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/a44c17826/705789f0b9f04c4287564d3d2f7bede1 [2024-12-06 01:41:38,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:41:38,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:41:38,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:38,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:41:38,930 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:41:38,931 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:38" (1/1) ... [2024-12-06 01:41:38,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368f2b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:38, skipping insertion in model container [2024-12-06 01:41:38,932 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:41:38" (1/1) ... [2024-12-06 01:41:38,979 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:41:39,140 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_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c[1172,1185] [2024-12-06 01:41:39,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:39,543 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:41:39,552 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_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c[1172,1185] [2024-12-06 01:41:39,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:41:39,805 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:41:39,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39 WrapperNode [2024-12-06 01:41:39,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:41:39,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:39,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:41:39,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:41:39,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:39,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:40,725 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11613 [2024-12-06 01:41:40,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:41:40,725 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:41:40,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:41:40,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:41:40,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:40,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:40,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:40,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:41:41,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:41:41,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:41:41,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:41:41,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:41:39" (1/1) ... [2024-12-06 01:41:41,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:41:41,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:41:41,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:41:41,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:41:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:41:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:41:41,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:41:41,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:41:42,240 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:41:42,242 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:41:57,404 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-12-06 01:41:57,404 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:42:14,046 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:42:14,046 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:42:14,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:42:14 BoogieIcfgContainer [2024-12-06 01:42:14,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:42:14,047 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:42:14,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:42:14,054 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:42:14,054 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:42:14" (1/1) ... [2024-12-06 01:42:14,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:42:14,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:42:14,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:42:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:42:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:42:14,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:42:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:42:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:42:24,072 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 01:42:34,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:42:44,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 01:42:45,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:42:55,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:00,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:10,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:20,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:43:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:43:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 01:43:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 01:43:20,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:43:20,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:43:20,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:47:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:48:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:48:07,461 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 01:48:07,464 INFO L158 Benchmark]: Toolchain (without parser) took 388537.02ms. Allocated memory was 142.6MB in the beginning and 6.2GB in the end (delta: 6.1GB). Free memory was 114.5MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-06 01:48:07,464 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:48:07,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 879.14ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 54.1MB in the end (delta: 60.2MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2024-12-06 01:48:07,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 917.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 54.1MB in the beginning and 199.2MB in the end (delta: -145.1MB). Peak memory consumption was 314.3MB. Max. memory is 16.1GB. [2024-12-06 01:48:07,465 INFO L158 Benchmark]: Boogie Preprocessor took 886.33ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 199.2MB in the beginning and 516.2MB in the end (delta: -317.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2024-12-06 01:48:07,466 INFO L158 Benchmark]: RCFGBuilder took 32432.87ms. Allocated memory was 788.5MB in the beginning and 1.5GB in the end (delta: 755.0MB). Free memory was 516.2MB in the beginning and 268.4MB in the end (delta: 247.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 01:48:07,466 INFO L158 Benchmark]: CodeCheck took 353415.72ms. Allocated memory was 1.5GB in the beginning and 6.2GB in the end (delta: 4.7GB). Free memory was 268.4MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 946.9MB. Max. memory is 16.1GB. [2024-12-06 01:48:07,469 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 879.14ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 54.1MB in the end (delta: 60.2MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 917.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 54.1MB in the beginning and 199.2MB in the end (delta: -145.1MB). Peak memory consumption was 314.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 886.33ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 199.2MB in the beginning and 516.2MB in the end (delta: -317.0MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * RCFGBuilder took 32432.87ms. Allocated memory was 788.5MB in the beginning and 1.5GB in the end (delta: 755.0MB). Free memory was 516.2MB in the beginning and 268.4MB in the end (delta: 247.8MB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 353415.72ms. Allocated memory was 1.5GB in the beginning and 6.2GB in the end (delta: 4.7GB). Free memory was 268.4MB in the beginning and 4.0GB in the end (delta: -3.7GB). Peak memory consumption was 946.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:48:07,680 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 01:48:07,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/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_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/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_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/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_66220771-8e66-4d9a-b118-fe75069690fd/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 f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:09,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:09,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 01:48:09,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:09,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:48:09,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:48:09,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:09,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:09,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:09,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:48:09,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:09,826 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:09,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:48:09,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:09,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:48:09,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:48:09,828 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:09,828 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:48:09,828 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_66220771-8e66-4d9a-b118-fe75069690fd/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 -> f03e5a29bcf90a714db52baff14426b68d12214af694e1204885abc393810e84 [2024-12-06 01:48:10,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:10,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:10,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:10,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:10,070 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:10,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c [2024-12-06 01:48:12,686 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/1fbf9607f/3292d7d6bbd34237be40275f1e309c49/FLAGb439d580b [2024-12-06 01:48:13,015 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:13,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c [2024-12-06 01:48:13,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/1fbf9607f/3292d7d6bbd34237be40275f1e309c49/FLAGb439d580b [2024-12-06 01:48:13,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/data/1fbf9607f/3292d7d6bbd34237be40275f1e309c49 [2024-12-06 01:48:13,047 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:13,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:13,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:13,049 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:13,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:13,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad4de25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13, skipping insertion in model container [2024-12-06 01:48:13,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:13,244 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_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c[1172,1185] [2024-12-06 01:48:13,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:13,544 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:13,551 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_66220771-8e66-4d9a-b118-fe75069690fd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.2.prop2-back-serstep.c[1172,1185] [2024-12-06 01:48:13,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:13,713 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:13,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13 WrapperNode [2024-12-06 01:48:13,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:13,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:13,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:13,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:13,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,843 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3313 [2024-12-06 01:48:13,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:13,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:13,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:13,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:13,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,916 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:13,964 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:13,964 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:13,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:13,965 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:13" (1/1) ... [2024-12-06 01:48:13,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:13,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:13,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:13,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:48:14,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:14,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:14,496 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:14,498 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:18,867 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:18,867 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:18,965 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:18,965 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:48:18,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:18 BoogieIcfgContainer [2024-12-06 01:48:18,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:18,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:18,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:18,975 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:18,975 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:18" (1/1) ... [2024-12-06 01:48:18,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:19,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:19,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 01:48:19,025 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 01:48:19,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:48:19,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:19,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:19,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:19,031 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:19,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:48:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:19,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:20,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 01:48:20,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:48:20,364 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 01:48:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:48:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:21,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 01:48:21,090 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 01:48:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 01:48:21,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:48:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:48:21,093 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:48:21,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66220771-8e66-4d9a-b118-fe75069690fd/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:48:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:22,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:48:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:23,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-06 01:48:23,236 INFO L279 TraceCheckSpWp]: Computing forward predicates...