./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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 d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:39:58,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:39:58,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:39:58,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:39:58,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:39:58,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:39:58,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:39:58,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:39:58,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:39:58,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:39:58,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:39:58,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:39:58,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:39:58,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:39:58,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:39:58,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:39:58,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:39:58,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:39:58,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:39:58,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:39:58,130 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:39:58,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:39:58,130 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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 -> d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e [2024-12-05 23:39:58,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:39:58,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:39:58,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:39:58,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:39:58,342 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:39:58,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2024-12-05 23:40:00,984 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/a5d13ffc4/76f058d8011642b9ac9ff4e8775e8204/FLAG7c54a0fac [2024-12-05 23:40:01,308 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:40:01,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2024-12-05 23:40:01,333 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/a5d13ffc4/76f058d8011642b9ac9ff4e8775e8204/FLAG7c54a0fac [2024-12-05 23:40:01,550 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/a5d13ffc4/76f058d8011642b9ac9ff4e8775e8204 [2024-12-05 23:40:01,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:40:01,553 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:40:01,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:40:01,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:40:01,558 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:40:01,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:01" (1/1) ... [2024-12-05 23:40:01,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1233a80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:01, skipping insertion in model container [2024-12-05 23:40:01,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:40:01" (1/1) ... [2024-12-05 23:40:01,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:40:01,786 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2024-12-05 23:40:02,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:40:02,153 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:40:02,160 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2024-12-05 23:40:02,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:40:02,382 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:40:02,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02 WrapperNode [2024-12-05 23:40:02,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:40:02,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:40:02,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:40:02,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:40:02,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:02,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,245 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11616 [2024-12-05 23:40:03,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:40:03,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:40:03,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:40:03,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:40:03,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:03,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:04,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:40:04,212 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:40:04,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:40:04,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:40:04,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:40:02" (1/1) ... [2024-12-05 23:40:04,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:40:04,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:40:04,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:40:04,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:40:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:40:04,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:40:04,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:40:04,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:40:04,818 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:40:04,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:40:20,098 INFO L? ?]: Removed 6187 outVars from TransFormulas that were not future-live. [2024-12-05 23:40:20,098 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:40:36,595 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:40:36,595 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:40:36,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:40:36 BoogieIcfgContainer [2024-12-05 23:40:36,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:40:36,596 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:40:36,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:40:36,603 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:40:36,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:40:36" (1/1) ... [2024-12-05 23:40:36,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:40:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:40:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:40:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:40:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:40:36,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:40:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:40:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:40:50,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:41:00,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:41:02,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:04,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:14,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:24,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:41:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:24,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:41:24,408 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:41:24,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:41:24,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:45:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:46:07,573 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:46:07,578 INFO L158 Benchmark]: Toolchain (without parser) took 366024.64ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 113.5MB in the beginning and 475.2MB in the end (delta: -361.7MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-05 23:46:07,579 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:46:07,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.40ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.0MB in the end (delta: 60.3MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-12-05 23:46:07,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 861.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 53.0MB in the beginning and 188.1MB in the end (delta: -135.1MB). Peak memory consumption was 282.3MB. Max. memory is 16.1GB. [2024-12-05 23:46:07,581 INFO L158 Benchmark]: Boogie Preprocessor took 965.61ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 188.1MB in the beginning and 516.9MB in the end (delta: -328.8MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2024-12-05 23:46:07,581 INFO L158 Benchmark]: RCFGBuilder took 32383.46ms. Allocated memory was 788.5MB in the beginning and 1.8GB in the end (delta: 1.0GB). Free memory was 516.9MB in the beginning and 578.6MB in the end (delta: -61.8MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2024-12-05 23:46:07,582 INFO L158 Benchmark]: CodeCheck took 330980.12ms. Allocated memory was 1.8GB in the beginning and 2.2GB in the end (delta: 360.7MB). Free memory was 578.6MB in the beginning and 475.2MB in the end (delta: 103.4MB). Peak memory consumption was 468.5MB. Max. memory is 16.1GB. [2024-12-05 23:46:07,586 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.40ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.0MB in the end (delta: 60.3MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 861.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 53.0MB in the beginning and 188.1MB in the end (delta: -135.1MB). Peak memory consumption was 282.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 965.61ms. Allocated memory was 427.8MB in the beginning and 788.5MB in the end (delta: 360.7MB). Free memory was 188.1MB in the beginning and 516.9MB in the end (delta: -328.8MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * RCFGBuilder took 32383.46ms. Allocated memory was 788.5MB in the beginning and 1.8GB in the end (delta: 1.0GB). Free memory was 516.9MB in the beginning and 578.6MB in the end (delta: -61.8MB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * CodeCheck took 330980.12ms. Allocated memory was 1.8GB in the beginning and 2.2GB in the end (delta: 360.7MB). Free memory was 578.6MB in the beginning and 475.2MB in the end (delta: 103.4MB). Peak memory consumption was 468.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:46:07,797 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:46:07,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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 d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:46:09,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:46:09,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:46:09,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:46:09,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:46:09,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:46:09,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:46:09,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:46:09,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:46:09,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:46:09,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:46:09,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:46:09,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:09,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:46:09,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:46:09,763 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:46:09,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:09,763 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:46:09,763 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/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 -> d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e [2024-12-05 23:46:09,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:46:09,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:46:09,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:46:09,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:46:09,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:46:09,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2024-12-05 23:46:12,600 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/bcbed2076/f1b9ee815b4e48c2bc44d41c8bec7847/FLAG5267e68db [2024-12-05 23:46:12,926 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:46:12,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2024-12-05 23:46:12,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/bcbed2076/f1b9ee815b4e48c2bc44d41c8bec7847/FLAG5267e68db [2024-12-05 23:46:13,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/data/bcbed2076/f1b9ee815b4e48c2bc44d41c8bec7847 [2024-12-05 23:46:13,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:46:13,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:46:13,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:13,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:46:13,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:46:13,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:13,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5694c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13, skipping insertion in model container [2024-12-05 23:46:13,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:13,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:46:13,405 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2024-12-05 23:46:13,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:13,723 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:46:13,733 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_978273ae-685d-4a5f-88bb-ab1570c8d4c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2024-12-05 23:46:13,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:46:13,921 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:46:13,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13 WrapperNode [2024-12-05 23:46:13,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:46:13,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:13,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:46:13,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:46:13,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:13,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,069 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3316 [2024-12-05 23:46:14,070 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:46:14,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:46:14,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:46:14,071 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:46:14,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,151 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:46:14,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:46:14,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:46:14,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:46:14,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:46:13" (1/1) ... [2024-12-05 23:46:14,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:46:14,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:46:14,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:46:14,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:46:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:46:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:46:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:46:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:46:14,768 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:46:14,769 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:46:18,963 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-05 23:46:18,963 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:46:19,024 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:46:19,025 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:46:19,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:19 BoogieIcfgContainer [2024-12-05 23:46:19,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:46:19,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:46:19,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:46:19,032 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:46:19,032 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:46:19" (1/1) ... [2024-12-05 23:46:19,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:46:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:46:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:46:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:46:19,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:19,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:19,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:19,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:19,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:46:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:20,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:20,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:46:20,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:46:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:46:20,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:46:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:46:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:46:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:46:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:46:21,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:46:21,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:46:21,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:46:21,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:46:21,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_978273ae-685d-4a5f-88bb-ab1570c8d4c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:46:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:22,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:46:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:46:22,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-05 23:46:22,913 INFO L279 TraceCheckSpWp]: Computing forward predicates...