./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:00,568 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:00,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:58:00,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:00,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:00,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:00,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:00,706 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:00,707 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:00,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:00,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:00,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:00,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:00,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:00,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:00,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:00,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:00,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:00,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:00,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:00,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:00,712 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:00,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:00,712 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_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-25 01:58:01,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:01,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:01,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:01,162 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:01,162 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:01,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-25 01:58:04,687 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/6a0788331/1592c5b9d0994cb395d43f9f96207bdc/FLAG99783c8e6 [2024-11-25 01:58:05,072 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:05,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-25 01:58:05,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/6a0788331/1592c5b9d0994cb395d43f9f96207bdc/FLAG99783c8e6 [2024-11-25 01:58:05,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/6a0788331/1592c5b9d0994cb395d43f9f96207bdc [2024-11-25 01:58:05,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:05,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:05,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:05,122 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:05,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:05,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d0033b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05, skipping insertion in model container [2024-11-25 01:58:05,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:05,341 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_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-25 01:58:05,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:05,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:05,405 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_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-25 01:58:05,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:05,448 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:05,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05 WrapperNode [2024-11-25 01:58:05,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:05,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:05,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:05,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:05,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,492 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-25 01:58:05,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:05,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:05,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:05,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:05,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,532 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:05,533 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:05,533 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:05,533 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:05,534 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:05,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:05,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:05,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:05,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 01:58:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 01:58:05,709 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:05,711 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:05,922 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:05,923 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:05,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:05,987 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:58:05,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:05 BoogieIcfgContainer [2024-11-25 01:58:05,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:05,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:05,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:06,006 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:06,006 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:05" (1/1) ... [2024-11-25 01:58:06,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:06,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 01:58:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 01:58:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:58:06,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:06,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 01:58:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 01:58:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:06,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:06,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:58:06,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 01:58:06,792 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 01:58:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:58:06,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:06,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:07,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-25 01:58:07,313 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 01:58:07,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:58:07,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-25 01:58:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 01:58:08,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 01:58:08,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:08,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:08,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 01:58:08,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 01:58:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 01:58:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 01:58:09,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:09,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:09,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 01:58:09,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:58:09,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 01:58:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 01:58:09,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 01:58:09,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:09,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:09,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:58:10,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-11-25 01:58:10,271 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 01:58:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 01:58:10,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:10,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:10,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 01:58:10,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:58:11,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-25 01:58:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-25 01:58:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 01:58:11,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:11,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:11,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 01:58:11,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:11,366 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:58:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-11-25 01:58:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-11-25 01:58:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 01:58:13,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:58:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-11-25 01:58:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-11-25 01:58:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 01:58:14,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:14,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:15,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 01:58:15,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 01:58:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:15,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-11-25 01:58:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-11-25 01:58:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 01:58:15,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:15,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:15,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 01:58:15,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 01:58:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:18,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-11-25 01:58:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-11-25 01:58:18,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 01:58:18,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:18,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 01:58:20,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:20,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-11-25 01:58:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-11-25 01:58:20,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 01:58:20,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:20,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 01:58:20,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:21,123 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 18 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:58:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-11-25 01:58:21,917 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-11-25 01:58:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-25 01:58:21,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:21,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:22,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 01:58:22,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 01:58:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-11-25 01:58:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-11-25 01:58:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-25 01:58:25,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:25,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 01:58:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:26,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-11-25 01:58:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-11-25 01:58:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 01:58:26,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:28,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 01:58:28,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 01:58:30,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-11-25 01:58:30,346 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-11-25 01:58:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-25 01:58:30,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:30,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:30,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 01:58:30,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 01:58:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:34,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-11-25 01:58:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-11-25 01:58:34,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-25 01:58:34,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:34,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:34,757 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 01:58:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-11-25 01:58:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-11-25 01:58:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 01:58:36,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:36,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:38,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 01:58:38,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:38,810 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 23 proven. 82 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 01:58:39,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 109 states and 199 transitions. [2024-11-25 01:58:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-11-25 01:58:39,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 01:58:39,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:39,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-25 01:58:39,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 13 proven. 79 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 01:58:44,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2024-11-25 01:58:44,498 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2024-11-25 01:58:44,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-25 01:58:44,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:44,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-25 01:58:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2024-11-25 01:58:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2024-11-25 01:58:47,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 01:58:47,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:47,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:47,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 01:58:47,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:48,405 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 42 proven. 107 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 01:58:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 234 transitions. [2024-11-25 01:58:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 234 transitions. [2024-11-25 01:58:49,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-25 01:58:49,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:49,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:49,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-25 01:58:49,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-25 01:58:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 254 transitions. [2024-11-25 01:58:54,599 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2024-11-25 01:58:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-25 01:58:54,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-25 01:58:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 262 transitions. [2024-11-25 01:58:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 262 transitions. [2024-11-25 01:58:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-25 01:58:57,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:57,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:59:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:59:07,270 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) [2024-11-25 01:59:07,280 INFO L158 Benchmark]: Toolchain (without parser) took 62157.74ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 92.7MB in the beginning and 219.1MB in the end (delta: -126.4MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-11-25 01:59:07,281 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:07,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.44ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:07,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.19ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:07,283 INFO L158 Benchmark]: Boogie Preprocessor took 38.76ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.1MB in the end (delta: 540.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:59:07,283 INFO L158 Benchmark]: RCFGBuilder took 454.36ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:59:07,285 INFO L158 Benchmark]: CodeCheck took 61287.21ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 67.1MB in the beginning and 219.1MB in the end (delta: -152.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-25 01:59:07,290 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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.44ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 81.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.19ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.76ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 79.1MB in the end (delta: 540.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.36ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 67.1MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 61287.21ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 67.1MB in the beginning and 219.1MB in the end (delta: -152.0MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 01:59:07,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3 --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 32bit --witnessprinter.graph.data.programhash e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:59:09,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:59:10,011 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 01:59:10,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:59:10,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:59:10,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:59:10,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:59:10,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:59:10,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:59:10,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:59:10,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:59:10,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:59:10,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:59:10,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:59:10,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:59:10,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:59:10,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:59:10,082 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:59:10,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:59:10,083 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:59:10,084 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:10,084 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:59:10,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:59:10,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:10,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:59:10,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:59:10,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:59:10,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:59:10,086 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:10,086 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:59:10,086 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_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-25 01:59:10,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:59:10,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:59:10,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:59:10,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:59:10,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:59:10,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-25 01:59:13,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/178a51431/66614ab443c343e9885c75df867f8528/FLAG5f6917008 [2024-11-25 01:59:13,736 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:59:13,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-25 01:59:13,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/178a51431/66614ab443c343e9885c75df867f8528/FLAG5f6917008 [2024-11-25 01:59:13,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/data/178a51431/66614ab443c343e9885c75df867f8528 [2024-11-25 01:59:13,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:59:13,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:59:14,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:14,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:59:14,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:59:14,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:13" (1/1) ... [2024-11-25 01:59:14,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bc2cbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14, skipping insertion in model container [2024-11-25 01:59:14,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:59:13" (1/1) ... [2024-11-25 01:59:14,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:59:14,210 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_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-25 01:59:14,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:14,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:59:14,272 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_830bf23c-4549-4817-93a8-aa3f76b711b9/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-25 01:59:14,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:59:14,315 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:59:14,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14 WrapperNode [2024-11-25 01:59:14,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:59:14,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:14,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:59:14,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:59:14,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,362 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-25 01:59:14,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:59:14,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:59:14,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:59:14,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:59:14,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,384 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:59:14,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:59:14,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:59:14,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:59:14,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:59:14" (1/1) ... [2024-11-25 01:59:14,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:59:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:59:14,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:59:14,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:59:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:59:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:59:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:59:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:59:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 01:59:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 01:59:14,546 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:59:14,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:59:15,070 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 01:59:15,070 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:59:15,149 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:59:15,150 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 01:59:15,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:15 BoogieIcfgContainer [2024-11-25 01:59:15,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:59:15,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:59:15,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:59:15,168 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:59:15,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:59:15" (1/1) ... [2024-11-25 01:59:15,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:59:15,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-25 01:59:15,231 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-25 01:59:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 01:59:15,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:15,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:15,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:15,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:15,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:59:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:15,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:15,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 01:59:15,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:15,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 01:59:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:15,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-25 01:59:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-25 01:59:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:59:15,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:15,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:15,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:15,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:15,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:59:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:16,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:16,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 01:59:16,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:16,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 01:59:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 01:59:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 01:59:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:59:18,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:18,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:18,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:18,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:18,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 01:59:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:19,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:19,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 01:59:19,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:19,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:19,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 01:59:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:59:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 01:59:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 01:59:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 01:59:20,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:59:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:59:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:59:20,470 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:59:20,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 01:59:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:20,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:59:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:59:21,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 01:59:21,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:59:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:59:41,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-25 02:00:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:00:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-25 02:00:18,400 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-25 02:00:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:00:18,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:00:18,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:00:18,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:00:18,403 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:00:18,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:00:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:19,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:00:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:00:19,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:00:19,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:00:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:00:21,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:01:14,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:01:23,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:01:23,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-11-25 02:01:23,782 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 02:01:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 02:01:23,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:01:23,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:01:23,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:01:23,785 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:01:23,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:01:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:24,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:01:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:01:24,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:01:24,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:01:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:01:27,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:02:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:02:42,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-25 02:02:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-25 02:02:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:02:42,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:02:42,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:02:42,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:02:42,144 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:02:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:02:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:43,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:02:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:02:43,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:02:43,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:02:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:02:49,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:03:45,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-11-25 02:03:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-11-25 02:03:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 02:03:45,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:45,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:45,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:45,266 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:03:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:46,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:03:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:03:47,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:03:47,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:03:50,139 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:03:50,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 02:04:54,419 WARN L286 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:05:13,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:05:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:05:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-11-25 02:05:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-11-25 02:05:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 02:05:29,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:05:29,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:05:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:05:29,391 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:05:29,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:05:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:30,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:05:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:05:31,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:05:31,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:05:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:05:37,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:08:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:08:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-11-25 02:08:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-11-25 02:08:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 02:08:21,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:08:21,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:08:21,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:08:21,870 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:08:21,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:08:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:23,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:08:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:08:24,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:08:24,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:08:32,717 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:08:32,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:09:08,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:10:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:10:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 61 states and 147 transitions. [2024-11-25 02:10:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 147 transitions. [2024-11-25 02:10:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 02:10:02,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:10:02,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:10:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:10:02,910 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:10:02,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:10:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:04,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:10:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:10:05,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 02:10:05,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:10:09,097 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:10:09,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:10:45,783 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:11:41,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 02:12:30,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:12:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 65 states and 158 transitions. [2024-11-25 02:12:30,368 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 158 transitions. [2024-11-25 02:12:30,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-25 02:12:30,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:12:30,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:12:30,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:12:30,376 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:12:30,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:12:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:12:32,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:12:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:12:33,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 02:12:33,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:12:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 02:12:44,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_830bf23c-4549-4817-93a8-aa3f76b711b9/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0