./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:08:34,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:08:35,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:08:35,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:08:35,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:08:35,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:08:35,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:08:35,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:08:35,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:08:35,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:08:35,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:08:35,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:08:35,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:08:35,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:35,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:08:35,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:08:35,050 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:08:35,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:08:35,050 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-12-05 23:08:35,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:08:35,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:08:35,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:08:35,302 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:08:35,303 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:08:35,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-12-05 23:08:38,016 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/c61230ed5/b8a0c31a1e064003979db7f036236ab6/FLAG37210bd5b [2024-12-05 23:08:38,218 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:08:38,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-12-05 23:08:38,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/c61230ed5/b8a0c31a1e064003979db7f036236ab6/FLAG37210bd5b [2024-12-05 23:08:38,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/c61230ed5/b8a0c31a1e064003979db7f036236ab6 [2024-12-05 23:08:38,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:08:38,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:08:38,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:38,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:08:38,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:08:38,248 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d928a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38, skipping insertion in model container [2024-12-05 23:08:38,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,263 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:08:38,399 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-12-05 23:08:38,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:38,425 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:08:38,435 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-12-05 23:08:38,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:08:38,455 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:08:38,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38 WrapperNode [2024-12-05 23:08:38,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:08:38,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:38,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:08:38,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:08:38,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,482 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-12-05 23:08:38,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:08:38,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:08:38,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:08:38,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:08:38,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,493 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,497 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:08:38,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:08:38,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:08:38,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:08:38,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:08:38,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:08:38,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:08:38,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:08:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:08:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:08:38,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:08:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:08:38,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:08:38,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:08:38,610 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:08:38,612 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:08:38,709 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:08:38,709 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:08:38,736 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:08:38,736 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:08:38,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:38 BoogieIcfgContainer [2024-12-05 23:08:38,736 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:08:38,737 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:08:38,737 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:08:38,745 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:08:38,745 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:08:38" (1/1) ... [2024-12-05 23:08:38,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:08:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:38,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 23:08:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 23:08:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:08:38,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:38,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:38,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:08:38,930 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:08:38,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:08:38,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:38,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:38,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:08:38,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:39,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:39,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 23:08:39,145 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 23:08:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:08:39,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:39,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:39,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-12-05 23:08:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-12-05 23:08:39,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:08:39,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:39,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-12-05 23:08:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-12-05 23:08:40,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:08:40,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:40,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:08:40,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:40,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:08:40,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:40,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-12-05 23:08:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-05 23:08:40,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:08:40,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:40,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:08:40,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:08:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:40,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-05 23:08:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-05 23:08:40,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:08:40,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:40,764 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:08:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:41,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2024-12-05 23:08:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-12-05 23:08:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:08:41,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:41,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:41,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 23:08:41,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:08:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-12-05 23:08:41,705 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-12-05 23:08:41,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:08:41,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:41,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:41,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:08:41,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:41,910 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:08:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2024-12-05 23:08:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2024-12-05 23:08:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:08:43,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:43,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:43,290 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-05 23:08:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 51 states and 87 transitions. [2024-12-05 23:08:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2024-12-05 23:08:43,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:08:43,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:43,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:43,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:08:43,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:08:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 55 states and 94 transitions. [2024-12-05 23:08:44,669 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2024-12-05 23:08:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:08:44,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:44,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:08:44,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:08:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 65 states and 114 transitions. [2024-12-05 23:08:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 114 transitions. [2024-12-05 23:08:46,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 23:08:46,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 23:08:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 69 states and 122 transitions. [2024-12-05 23:08:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2024-12-05 23:08:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 23:08:47,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:47,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:47,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-05 23:08:47,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:08:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 73 states and 129 transitions. [2024-12-05 23:08:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2024-12-05 23:08:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-12-05 23:08:48,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:48,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-05 23:08:48,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:48,681 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:08:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 149 transitions. [2024-12-05 23:08:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 149 transitions. [2024-12-05 23:08:50,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 23:08:50,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:50,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-05 23:08:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:51,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 87 states and 157 transitions. [2024-12-05 23:08:51,878 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 157 transitions. [2024-12-05 23:08:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 23:08:51,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:52,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-05 23:08:52,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-05 23:08:53,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:53,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 91 states and 164 transitions. [2024-12-05 23:08:53,218 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 164 transitions. [2024-12-05 23:08:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 23:08:53,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:53,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:53,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:08:53,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 23:08:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:56,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 101 states and 184 transitions. [2024-12-05 23:08:56,066 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 184 transitions. [2024-12-05 23:08:56,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 23:08:56,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:56,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-05 23:08:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 105 states and 192 transitions. [2024-12-05 23:08:57,472 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 192 transitions. [2024-12-05 23:08:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 23:08:57,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:57,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 23:08:57,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 26 proven. 79 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 23:08:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 109 states and 199 transitions. [2024-12-05 23:08:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 199 transitions. [2024-12-05 23:08:58,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 23:08:58,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:08:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:08:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:58,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-05 23:08:58,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 13 proven. 79 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 23:09:01,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 119 states and 219 transitions. [2024-12-05 23:09:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 219 transitions. [2024-12-05 23:09:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-05 23:09:01,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:01,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 14 proven. 72 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-05 23:09:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 123 states and 227 transitions. [2024-12-05 23:09:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 227 transitions. [2024-12-05 23:09:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-05 23:09:03,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:03,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:04,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-05 23:09:04,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 122 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-05 23:09:05,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:05,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 234 transitions. [2024-12-05 23:09:05,109 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 234 transitions. [2024-12-05 23:09:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-12-05 23:09:05,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:05,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:05,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 23:09:05,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 15 proven. 106 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-12-05 23:09:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 137 states and 254 transitions. [2024-12-05 23:09:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 254 transitions. [2024-12-05 23:09:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-12-05 23:09:09,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 16 proven. 98 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-05 23:09:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 141 states and 262 transitions. [2024-12-05 23:09:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 262 transitions. [2024-12-05 23:09:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-05 23:09:10,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:10,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:11,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 23:09:11,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:12,018 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 44 proven. 144 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-05 23:09:12,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:12,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 145 states and 269 transitions. [2024-12-05 23:09:12,715 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 269 transitions. [2024-12-05 23:09:12,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-12-05 23:09:12,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:12,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:12,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-05 23:09:12,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 17 proven. 137 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 23:09:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 155 states and 289 transitions. [2024-12-05 23:09:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 289 transitions. [2024-12-05 23:09:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 23:09:16,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:16,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 18 proven. 128 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-05 23:09:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 159 states and 297 transitions. [2024-12-05 23:09:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 297 transitions. [2024-12-05 23:09:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 23:09:19,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:19,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:20,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-05 23:09:20,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:20,604 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 41 proven. 172 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-05 23:09:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 163 states and 304 transitions. [2024-12-05 23:09:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 304 transitions. [2024-12-05 23:09:21,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 23:09:21,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:21,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:21,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-05 23:09:21,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:22,254 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 20 proven. 144 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 23:09:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:26,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 173 states and 324 transitions. [2024-12-05 23:09:26,555 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2024-12-05 23:09:26,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-12-05 23:09:26,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:26,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:26,986 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 20 proven. 162 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-05 23:09:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 177 states and 332 transitions. [2024-12-05 23:09:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 332 transitions. [2024-12-05 23:09:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-05 23:09:28,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:28,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:29,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 23:09:29,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 60 proven. 218 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-05 23:09:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 181 states and 339 transitions. [2024-12-05 23:09:31,216 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 339 transitions. [2024-12-05 23:09:31,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-12-05 23:09:31,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:31,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:31,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-12-05 23:09:31,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 21 proven. 211 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-05 23:09:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 191 states and 359 transitions. [2024-12-05 23:09:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 359 transitions. [2024-12-05 23:09:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-12-05 23:09:36,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:36,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 23:09:38,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:38,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 195 states and 367 transitions. [2024-12-05 23:09:38,711 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 367 transitions. [2024-12-05 23:09:38,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-05 23:09:38,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:38,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:38,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:09:38,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 51 proven. 254 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-05 23:09:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:40,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 199 states and 374 transitions. [2024-12-05 23:09:40,770 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 374 transitions. [2024-12-05 23:09:40,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-12-05 23:09:40,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:40,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:40,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-05 23:09:40,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 23 proven. 254 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-12-05 23:09:46,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 209 states and 394 transitions. [2024-12-05 23:09:46,570 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 394 transitions. [2024-12-05 23:09:46,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 23:09:46,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 24 proven. 242 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-05 23:09:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 213 states and 402 transitions. [2024-12-05 23:09:49,386 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 402 transitions. [2024-12-05 23:09:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-05 23:09:49,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:49,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:52,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-05 23:09:52,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 82 proven. 302 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-12-05 23:09:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:09:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 217 states and 409 transitions. [2024-12-05 23:09:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 409 transitions. [2024-12-05 23:09:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-05 23:09:54,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:09:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:09:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:09:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:09:54,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-05 23:09:54,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:09:54,869 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 26 proven. 264 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 23:10:00,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:00,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 227 states and 429 transitions. [2024-12-05 23:10:00,557 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 429 transitions. [2024-12-05 23:10:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-12-05 23:10:00,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:00,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 26 proven. 288 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-12-05 23:10:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 231 states and 437 transitions. [2024-12-05 23:10:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 437 transitions. [2024-12-05 23:10:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-05 23:10:03,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:03,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:09,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-05 23:10:09,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:09,792 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 42 proven. 401 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-12-05 23:10:11,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:11,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 235 states and 444 transitions. [2024-12-05 23:10:11,272 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 444 transitions. [2024-12-05 23:10:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-12-05 23:10:11,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:11,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:11,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-05 23:10:11,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 28 proven. 312 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-05 23:10:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 245 states and 464 transitions. [2024-12-05 23:10:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 464 transitions. [2024-12-05 23:10:18,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-05 23:10:18,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:18,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 28 proven. 338 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-12-05 23:10:21,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 249 states and 472 transitions. [2024-12-05 23:10:21,529 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 472 transitions. [2024-12-05 23:10:21,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-05 23:10:21,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:21,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:21,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 23:10:21,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:22,259 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 98 proven. 408 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-12-05 23:10:24,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:24,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 253 states and 479 transitions. [2024-12-05 23:10:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 479 transitions. [2024-12-05 23:10:24,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-12-05 23:10:24,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:24,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:24,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 60 conjuncts are in the unsatisfiable core [2024-12-05 23:10:24,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 30 proven. 364 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-05 23:10:32,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 263 states and 499 transitions. [2024-12-05 23:10:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 499 transitions. [2024-12-05 23:10:32,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 23:10:32,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:32,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:33,100 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 30 proven. 392 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-12-05 23:10:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 267 states and 507 transitions. [2024-12-05 23:10:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 507 transitions. [2024-12-05 23:10:36,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-05 23:10:36,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:36,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:36,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-05 23:10:36,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:36,628 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 83 proven. 544 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-12-05 23:10:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 271 states and 514 transitions. [2024-12-05 23:10:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 514 transitions. [2024-12-05 23:10:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-05 23:10:38,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:38,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:10:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:38,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-12-05 23:10:38,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:10:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 932 backedges. 32 proven. 420 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-05 23:10:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 281 states and 534 transitions. [2024-12-05 23:10:47,361 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 534 transitions. [2024-12-05 23:10:47,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-12-05 23:10:47,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:47,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:10:48,080 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 32 proven. 450 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-05 23:10:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:10:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 285 states and 542 transitions. [2024-12-05 23:10:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 542 transitions. [2024-12-05 23:10:51,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-05 23:10:51,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:10:51,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:10:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:11:01,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 23:11:01,119 INFO L158 Benchmark]: Toolchain (without parser) took 142877.31ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 116.8MB in the beginning and 403.1MB in the end (delta: -286.2MB). Peak memory consumption was 581.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:01,119 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:11:01,119 INFO L158 Benchmark]: CACSL2BoogieTranslator took 213.14ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:01,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.88ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:11:01,120 INFO L158 Benchmark]: Boogie Preprocessor took 17.90ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 711.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:01,120 INFO L158 Benchmark]: RCFGBuilder took 235.05ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:11:01,120 INFO L158 Benchmark]: CodeCheck took 142381.10ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 90.8MB in the beginning and 403.1MB in the end (delta: -312.3MB). Peak memory consumption was 556.2MB. Max. memory is 16.1GB. [2024-12-05 23:11:01,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 213.14ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 105.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.88ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.90ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 103.5MB in the end (delta: 711.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 235.05ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 91.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 142381.10ms. Allocated memory was 142.6MB in the beginning and 1.0GB in the end (delta: 864.0MB). Free memory was 90.8MB in the beginning and 403.1MB in the end (delta: -312.3MB). Peak memory consumption was 556.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:11:01,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:11:03,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:11:03,184 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:11:03,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:11:03,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:11:03,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:11:03,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:11:03,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:11:03,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:11:03,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:11:03,210 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:11:03,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:03,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:11:03,211 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:03,212 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:11:03,212 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-12-05 23:11:03,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:11:03,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:11:03,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:11:03,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:11:03,446 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:11:03,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-12-05 23:11:06,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/86619b676/48932d13e7ae440d89b948a002e424b6/FLAG30d385f5c [2024-12-05 23:11:06,393 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:11:06,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-12-05 23:11:06,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/86619b676/48932d13e7ae440d89b948a002e424b6/FLAG30d385f5c [2024-12-05 23:11:06,418 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/data/86619b676/48932d13e7ae440d89b948a002e424b6 [2024-12-05 23:11:06,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:11:06,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:11:06,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:06,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:11:06,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:11:06,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7193d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06, skipping insertion in model container [2024-12-05 23:11:06,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:11:06,591 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-12-05 23:11:06,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:06,629 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:11:06,640 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_3b842015-4e0d-4212-ba1a-ff2d648f04f1/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-12-05 23:11:06,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:06,664 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:11:06,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06 WrapperNode [2024-12-05 23:11:06,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:06,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:06,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:11:06,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:11:06,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,699 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-05 23:11:06,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:06,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:11:06,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:11:06,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:11:06,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,716 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:11:06,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:11:06,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:11:06,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:11:06,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:06" (1/1) ... [2024-12-05 23:11:06,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:06,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:11:06,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:11:06,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:11:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:11:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:11:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:11:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:11:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:11:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:11:06,837 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:11:06,838 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:11:07,234 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-05 23:11:07,234 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:11:07,279 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:11:07,280 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:11:07,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:07 BoogieIcfgContainer [2024-12-05 23:11:07,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:11:07,281 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:11:07,281 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:11:07,289 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:11:07,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:07" (1/1) ... [2024-12-05 23:11:07,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:11:07,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:07,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-12-05 23:11:07,344 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-12-05 23:11:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:11:07,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:07,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:07,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:07,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:07,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:11:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:07,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:07,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:11:07,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:07,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:11:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-12-05 23:11:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-12-05 23:11:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:11:07,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:07,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:07,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:07,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:07,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:11:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:08,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:08,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:11:08,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:08,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:11:10,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-05 23:11:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-05 23:11:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:11:10,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:10,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:10,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:11:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:11:11,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:11,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:11:11,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 23:11:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 23:11:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:11,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:11:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:11:11,753 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:11:11,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:11:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:12,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:11:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:12,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:11:12,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:11:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:30,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:11:58,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:12:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:01,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-12-05 23:12:01,242 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-12-05 23:12:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:12:01,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:01,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:12:01,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:12:01,244 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:12:01,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:12:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:02,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:12:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:02,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:12:02,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:12:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:04,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:12:52,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:13:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2024-12-05 23:13:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-05 23:13:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:13:00,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:00,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:13:00,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:13:00,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:13:00,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:13:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:01,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:13:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:01,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:13:01,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:13:03,410 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:03,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:14:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:05,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-12-05 23:14:05,595 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-12-05 23:14:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:14:05,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:05,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:05,599 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:05,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:14:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:06,568 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:14:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:07,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:14:07,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:14:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:14:11,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-05 23:14:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:58,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2024-12-05 23:14:58,965 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2024-12-05 23:14:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:58,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:58,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:14:58,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:14:58,969 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:14:58,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:15:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:00,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:15:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:01,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:15:01,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:15:02,822 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:15:02,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 23:15:29,159 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 23:16:25,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:16:39,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:39,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2024-12-05 23:16:39,313 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2024-12-05 23:16:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:16:39,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:39,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:16:39,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:16:39,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:16:39,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:16:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:40,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:16:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:40,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:16:40,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:16:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:16:45,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 23:19:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 53 states and 115 transitions. [2024-12-05 23:19:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 115 transitions. [2024-12-05 23:19:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:19:17,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:17,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:17,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:17,394 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:17,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:19:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:19,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:19:19,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:19:26,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-12-05 23:20:03,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:03,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 123 transitions. [2024-12-05 23:20:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 123 transitions. [2024-12-05 23:20:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 23:20:03,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:03,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:03,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:03,658 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:03,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:20:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:05,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:06,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:20:06,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:09,088 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-05 23:20:09,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:22:06,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 61 states and 132 transitions. [2024-12-05 23:22:06,673 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 132 transitions. [2024-12-05 23:22:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 23:22:06,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:06,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:06,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:06,677 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:06,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:22:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:08,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:08,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:22:08,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 23:22:14,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b842015-4e0d-4212-ba1a-ff2d648f04f1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0