./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL --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 d4daf1340b92ad99da0e14bd9974ded6768f4e200672f7478b349dd411e40bd7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:51,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:51,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:51,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:51,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:51,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:51,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:51,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:51,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:51,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:51,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:51,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:51,548 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:51,549 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:51,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:51,550 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:51,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:51,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:51,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:51,552 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:51,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:51,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:51,558 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:51,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:51,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:51,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:51,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:51,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:51,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:51,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:51,561 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:51,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:51,561 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:51,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4daf1340b92ad99da0e14bd9974ded6768f4e200672f7478b349dd411e40bd7 [2023-11-19 04:07:51,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:51,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:51,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:51,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:51,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:51,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c [2023-11-19 04:07:55,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:55,300 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:55,301 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c [2023-11-19 04:07:55,310 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/data/516e9b905/bd499bc9d9a045529c3eab57717d3b8c/FLAG4b85fa61d [2023-11-19 04:07:55,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/data/516e9b905/bd499bc9d9a045529c3eab57717d3b8c [2023-11-19 04:07:55,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:55,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:55,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:55,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:55,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:55,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cb2bfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55, skipping insertion in model container [2023-11-19 04:07:55,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:55,552 WARN L240 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_f3c51513-2feb-43c2-bd93-ba18c30db920/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c[490,503] [2023-11-19 04:07:55,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:55,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:55,599 WARN L240 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_f3c51513-2feb-43c2-bd93-ba18c30db920/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound100.c[490,503] [2023-11-19 04:07:55,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:55,625 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:55,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55 WrapperNode [2023-11-19 04:07:55,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:55,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:55,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:55,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:55,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,666 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2023-11-19 04:07:55,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:55,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:55,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:55,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:55,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,694 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:55,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:55,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:55,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:55,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:55" (1/1) ... [2023-11-19 04:07:55,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:55,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:55,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:55,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3c51513-2feb-43c2-bd93-ba18c30db920/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:55,779 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:07:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:07:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:55,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:55,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:07:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:07:55,844 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:55,846 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:56,032 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:56,067 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:56,067 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:07:56,077 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:56 BoogieIcfgContainer [2023-11-19 04:07:56,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:56,078 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:56,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:56,090 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:56,090 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:56" (1/1) ... [2023-11-19 04:07:56,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-11-19 04:07:56,158 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-11-19 04:07:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:56,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:56,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:56,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2023-11-19 04:07:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2023-11-19 04:07:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:07:56,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:07:56,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:56,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:56,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2023-11-19 04:07:56,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-11-19 04:07:56,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:07:56,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:56,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 04:07:56,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-11-19 04:07:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 04:07:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:07:57,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:07:57,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:57,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2023-11-19 04:07:57,432 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2023-11-19 04:07:57,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:07:57,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:07:57,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2023-11-19 04:07:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2023-11-19 04:07:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:07:57,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:57,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:07:57,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:58,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2023-11-19 04:07:58,409 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2023-11-19 04:07:58,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:07:58,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:58,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:07:58,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 04:07:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 04:07:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:07:59,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:59,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:07:59,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:02,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:02,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 117 transitions. [2023-11-19 04:08:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2023-11-19 04:08:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:08:02,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:02,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:02,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 121 transitions. [2023-11-19 04:08:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2023-11-19 04:08:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:08:02,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:02,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:04,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 138 transitions. [2023-11-19 04:08:04,336 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2023-11-19 04:08:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:08:04,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:04,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:04,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:04,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:04,479 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 141 transitions. [2023-11-19 04:08:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2023-11-19 04:08:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:05,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:05,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:05,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:05,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:06,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 153 transitions. [2023-11-19 04:08:06,506 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2023-11-19 04:08:06,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:06,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:06,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:08:06,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:06,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:08,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 85 states and 181 transitions. [2023-11-19 04:08:08,936 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 181 transitions. [2023-11-19 04:08:08,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:08,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:08:08,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 93 states and 201 transitions. [2023-11-19 04:08:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 201 transitions. [2023-11-19 04:08:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:12,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:12,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:12,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:08:12,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 95 states and 204 transitions. [2023-11-19 04:08:13,728 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 204 transitions. [2023-11-19 04:08:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:13,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:13,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:13,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:13,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:13,797 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 95 states and 203 transitions. [2023-11-19 04:08:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 203 transitions. [2023-11-19 04:08:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:08:14,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:14,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 102 states and 223 transitions. [2023-11-19 04:08:17,771 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 223 transitions. [2023-11-19 04:08:17,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:08:17,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 106 states and 227 transitions. [2023-11-19 04:08:19,626 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 227 transitions. [2023-11-19 04:08:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:08:19,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 108 states and 230 transitions. [2023-11-19 04:08:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 230 transitions. [2023-11-19 04:08:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:08:20,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:20,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:20,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:20,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:08:24,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 116 states and 251 transitions. [2023-11-19 04:08:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 251 transitions. [2023-11-19 04:08:24,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:08:24,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:30,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:30,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 127 states and 282 transitions. [2023-11-19 04:08:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 282 transitions. [2023-11-19 04:08:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:08:30,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:30,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:30,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:08:30,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:34,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 133 states and 297 transitions. [2023-11-19 04:08:34,292 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 297 transitions. [2023-11-19 04:08:34,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:08:34,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:34,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:34,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:08:34,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:08:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 139 states and 316 transitions. [2023-11-19 04:08:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 316 transitions. [2023-11-19 04:08:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:08:37,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:37,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:38,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:38,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:38,401 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:41,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:41,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 142 states and 324 transitions. [2023-11-19 04:08:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 324 transitions. [2023-11-19 04:08:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 04:08:41,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:41,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:41,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:41,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:08:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:41,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 142 states and 323 transitions. [2023-11-19 04:08:41,825 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 323 transitions. [2023-11-19 04:08:41,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:08:41,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:41,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:41,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:41,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:08:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 149 states and 341 transitions. [2023-11-19 04:08:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 341 transitions. [2023-11-19 04:08:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:08:46,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:46,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:46,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:46,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 04:08:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 151 states and 343 transitions. [2023-11-19 04:08:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 343 transitions. [2023-11-19 04:08:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:08:48,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:48,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:48,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:48,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:48,408 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:08:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 155 states and 352 transitions. [2023-11-19 04:08:51,415 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 352 transitions. [2023-11-19 04:08:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 04:08:51,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:51,453 INFO L285 TraceCheckSpWp]: Computing forward predicates...