./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-numeric/EvenOdd01-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-numeric/EvenOdd01-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93e64a210ad8295ef3e6c8bf5a4996e01ec752ae44f5068490e5115d4dda29b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:22,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:22,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:12:22,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:22,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:22,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:22,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:22,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:22,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:22,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:22,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:22,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:22,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:22,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:22,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:22,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:22,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:22,692 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:22,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:22,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:22,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:22,695 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:22,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:22,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:22,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:22,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:22,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:22,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:22,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:22,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:22,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:22,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:22,701 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_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93e64a210ad8295ef3e6c8bf5a4996e01ec752ae44f5068490e5115d4dda29b5 [2023-11-23 20:12:23,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:23,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:23,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:23,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:23,073 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:23,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-numeric/EvenOdd01-2.c [2023-11-23 20:12:26,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:26,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:26,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/sv-benchmarks/c/termination-numeric/EvenOdd01-2.c [2023-11-23 20:12:26,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/data/2cd702238/4d5ab87e25b44c28b83a104fd7b40cfa/FLAG14b550a65 [2023-11-23 20:12:26,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/data/2cd702238/4d5ab87e25b44c28b83a104fd7b40cfa [2023-11-23 20:12:26,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:26,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:26,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:26,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:26,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:26,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad78dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26, skipping insertion in model container [2023-11-23 20:12:26,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,542 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:26,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:26,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:26,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:26,748 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:26,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26 WrapperNode [2023-11-23 20:12:26,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:26,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:26,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:26,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:26,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,765 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,784 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2023-11-23 20:12:26,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:26,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:26,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:26,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:26,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,809 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:26,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:26,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:26,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:26,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:26" (1/1) ... [2023-11-23 20:12:26,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:26,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:26,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba3b531c-03fc-4024-a756-1af7033a743b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2023-11-23 20:12:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2023-11-23 20:12:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2023-11-23 20:12:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2023-11-23 20:12:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:27,024 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:27,029 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:27,326 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:27,399 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:27,401 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:12:27,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:27 BoogieIcfgContainer [2023-11-23 20:12:27,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:27,406 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:27,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:27,420 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:27,420 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:27" (1/1) ... [2023-11-23 20:12:27,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-23 20:12:27,523 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-23 20:12:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:12:27,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:27,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:27,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:28,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 38 transitions. [2023-11-23 20:12:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-23 20:12:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:12:28,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:28,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 44 transitions. [2023-11-23 20:12:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-23 20:12:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:12:28,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 51 transitions. [2023-11-23 20:12:28,729 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2023-11-23 20:12:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:28,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:28,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:28,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 49 states and 58 transitions. [2023-11-23 20:12:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-23 20:12:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:29,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:29,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 55 states and 63 transitions. [2023-11-23 20:12:29,648 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2023-11-23 20:12:29,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:12:29,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:29,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 48 transitions. [2023-11-23 20:12:29,935 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2023-11-23 20:12:29,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:29,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:29,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 54 transitions. [2023-11-23 20:12:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-23 20:12:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:30,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,499 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:30,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:30,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 60 transitions. [2023-11-23 20:12:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2023-11-23 20:12:30,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:12:30,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:30,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:30,993 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:31,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 66 transitions. [2023-11-23 20:12:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2023-11-23 20:12:31,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:12:31,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:31,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 72 transitions. [2023-11-23 20:12:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-23 20:12:32,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:12:32,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:32,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 78 transitions. [2023-11-23 20:12:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2023-11-23 20:12:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:12:32,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:32,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 78 states and 84 transitions. [2023-11-23 20:12:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2023-11-23 20:12:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:12:33,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:33,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 84 states and 90 transitions. [2023-11-23 20:12:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2023-11-23 20:12:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:12:34,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:34,734 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 90 states and 96 transitions. [2023-11-23 20:12:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2023-11-23 20:12:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:12:35,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 96 states and 102 transitions. [2023-11-23 20:12:36,176 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2023-11-23 20:12:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:12:36,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:36,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:36,659 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 204 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 102 states and 108 transitions. [2023-11-23 20:12:37,168 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-23 20:12:37,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:12:37,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 108 states and 114 transitions. [2023-11-23 20:12:38,248 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2023-11-23 20:12:38,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:12:38,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 114 states and 120 transitions. [2023-11-23 20:12:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2023-11-23 20:12:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-23 20:12:39,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:39,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:39,964 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 322 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:40,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 120 states and 126 transitions. [2023-11-23 20:12:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2023-11-23 20:12:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-23 20:12:40,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:40,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:41,195 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 368 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:41,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:41,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 126 states and 132 transitions. [2023-11-23 20:12:41,780 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2023-11-23 20:12:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-23 20:12:41,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:43,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 132 states and 138 transitions. [2023-11-23 20:12:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2023-11-23 20:12:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-23 20:12:43,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:43,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:44,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 138 states and 144 transitions. [2023-11-23 20:12:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2023-11-23 20:12:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-23 20:12:44,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:44,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:45,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 144 states and 150 transitions. [2023-11-23 20:12:45,761 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 150 transitions. [2023-11-23 20:12:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-23 20:12:45,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:45,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 0 proven. 580 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:47,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 150 states and 156 transitions. [2023-11-23 20:12:47,298 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 156 transitions. [2023-11-23 20:12:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-23 20:12:47,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 156 states and 162 transitions. [2023-11-23 20:12:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2023-11-23 20:12:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-23 20:12:48,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:48,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:48,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 0 proven. 704 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 162 states and 168 transitions. [2023-11-23 20:12:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 168 transitions. [2023-11-23 20:12:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-23 20:12:50,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:50,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:51,297 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 168 states and 174 transitions. [2023-11-23 20:12:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 174 transitions. [2023-11-23 20:12:51,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-23 20:12:51,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:51,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:53,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 174 states and 180 transitions. [2023-11-23 20:12:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 180 transitions. [2023-11-23 20:12:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-23 20:12:53,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:53,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 912 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:55,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 180 states and 186 transitions. [2023-11-23 20:12:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 186 transitions. [2023-11-23 20:12:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-23 20:12:55,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 988 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:57,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:57,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 186 states and 192 transitions. [2023-11-23 20:12:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 192 transitions. [2023-11-23 20:12:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-23 20:12:57,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:57,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 0 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:12:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:58,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 192 states and 198 transitions. [2023-11-23 20:12:58,896 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 198 transitions. [2023-11-23 20:12:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-23 20:12:58,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:58,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 0 proven. 1148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:00,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:00,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 198 states and 204 transitions. [2023-11-23 20:13:00,734 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 204 transitions. [2023-11-23 20:13:00,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-23 20:13:00,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:00,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 1232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 204 states and 210 transitions. [2023-11-23 20:13:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 210 transitions. [2023-11-23 20:13:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-11-23 20:13:02,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 0 proven. 1320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 210 states and 216 transitions. [2023-11-23 20:13:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 216 transitions. [2023-11-23 20:13:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-23 20:13:04,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 0 proven. 1410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:06,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:06,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 216 states and 222 transitions. [2023-11-23 20:13:06,576 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 222 transitions. [2023-11-23 20:13:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-23 20:13:06,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:06,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 0 proven. 1504 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:13:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 222 states and 228 transitions. [2023-11-23 20:13:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 228 transitions. [2023-11-23 20:13:08,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 20:13:08,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:08,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat