./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/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_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/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 32bit --witnessprinter.graph.data.programhash 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:12,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:12,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:30:12,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:12,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:12,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:12,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:12,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:12,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:12,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:12,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:12,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:12,812 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:30:12,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:12,813 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:30:12,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:12,814 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:12,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:12,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:12,817 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:12,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:12,825 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:30:12,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:12,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:12,826 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:12,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:12,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:12,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:12,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:12,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:12,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:12,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:12,832 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:12,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:12,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:12,833 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_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38ccaeaf311fb01804239f58019ab7743a9fb69960e13f76d7c528e868915a3a [2023-11-23 20:30:13,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:13,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:13,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:13,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:13,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:13,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-23 20:30:16,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:16,556 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:16,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound50.c [2023-11-23 20:30:16,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/data/a6051f94c/5d3cc0fcaac94798becee47b33c52401/FLAG241666bf6 [2023-11-23 20:30:16,578 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/data/a6051f94c/5d3cc0fcaac94798becee47b33c52401 [2023-11-23 20:30:16,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:16,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:16,584 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:16,584 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:16,589 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:16,589 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338e9300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16, skipping insertion in model container [2023-11-23 20:30:16,591 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,612 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:16,788 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:16,800 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:16,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:16,851 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:16,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16 WrapperNode [2023-11-23 20:30:16,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:16,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:16,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:16,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:16,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,894 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-23 20:30:16,894 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:16,895 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:16,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:16,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:16,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:16,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:16,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:16,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:16,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:16" (1/1) ... [2023-11-23 20:30:16,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:16,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:16,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:17,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1d3f30c-d4bb-4116-b76f-b4748812d5c4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:17,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:30:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:30:17,097 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:17,100 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:17,255 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:17,287 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:17,287 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:30:17,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:17 BoogieIcfgContainer [2023-11-23 20:30:17,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:17,290 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:17,290 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:17,301 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:17,301 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:17" (1/1) ... [2023-11-23 20:30:17,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:17,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-23 20:30:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-23 20:30:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:17,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,492 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 20:30:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-23 20:30:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-23 20:30:17,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:17,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,606 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 20:30:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:30:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:30:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:17,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,705 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 20:30:17,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-23 20:30:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-23 20:30:17,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:17,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,746 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 20:30:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:30:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:30:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:17,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:17,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:17,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:17,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:17,859 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 20:30:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-23 20:30:18,034 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-23 20:30:18,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:18,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:18,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:18,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,142 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 20:30:18,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-23 20:30:18,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:30:18,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:18,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:18,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:18,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,310 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 20:30:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-23 20:30:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-23 20:30:18,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:18,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:18,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:18,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,424 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 20:30:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-23 20:30:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-23 20:30:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:18,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:18,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:18,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,640 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 20:30:18,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-23 20:30:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-23 20:30:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:30:18,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:18,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:18,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:18,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:18,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:19,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:19,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-23 20:30:19,337 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-23 20:30:19,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:30:19,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:19,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:19,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:19,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:19,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:20,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:20,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-23 20:30:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-23 20:30:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:30:20,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:20,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:20,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:20,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-23 20:30:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:30:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:20,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:20,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:21,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:21,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:21,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:30:21,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-23 20:30:21,342 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-23 20:30:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:30:21,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:21,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:21,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:21,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-23 20:30:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-23 20:30:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:30:21,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:21,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:30:21,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:22,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 94 states and 152 transitions. [2023-11-23 20:30:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 152 transitions. [2023-11-23 20:30:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:22,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:22,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:22,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:22,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:22,743 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:30:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 100 states and 163 transitions. [2023-11-23 20:30:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2023-11-23 20:30:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:30:23,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:23,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:23,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:23,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:30:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 103 states and 165 transitions. [2023-11-23 20:30:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2023-11-23 20:30:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:30:23,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:23,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:23,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:24,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:24,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 179 transitions. [2023-11-23 20:30:24,370 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2023-11-23 20:30:24,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:30:24,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:24,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:24,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:24,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:24,603 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:24,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:24,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 114 states and 190 transitions. [2023-11-23 20:30:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 190 transitions. [2023-11-23 20:30:24,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:30:24,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:24,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:25,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:25,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:26,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 126 states and 220 transitions. [2023-11-23 20:30:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 220 transitions. [2023-11-23 20:30:26,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:26,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:26,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:26,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:26,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 151 states and 262 transitions. [2023-11-23 20:30:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 262 transitions. [2023-11-23 20:30:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:30:29,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:29,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:30:29,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 161 states and 281 transitions. [2023-11-23 20:30:29,913 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 281 transitions. [2023-11-23 20:30:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:29,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:29,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:29,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:29,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:30,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 167 states and 292 transitions. [2023-11-23 20:30:30,745 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 292 transitions. [2023-11-23 20:30:30,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:30,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:30,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:30,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:30,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 170 states and 296 transitions. [2023-11-23 20:30:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 296 transitions. [2023-11-23 20:30:31,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:31,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:31,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:31,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:31,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 173 states and 298 transitions. [2023-11-23 20:30:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 298 transitions. [2023-11-23 20:30:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:32,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:32,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:32,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:32,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:32,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:32,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 175 states and 299 transitions. [2023-11-23 20:30:32,879 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 299 transitions. [2023-11-23 20:30:32,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:30:32,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:32,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:32,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:30:32,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:32,982 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:30:33,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:33,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 178 states and 301 transitions. [2023-11-23 20:30:33,512 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 301 transitions. [2023-11-23 20:30:33,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:30:33,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:33,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:33,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 182 states and 321 transitions. [2023-11-23 20:30:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 321 transitions. [2023-11-23 20:30:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:34,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:34,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:30:34,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 189 states and 332 transitions. [2023-11-23 20:30:35,099 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 332 transitions. [2023-11-23 20:30:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:30:35,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:35,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:35,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:35,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:36,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:36,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 195 states and 337 transitions. [2023-11-23 20:30:36,993 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 337 transitions. [2023-11-23 20:30:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:30:36,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:36,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:37,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:37,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 210 states and 363 transitions. [2023-11-23 20:30:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 363 transitions. [2023-11-23 20:30:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:39,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:39,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:39,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:40,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 216 states and 374 transitions. [2023-11-23 20:30:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 374 transitions. [2023-11-23 20:30:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:40,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:40,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:40,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:40,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 219 states and 378 transitions. [2023-11-23 20:30:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 378 transitions. [2023-11-23 20:30:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:30:41,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:41,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:41,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:30:41,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:30:42,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:42,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 221 states and 379 transitions. [2023-11-23 20:30:42,733 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 379 transitions. [2023-11-23 20:30:42,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:30:42,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:42,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:42,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:30:42,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:43,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 225 states and 401 transitions. [2023-11-23 20:30:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 401 transitions. [2023-11-23 20:30:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:30:43,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:43,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:43,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:30:43,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 233 states and 413 transitions. [2023-11-23 20:30:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 413 transitions. [2023-11-23 20:30:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:30:45,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:45,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:46,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 240 states and 423 transitions. [2023-11-23 20:30:46,331 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 423 transitions. [2023-11-23 20:30:46,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:30:46,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:30:46,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 250 states and 447 transitions. [2023-11-23 20:30:48,195 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 447 transitions. [2023-11-23 20:30:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:48,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:48,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:48,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 256 states and 461 transitions. [2023-11-23 20:30:50,007 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 461 transitions. [2023-11-23 20:30:50,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:50,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:50,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:50,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 259 states and 463 transitions. [2023-11-23 20:30:50,918 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 463 transitions. [2023-11-23 20:30:50,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:50,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:50,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:50,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 261 states and 464 transitions. [2023-11-23 20:30:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 464 transitions. [2023-11-23 20:30:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:51,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:51,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:51,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:51,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 264 states and 466 transitions. [2023-11-23 20:30:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 466 transitions. [2023-11-23 20:30:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:52,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:52,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:52,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:52,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:52,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 267 states and 468 transitions. [2023-11-23 20:30:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 468 transitions. [2023-11-23 20:30:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:30:53,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:53,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:53,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:30:53,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:30:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 270 states and 470 transitions. [2023-11-23 20:30:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 470 transitions. [2023-11-23 20:30:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:30:54,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:54,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:30:54,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:30:55,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 274 states and 493 transitions. [2023-11-23 20:30:55,765 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 493 transitions. [2023-11-23 20:30:55,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:30:55,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:30:55,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 291 states and 517 transitions. [2023-11-23 20:30:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 517 transitions. [2023-11-23 20:30:58,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:30:58,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:58,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:30:59,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:00,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 299 states and 529 transitions. [2023-11-23 20:31:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 529 transitions. [2023-11-23 20:31:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:31:00,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:00,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:31:00,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:04,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 318 states and 568 transitions. [2023-11-23 20:31:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 568 transitions. [2023-11-23 20:31:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:31:04,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:04,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:31:04,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:05,154 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:07,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:07,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 323 states and 585 transitions. [2023-11-23 20:31:07,595 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 585 transitions. [2023-11-23 20:31:07,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:31:07,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:07,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:07,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:31:07,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:07,929 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.