./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9 --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 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:56:57,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:56:57,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:56:57,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:56:57,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:56:57,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:56:57,282 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:56:57,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:56:57,284 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:56:57,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:56:57,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:56:57,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:56:57,286 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:56:57,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:56:57,287 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:56:57,287 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:56:57,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:56:57,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:56:57,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:56:57,289 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:56:57,290 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:56:57,290 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:56:57,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:56:57,291 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:56:57,292 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:56:57,292 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:56:57,293 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:56:57,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:56:57,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:56:57,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:56:57,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:56:57,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:56:57,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:56:57,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:56:57,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:56:57,296 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_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 870f3f117c59e986b23526e49a2d44ed8c8e543941d3d310e77e3939c7927e70 [2023-12-02 21:56:57,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:56:57,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:56:57,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:56:57,565 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:56:57,565 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:56:57,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-12-02 21:57:00,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:57:00,495 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:57:00,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound50.c [2023-12-02 21:57:00,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/data/75cb5ba22/d70d8737ade74c27bbca87786f64f6fe/FLAG4cf109a15 [2023-12-02 21:57:00,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/data/75cb5ba22/d70d8737ade74c27bbca87786f64f6fe [2023-12-02 21:57:00,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:57:00,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:57:00,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:57:00,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:57:00,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:57:00,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47253b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00, skipping insertion in model container [2023-12-02 21:57:00,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,541 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:57:00,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:57:00,686 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:57:00,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:57:00,717 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:57:00,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00 WrapperNode [2023-12-02 21:57:00,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:57:00,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:57:00,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:57:00,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:57:00,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,756 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-12-02 21:57:00,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:57:00,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:57:00,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:57:00,758 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:57:00,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:57:00,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:57:00,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:57:00,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:57:00,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:57:00" (1/1) ... [2023-12-02 21:57:00,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:57:00,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:57:00,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:57:00,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd152801-a9d8-47b3-b83d-eeb4e98a94b7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:57:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:57:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:57:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:57:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:57:00,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:57:00,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:57:00,931 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:57:00,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:57:01,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:57:01,332 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:57:01,332 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:57:01,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:57:01 BoogieIcfgContainer [2023-12-02 21:57:01,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:57:01,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:57:01,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:57:01,342 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:57:01,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:57:01" (1/1) ... [2023-12-02 21:57:01,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:57:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:01,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-12-02 21:57:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-12-02 21:57:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:57:01,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:01,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 137 states and 141 transitions. [2023-12-02 21:57:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 141 transitions. [2023-12-02 21:57:01,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:57:01,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:01,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 138 states and 142 transitions. [2023-12-02 21:57:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 142 transitions. [2023-12-02 21:57:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:57:01,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:01,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:01,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:01,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 143 states and 150 transitions. [2023-12-02 21:57:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2023-12-02 21:57:01,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:57:01,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:01,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:01,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:01,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:01,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-12-02 21:57:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-12-02 21:57:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:57:02,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 145 states and 153 transitions. [2023-12-02 21:57:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2023-12-02 21:57:02,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:57:02,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 144 states and 152 transitions. [2023-12-02 21:57:02,098 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-12-02 21:57:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:57:02,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 152 states and 164 transitions. [2023-12-02 21:57:02,541 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 164 transitions. [2023-12-02 21:57:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:57:02,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 153 states and 165 transitions. [2023-12-02 21:57:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 165 transitions. [2023-12-02 21:57:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:57:02,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 154 states and 167 transitions. [2023-12-02 21:57:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 167 transitions. [2023-12-02 21:57:02,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:57:02,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,708 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 153 states and 166 transitions. [2023-12-02 21:57:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 166 transitions. [2023-12-02 21:57:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:57:02,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:02,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 156 states and 169 transitions. [2023-12-02 21:57:02,819 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 169 transitions. [2023-12-02 21:57:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:57:02,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:02,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:02,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:02,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:03,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 163 states and 178 transitions. [2023-12-02 21:57:03,110 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 178 transitions. [2023-12-02 21:57:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:57:03,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:03,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:03,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:03,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:03,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 171 states and 188 transitions. [2023-12-02 21:57:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2023-12-02 21:57:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:57:03,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:03,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:03,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:03,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 174 states and 194 transitions. [2023-12-02 21:57:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 194 transitions. [2023-12-02 21:57:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:57:04,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 178 states and 200 transitions. [2023-12-02 21:57:04,456 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 200 transitions. [2023-12-02 21:57:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:57:04,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 177 states and 199 transitions. [2023-12-02 21:57:04,481 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 199 transitions. [2023-12-02 21:57:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:57:04,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 180 states and 202 transitions. [2023-12-02 21:57:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 202 transitions. [2023-12-02 21:57:04,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:04,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 181 states and 203 transitions. [2023-12-02 21:57:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 203 transitions. [2023-12-02 21:57:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:57:04,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:04,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 182 states and 204 transitions. [2023-12-02 21:57:04,663 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 204 transitions. [2023-12-02 21:57:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:57:04,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:04,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:05,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:05,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 190 states and 213 transitions. [2023-12-02 21:57:05,148 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 213 transitions. [2023-12-02 21:57:05,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:57:05,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:05,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:05,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:05,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:05,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 192 states and 216 transitions. [2023-12-02 21:57:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 216 transitions. [2023-12-02 21:57:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:57:05,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:05,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:05,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:05,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 191 states and 215 transitions. [2023-12-02 21:57:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 215 transitions. [2023-12-02 21:57:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:57:05,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:05,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:06,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:06,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 193 states and 217 transitions. [2023-12-02 21:57:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 217 transitions. [2023-12-02 21:57:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:57:06,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:06,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:06,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:06,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:06,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 197 states and 221 transitions. [2023-12-02 21:57:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 221 transitions. [2023-12-02 21:57:06,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:57:06,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:06,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:06,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:06,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 209 states and 234 transitions. [2023-12-02 21:57:07,020 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 234 transitions. [2023-12-02 21:57:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:57:07,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:07,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:07,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:07,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:07,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:07,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 213 states and 244 transitions. [2023-12-02 21:57:07,170 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 244 transitions. [2023-12-02 21:57:07,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:57:07,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:07,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:07,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:07,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:07,192 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 242 states and 281 transitions. [2023-12-02 21:57:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 281 transitions. [2023-12-02 21:57:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:57:08,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:08,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:08,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:08,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 243 states and 282 transitions. [2023-12-02 21:57:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 282 transitions. [2023-12-02 21:57:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:57:08,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:08,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:08,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:08,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 273 states and 320 transitions. [2023-12-02 21:57:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 320 transitions. [2023-12-02 21:57:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:57:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:09,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:09,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:09,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:09,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:09,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:09,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 272 states and 319 transitions. [2023-12-02 21:57:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 319 transitions. [2023-12-02 21:57:09,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:57:09,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:09,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:09,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:09,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:09,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 275 states and 325 transitions. [2023-12-02 21:57:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 325 transitions. [2023-12-02 21:57:09,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:57:09,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:09,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:09,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:09,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 277 states and 327 transitions. [2023-12-02 21:57:10,193 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 327 transitions. [2023-12-02 21:57:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:57:10,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:10,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:10,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:10,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 281 states and 334 transitions. [2023-12-02 21:57:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 334 transitions. [2023-12-02 21:57:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:57:10,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:10,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:10,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:57:10,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:11,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 285 states and 338 transitions. [2023-12-02 21:57:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 338 transitions. [2023-12-02 21:57:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:57:12,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:12,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:12,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:12,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 284 states and 337 transitions. [2023-12-02 21:57:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 337 transitions. [2023-12-02 21:57:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:57:12,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:12,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:12,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:12,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:14,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:15,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:15,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 285 states and 339 transitions. [2023-12-02 21:57:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 339 transitions. [2023-12-02 21:57:15,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:57:15,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:15,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:15,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:15,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:15,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:15,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 291 states and 347 transitions. [2023-12-02 21:57:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 347 transitions. [2023-12-02 21:57:15,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:57:15,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:15,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:15,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:15,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:16,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:16,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:16,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 292 states and 349 transitions. [2023-12-02 21:57:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 349 transitions. [2023-12-02 21:57:16,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:57:16,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:16,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:16,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:16,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:16,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:16,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:17,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:17,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 294 states and 351 transitions. [2023-12-02 21:57:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 351 transitions. [2023-12-02 21:57:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:57:17,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:17,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:17,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:17,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:17,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:57:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 302 states and 364 transitions. [2023-12-02 21:57:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 364 transitions. [2023-12-02 21:57:18,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:57:18,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:18,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:18,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:18,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:20,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:20,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 312 states and 378 transitions. [2023-12-02 21:57:20,053 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 378 transitions. [2023-12-02 21:57:20,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:57:20,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:20,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:20,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:20,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:57:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 321 states and 392 transitions. [2023-12-02 21:57:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 392 transitions. [2023-12-02 21:57:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:57:21,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:21,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:21,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:32,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:32,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 330 states and 408 transitions. [2023-12-02 21:57:32,876 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 408 transitions. [2023-12-02 21:57:32,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:57:32,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:32,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:32,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:57:32,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:57:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 329 states and 407 transitions. [2023-12-02 21:57:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 407 transitions. [2023-12-02 21:57:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 21:57:32,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:32,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:32,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:32,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:57:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:40,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 335 states and 415 transitions. [2023-12-02 21:57:40,600 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 415 transitions. [2023-12-02 21:57:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:57:40,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:40,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:40,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:57:40,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:57:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:44,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 374 states and 480 transitions. [2023-12-02 21:57:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 480 transitions. [2023-12-02 21:57:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:57:44,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:44,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:44,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:57:44,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:01:54,748 WARN L293 SmtUtils]: Spent 14.26s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:04:25,802 WARN L293 SmtUtils]: Spent 7.10s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:04:32,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:05:14,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 22:07:09,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:09,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 381 states and 491 transitions. [2023-12-02 22:07:09,298 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 491 transitions. [2023-12-02 22:07:09,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:07:09,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:09,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:09,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:07:09,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:09:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:09:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 420 states and 559 transitions. [2023-12-02 22:09:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 559 transitions. [2023-12-02 22:09:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:09:36,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:09:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:09:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:09:36,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:09:36,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:09:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:10:01,660 WARN L293 SmtUtils]: Spent 20.03s on a formula simplification. DAG size of input: 20 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:10:23,196 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:12:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:12,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 428 states and 573 transitions. [2023-12-02 22:12:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 573 transitions. [2023-12-02 22:12:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:12:12,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:12,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:12,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:12:12,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:12:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 22:12:12,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:12:12,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 427 states and 572 transitions. [2023-12-02 22:12:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 572 transitions. [2023-12-02 22:12:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:12:12,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:12:12,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:12:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:12:12,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:12:12,224 INFO L285 TraceCheckSpWp]: Computing forward predicates...