./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/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_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:55:56,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:55:56,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:55:56,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:55:56,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:55:56,463 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:55:56,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:55:56,464 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:55:56,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:55:56,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:55:56,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:55:56,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:55:56,467 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:55:56,468 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:55:56,468 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:55:56,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:55:56,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:55:56,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:55:56,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:55:56,471 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:55:56,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:55:56,472 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:55:56,472 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:55:56,473 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:55:56,473 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:55:56,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:55:56,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:56,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:55:56,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:55:56,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:55:56,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:55:56,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:55:56,476 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:55:56,477 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_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2023-12-02 21:55:56,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:55:56,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:55:56,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:55:56,707 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:55:56,708 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:55:56,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-12-02 21:55:59,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:55:59,654 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:55:59,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2023-12-02 21:55:59,661 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/data/95962895c/6ec7439cd18141459bb952006323edd6/FLAGb4e16acca [2023-12-02 21:55:59,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/data/95962895c/6ec7439cd18141459bb952006323edd6 [2023-12-02 21:55:59,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:55:59,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:55:59,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:59,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:55:59,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:55:59,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441431fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59, skipping insertion in model container [2023-12-02 21:55:59,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:55:59,826 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-12-02 21:55:59,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:59,858 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:55:59,870 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c[588,601] [2023-12-02 21:55:59,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:59,893 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:55:59,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59 WrapperNode [2023-12-02 21:55:59,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:59,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:59,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:55:59,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:55:59,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,923 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-12-02 21:55:59,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:59,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:55:59,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:55:59,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:55:59,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,933 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:55:59,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:55:59,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:55:59,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:55:59,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:59" (1/1) ... [2023-12-02 21:55:59,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:55:59,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:55:59,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:56:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:56:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:56:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:56:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:56:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:56:00,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:56:00,066 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:56:00,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:56:00,207 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:56:00,251 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:56:00,251 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:56:00,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:56:00 BoogieIcfgContainer [2023-12-02 21:56:00,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:56:00,254 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:56:00,254 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:56:00,263 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:56:00,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:56:00" (1/1) ... [2023-12-02 21:56:00,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:56:00,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 21:56:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 21:56:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:56:00,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:00,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:00,621 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 21:56:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-12-02 21:56:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-12-02 21:56:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:56:00,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:00,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:56:00,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-12-02 21:56:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-12-02 21:56:01,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:56:01,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:01,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:01,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:56:01,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:56:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-12-02 21:56:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-12-02 21:56:01,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:56:01,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:01,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:56:01,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:56:02,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:02,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 62 transitions. [2023-12-02 21:56:02,050 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-12-02 21:56:02,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:56:02,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:02,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:02,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:56:02,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:02,170 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:56:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:02,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 64 transitions. [2023-12-02 21:56:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2023-12-02 21:56:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:56:02,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:02,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:56:02,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:56:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 80 transitions. [2023-12-02 21:56:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-12-02 21:56:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:56:02,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:02,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:56:02,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:56:03,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 81 transitions. [2023-12-02 21:56:03,515 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-12-02 21:56:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:56:03,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:03,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:03,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 21:56:03,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:56:04,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:04,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-12-02 21:56:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-12-02 21:56:04,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:56:04,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:04,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:56:04,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:56:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-12-02 21:56:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-12-02 21:56:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:56:04,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:04,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:04,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:56:04,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:56:05,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:05,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-12-02 21:56:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-12-02 21:56:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:56:05,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:05,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:05,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 21:56:05,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:05,322 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:56:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 52 states and 100 transitions. [2023-12-02 21:56:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-12-02 21:56:05,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-12-02 21:56:05,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:05,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:05,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:05,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-12-02 21:56:06,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:06,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 54 states and 102 transitions. [2023-12-02 21:56:06,143 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-12-02 21:56:06,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:56:06,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:06,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:06,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:56:06,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:56:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 63 states and 119 transitions. [2023-12-02 21:56:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2023-12-02 21:56:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:56:07,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:07,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:07,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:56:07,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:56:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 66 states and 125 transitions. [2023-12-02 21:56:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2023-12-02 21:56:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:56:08,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:08,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:08,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:56:08,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-02 21:56:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 128 transitions. [2023-12-02 21:56:09,156 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2023-12-02 21:56:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:56:09,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:09,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:09,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:56:09,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-02 21:56:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 71 states and 136 transitions. [2023-12-02 21:56:10,024 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2023-12-02 21:56:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:56:10,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:10,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:10,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 21:56:10,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-02 21:56:10,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 141 transitions. [2023-12-02 21:56:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-12-02 21:56:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:56:10,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:10,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:11,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:56:11,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-02 21:56:11,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:11,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 74 states and 143 transitions. [2023-12-02 21:56:11,628 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-12-02 21:56:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:56:11,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:11,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:11,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:11,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-12-02 21:56:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 146 transitions. [2023-12-02 21:56:12,394 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2023-12-02 21:56:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:56:12,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:12,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 21:56:12,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:56:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 77 states and 150 transitions. [2023-12-02 21:56:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-12-02 21:56:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:56:12,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:12,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:12,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:12,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-12-02 21:56:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 79 states and 153 transitions. [2023-12-02 21:56:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2023-12-02 21:56:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-02 21:56:14,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:14,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:14,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:14,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2023-12-02 21:56:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:14,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 79 states and 151 transitions. [2023-12-02 21:56:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-12-02 21:56:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-02 21:56:14,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:14,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:14,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:56:14,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:15,340 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 31 proven. 67 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:56:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 82 states and 157 transitions. [2023-12-02 21:56:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2023-12-02 21:56:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:56:16,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:16,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:16,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:56:16,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:56:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:18,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 163 transitions. [2023-12-02 21:56:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2023-12-02 21:56:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-02 21:56:18,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:18,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:18,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:56:18,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:56:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 86 states and 166 transitions. [2023-12-02 21:56:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2023-12-02 21:56:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:56:19,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:19,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:19,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:56:19,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:56:20,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:20,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 90 states and 173 transitions. [2023-12-02 21:56:20,556 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2023-12-02 21:56:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 21:56:20,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:20,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:20,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:56:20,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:20,940 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 35 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:56:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:21,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 92 states and 177 transitions. [2023-12-02 21:56:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-12-02 21:56:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:56:21,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:21,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:56:21,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:22,027 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:56:22,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:22,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 93 states and 179 transitions. [2023-12-02 21:56:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2023-12-02 21:56:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:56:22,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:22,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:56:22,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 94 states and 183 transitions. [2023-12-02 21:56:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2023-12-02 21:56:23,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 21:56:23,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:23,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:23,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:23,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-12-02 21:56:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:23,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 94 states and 181 transitions. [2023-12-02 21:56:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-12-02 21:56:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:56:23,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:23,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:23,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:56:23,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 21:56:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 97 states and 187 transitions. [2023-12-02 21:56:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2023-12-02 21:56:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-12-02 21:56:26,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:26,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:56:26,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 41 proven. 115 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 21:56:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 100 states and 193 transitions. [2023-12-02 21:56:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2023-12-02 21:56:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:28,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:28,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:28,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:56:28,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 43 proven. 106 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-12-02 21:56:29,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 101 states and 196 transitions. [2023-12-02 21:56:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2023-12-02 21:56:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-12-02 21:56:29,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:29,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:29,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:56:29,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 43 proven. 122 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-12-02 21:56:31,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 105 states and 203 transitions. [2023-12-02 21:56:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 203 transitions. [2023-12-02 21:56:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:56:31,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:31,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:31,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:31,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 21:56:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 107 states and 207 transitions. [2023-12-02 21:56:33,834 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2023-12-02 21:56:33,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 21:56:33,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:33,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:33,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:56:33,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:34,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 45 proven. 129 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 21:56:35,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 108 states and 210 transitions. [2023-12-02 21:56:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2023-12-02 21:56:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 21:56:35,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:35,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:56:35,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:35,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 47 proven. 136 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 21:56:36,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 110 states and 216 transitions. [2023-12-02 21:56:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 216 transitions. [2023-12-02 21:56:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 21:56:36,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:36,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:36,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:36,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:36,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2023-12-02 21:56:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 110 states and 214 transitions. [2023-12-02 21:56:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2023-12-02 21:56:36,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 21:56:36,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:36,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:36,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:56:36,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 51 proven. 146 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 21:56:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 113 states and 220 transitions. [2023-12-02 21:56:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 220 transitions. [2023-12-02 21:56:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 21:56:39,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:39,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:39,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:56:39,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:41,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 51 proven. 161 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 21:56:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 116 states and 225 transitions. [2023-12-02 21:56:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 225 transitions. [2023-12-02 21:56:42,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 21:56:42,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:42,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:42,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:42,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:43,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 53 proven. 149 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 21:56:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 117 states and 227 transitions. [2023-12-02 21:56:44,948 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 227 transitions. [2023-12-02 21:56:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-12-02 21:56:44,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:44,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:45,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:56:45,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1548 backedges. 53 proven. 169 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 21:56:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 118 states and 230 transitions. [2023-12-02 21:56:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 230 transitions. [2023-12-02 21:56:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 21:56:47,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:47,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:47,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:56:47,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 55 proven. 152 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 21:56:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:51,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 119 states and 232 transitions. [2023-12-02 21:56:51,209 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 232 transitions. [2023-12-02 21:56:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-02 21:56:51,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:51,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:51,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:56:51,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 55 proven. 177 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 21:56:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 120 states and 233 transitions. [2023-12-02 21:56:53,325 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 233 transitions. [2023-12-02 21:56:53,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-02 21:56:53,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:53,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:53,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:56:53,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:53,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1782 backedges. 57 proven. 185 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 21:56:54,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:54,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 121 states and 237 transitions. [2023-12-02 21:56:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2023-12-02 21:56:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 21:56:54,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:54,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:54,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 159 proven. 13 refuted. 0 times theorem prover too weak. 1733 trivial. 0 not checked. [2023-12-02 21:56:54,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:54,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 121 states and 235 transitions. [2023-12-02 21:56:54,852 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 235 transitions. [2023-12-02 21:56:54,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-12-02 21:56:54,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:54,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:54,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:56:54,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2027 backedges. 61 proven. 196 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 21:56:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 124 states and 241 transitions. [2023-12-02 21:56:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 241 transitions. [2023-12-02 21:56:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-12-02 21:56:57,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:57,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:57,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:56:57,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 61 proven. 214 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 21:57:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 127 states and 246 transitions. [2023-12-02 21:57:01,583 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 246 transitions. [2023-12-02 21:57:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 21:57:01,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:01,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:01,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:57:01,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2153 backedges. 63 proven. 199 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 21:57:04,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 128 states and 249 transitions. [2023-12-02 21:57:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 249 transitions. [2023-12-02 21:57:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-12-02 21:57:04,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:04,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:04,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 21:57:04,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2177 backedges. 63 proven. 223 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 21:57:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 129 states and 252 transitions. [2023-12-02 21:57:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2023-12-02 21:57:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-02 21:57:07,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:07,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:08,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:57:08,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:09,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2283 backedges. 65 proven. 202 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 21:57:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:11,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 131 states and 256 transitions. [2023-12-02 21:57:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 256 transitions. [2023-12-02 21:57:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 21:57:11,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:11,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:57:11,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:12,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 65 proven. 232 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 21:57:14,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 132 states and 257 transitions. [2023-12-02 21:57:14,093 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 257 transitions. [2023-12-02 21:57:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-02 21:57:14,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:14,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:57:14,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2453 backedges. 67 proven. 241 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-12-02 21:57:15,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 133 states and 261 transitions. [2023-12-02 21:57:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2023-12-02 21:57:15,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 21:57:15,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:15,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:15,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:57:15,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2597 backedges. 189 proven. 13 refuted. 0 times theorem prover too weak. 2395 trivial. 0 not checked. [2023-12-02 21:57:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 133 states and 259 transitions. [2023-12-02 21:57:15,797 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 259 transitions. [2023-12-02 21:57:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-02 21:57:15,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:15,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:15,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:57:15,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 71 proven. 253 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-02 21:57:19,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 136 states and 265 transitions. [2023-12-02 21:57:19,284 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2023-12-02 21:57:19,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-02 21:57:19,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:19,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:19,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:57:19,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2760 backedges. 71 proven. 274 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-02 21:57:24,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:24,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 139 states and 270 transitions. [2023-12-02 21:57:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 270 transitions. [2023-12-02 21:57:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-12-02 21:57:24,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:24,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:24,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:57:24,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2885 backedges. 73 proven. 256 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-12-02 21:57:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 140 states and 272 transitions. [2023-12-02 21:57:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 272 transitions. [2023-12-02 21:57:28,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-12-02 21:57:28,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:28,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:28,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:57:28,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2913 backedges. 73 proven. 284 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-12-02 21:57:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:33,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 141 states and 275 transitions. [2023-12-02 21:57:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 275 transitions. [2023-12-02 21:57:33,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-02 21:57:33,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:33,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:33,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:57:33,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 3035 backedges. 75 proven. 259 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-12-02 21:57:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 142 states and 277 transitions. [2023-12-02 21:57:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 277 transitions. [2023-12-02 21:57:37,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-12-02 21:57:37,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:37,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-02 21:57:37,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:38,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3070 backedges. 75 proven. 294 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-12-02 21:57:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 143 states and 279 transitions. [2023-12-02 21:57:40,802 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 279 transitions. [2023-12-02 21:57:40,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2023-12-02 21:57:40,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:40,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:40,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:57:40,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3231 backedges. 77 proven. 304 refuted. 0 times theorem prover too weak. 2850 trivial. 0 not checked. [2023-12-02 21:57:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:42,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 145 states and 285 transitions. [2023-12-02 21:57:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 285 transitions. [2023-12-02 21:57:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-12-02 21:57:42,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:42,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:57:42,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3396 backedges. 219 proven. 13 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2023-12-02 21:57:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:43,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 145 states and 283 transitions. [2023-12-02 21:57:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 283 transitions. [2023-12-02 21:57:43,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-12-02 21:57:43,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:43,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:43,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:57:43,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3558 backedges. 81 proven. 317 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked. [2023-12-02 21:57:47,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:47,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 148 states and 289 transitions. [2023-12-02 21:57:47,419 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 289 transitions. [2023-12-02 21:57:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2023-12-02 21:57:47,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:47,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:47,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 21:57:47,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3582 backedges. 81 proven. 341 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked. [2023-12-02 21:57:53,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 151 states and 294 transitions. [2023-12-02 21:57:53,403 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 294 transitions. [2023-12-02 21:57:53,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-02 21:57:53,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:53,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:53,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-02 21:57:53,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3724 backedges. 83 proven. 320 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2023-12-02 21:57:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 152 states and 297 transitions. [2023-12-02 21:57:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 297 transitions. [2023-12-02 21:57:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-02 21:57:58,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:58,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 77 conjunts are in the unsatisfiable core [2023-12-02 21:57:58,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 83 proven. 352 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2023-12-02 21:58:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 153 states and 300 transitions. [2023-12-02 21:58:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 300 transitions. [2023-12-02 21:58:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-02 21:58:04,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:04,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 21:58:04,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3894 backedges. 85 proven. 323 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-02 21:58:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 155 states and 304 transitions. [2023-12-02 21:58:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 304 transitions. [2023-12-02 21:58:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-02 21:58:12,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:12,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:12,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:58:12,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 3934 backedges. 85 proven. 363 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-02 21:58:16,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 156 states and 305 transitions. [2023-12-02 21:58:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 305 transitions. [2023-12-02 21:58:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2023-12-02 21:58:16,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:16,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:16,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:58:16,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4116 backedges. 87 proven. 374 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2023-12-02 21:58:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:17,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 157 states and 309 transitions. [2023-12-02 21:58:17,787 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 309 transitions. [2023-12-02 21:58:17,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-12-02 21:58:17,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:17,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:58:17,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:17,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4302 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2023-12-02 21:58:18,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:18,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 157 states and 307 transitions. [2023-12-02 21:58:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 307 transitions. [2023-12-02 21:58:18,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-12-02 21:58:18,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:18,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 49 conjunts are in the unsatisfiable core [2023-12-02 21:58:18,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:19,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4484 backedges. 91 proven. 388 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-02 21:58:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 160 states and 313 transitions. [2023-12-02 21:58:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 313 transitions. [2023-12-02 21:58:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2023-12-02 21:58:23,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:23,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:23,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 69 conjunts are in the unsatisfiable core [2023-12-02 21:58:23,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4511 backedges. 91 proven. 415 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-02 21:58:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 163 states and 318 transitions. [2023-12-02 21:58:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 318 transitions. [2023-12-02 21:58:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-02 21:58:30,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:30,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:30,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:58:30,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 4670 backedges. 93 proven. 391 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2023-12-02 21:58:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 164 states and 320 transitions. [2023-12-02 21:58:38,269 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 320 transitions. [2023-12-02 21:58:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-02 21:58:38,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:38,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:38,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 85 conjunts are in the unsatisfiable core [2023-12-02 21:58:38,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4706 backedges. 93 proven. 427 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2023-12-02 21:58:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:45,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 165 states and 324 transitions. [2023-12-02 21:58:45,476 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 324 transitions. [2023-12-02 21:58:45,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-12-02 21:58:45,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:45,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:45,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-02 21:58:45,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 95 proven. 394 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-02 21:58:52,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:52,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 166 states and 326 transitions. [2023-12-02 21:58:52,468 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 326 transitions. [2023-12-02 21:58:52,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-12-02 21:58:52,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:52,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:52,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 21:58:52,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4905 backedges. 95 proven. 439 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-02 21:58:56,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 167 states and 326 transitions. [2023-12-02 21:58:57,000 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 326 transitions. [2023-12-02 21:58:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-12-02 21:58:57,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:57,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:57,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:58:57,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5108 backedges. 97 proven. 451 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2023-12-02 21:58:58,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:58,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 168 states and 330 transitions. [2023-12-02 21:58:58,588 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 330 transitions. [2023-12-02 21:58:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2023-12-02 21:58:58,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:58,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:58,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:58:58,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5315 backedges. 279 proven. 13 refuted. 0 times theorem prover too weak. 5023 trivial. 0 not checked. [2023-12-02 21:58:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:59,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 168 states and 328 transitions. [2023-12-02 21:58:59,527 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 328 transitions. [2023-12-02 21:58:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-12-02 21:58:59,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:59,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:59,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-02 21:58:59,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5517 backedges. 101 proven. 466 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2023-12-02 21:59:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 171 states and 334 transitions. [2023-12-02 21:59:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2023-12-02 21:59:04,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-02 21:59:04,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:04,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:04,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:04,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 21:59:04,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 5547 backedges. 101 proven. 496 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2023-12-02 21:59:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 174 states and 339 transitions. [2023-12-02 21:59:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 339 transitions. [2023-12-02 21:59:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2023-12-02 21:59:14,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:14,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:14,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 72 conjunts are in the unsatisfiable core [2023-12-02 21:59:14,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5723 backedges. 103 proven. 469 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-12-02 21:59:20,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:20,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 175 states and 342 transitions. [2023-12-02 21:59:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 342 transitions. [2023-12-02 21:59:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-02 21:59:20,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:20,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:20,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 93 conjunts are in the unsatisfiable core [2023-12-02 21:59:20,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 5763 backedges. 103 proven. 509 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-12-02 21:59:29,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 176 states and 345 transitions. [2023-12-02 21:59:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 345 transitions. [2023-12-02 21:59:29,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2023-12-02 21:59:29,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:30,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-02 21:59:30,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 5933 backedges. 105 proven. 472 refuted. 0 times theorem prover too weak. 5356 trivial. 0 not checked. [2023-12-02 21:59:39,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:39,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 178 states and 349 transitions. [2023-12-02 21:59:39,163 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 349 transitions. [2023-12-02 21:59:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2023-12-02 21:59:39,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:39,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:39,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 78 conjunts are in the unsatisfiable core [2023-12-02 21:59:39,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5983 backedges. 105 proven. 522 refuted. 0 times theorem prover too weak. 5356 trivial. 0 not checked. [2023-12-02 21:59:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:44,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 179 states and 351 transitions. [2023-12-02 21:59:44,604 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 351 transitions. [2023-12-02 21:59:44,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-02 21:59:44,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:44,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:44,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:59:44,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6207 backedges. 107 proven. 535 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2023-12-02 21:59:47,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 181 states and 357 transitions. [2023-12-02 21:59:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 357 transitions. [2023-12-02 21:59:47,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2023-12-02 21:59:47,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:47,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:59:47,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6435 backedges. 309 proven. 13 refuted. 0 times theorem prover too weak. 6113 trivial. 0 not checked. [2023-12-02 21:59:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 181 states and 355 transitions. [2023-12-02 21:59:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 355 transitions. [2023-12-02 21:59:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-02 21:59:48,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:48,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:48,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:48,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-02 21:59:48,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6657 backedges. 111 proven. 551 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-02 21:59:54,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:54,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 184 states and 361 transitions. [2023-12-02 21:59:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 361 transitions. [2023-12-02 21:59:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2023-12-02 21:59:54,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:54,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:54,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 81 conjunts are in the unsatisfiable core [2023-12-02 21:59:54,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:02,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6690 backedges. 111 proven. 584 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-02 22:00:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 187 states and 366 transitions. [2023-12-02 22:00:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 366 transitions. [2023-12-02 22:00:05,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2023-12-02 22:00:05,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:05,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 22:00:05,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6883 backedges. 113 proven. 554 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2023-12-02 22:00:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 188 states and 368 transitions. [2023-12-02 22:00:15,225 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 368 transitions. [2023-12-02 22:00:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2023-12-02 22:00:15,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:15,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:15,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 101 conjunts are in the unsatisfiable core [2023-12-02 22:00:15,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 6927 backedges. 113 proven. 598 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2023-12-02 22:00:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 189 states and 372 transitions. [2023-12-02 22:00:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 372 transitions. [2023-12-02 22:00:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2023-12-02 22:00:26,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:26,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:26,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-02 22:00:26,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 7113 backedges. 115 proven. 557 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2023-12-02 22:00:39,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 190 states and 374 transitions. [2023-12-02 22:00:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 374 transitions. [2023-12-02 22:00:39,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2023-12-02 22:00:39,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:39,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 107 conjunts are in the unsatisfiable core [2023-12-02 22:00:39,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:49,305 INFO L134 CoverageAnalysis]: Checked inductivity of 7168 backedges. 115 proven. 612 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2023-12-02 22:00:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 191 states and 374 transitions. [2023-12-02 22:00:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 374 transitions. [2023-12-02 22:00:52,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2023-12-02 22:00:52,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:52,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:52,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 61 conjunts are in the unsatisfiable core [2023-12-02 22:00:52,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 7413 backedges. 117 proven. 626 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2023-12-02 22:00:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:54,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 192 states and 378 transitions. [2023-12-02 22:00:54,194 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 378 transitions. [2023-12-02 22:00:54,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2023-12-02 22:00:54,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:54,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:54,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:00:54,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7662 backedges. 339 proven. 13 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2023-12-02 22:00:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 192 states and 376 transitions. [2023-12-02 22:00:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 376 transitions. [2023-12-02 22:00:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2023-12-02 22:00:55,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:55,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 22:00:55,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7904 backedges. 121 proven. 643 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2023-12-02 22:01:12,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 145 states and 265 transitions. [2023-12-02 22:01:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 265 transitions. [2023-12-02 22:01:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2023-12-02 22:01:12,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:12,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:12,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 82 conjunts are in the unsatisfiable core [2023-12-02 22:01:12,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8150 backedges. 123 proven. 646 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-12-02 22:01:21,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:21,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 144 states and 261 transitions. [2023-12-02 22:01:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 261 transitions. [2023-12-02 22:01:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2023-12-02 22:01:21,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:21,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:21,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 107 conjunts are in the unsatisfiable core [2023-12-02 22:01:21,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8400 backedges. 125 proven. 649 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-12-02 22:01:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 137 states and 251 transitions. [2023-12-02 22:01:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 251 transitions. [2023-12-02 22:01:34,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:01:34,409 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 98 iterations. [2023-12-02 22:01:34,416 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 22:01:38,607 INFO L560 CodeCheckObserver]: Invariant with dag size 124 [2023-12-02 22:01:38,615 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:01:38,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:01:38 ImpRootNode [2023-12-02 22:01:38,616 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:01:38,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:01:38,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:01:38,616 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:01:38,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:56:00" (3/4) ... [2023-12-02 22:01:38,618 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:01:38,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 22:01:38,623 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 22:01:38,623 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 22:01:38,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:01:38,624 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:01:38,702 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:01:38,703 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:01:38,703 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:01:38,704 INFO L158 Benchmark]: Toolchain (without parser) took 339026.39ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 115.0MB in the beginning and 919.1MB in the end (delta: -804.0MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,704 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:01:38,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.25ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 103.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.63ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:01:38,705 INFO L158 Benchmark]: Boogie Preprocessor took 16.89ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,705 INFO L158 Benchmark]: RCFGBuilder took 311.93ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 87.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,706 INFO L158 Benchmark]: CodeCheck took 338361.57ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 87.4MB in the beginning and 924.3MB in the end (delta: -836.9MB). Peak memory consumption was 851.3MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,706 INFO L158 Benchmark]: Witness Printer took 86.74ms. Allocated memory is still 1.2GB. Free memory was 924.3MB in the beginning and 919.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 22:01:38,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 334.1s, OverallIterations: 98, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10652 SdHoareTripleChecker+Valid, 419.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6669 mSDsluCounter, 8921 SdHoareTripleChecker+Invalid, 381.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7858 mSDsCounter, 83358 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175911 IncrementalHoareTripleChecker+Invalid, 259269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83358 mSolverCounterUnsat, 1063 mSDtfsCounter, 175911 mSolverCounterSat, 2.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138116 GetRequests, 131850 SyntacticMatches, 5114 SemanticMatches, 1152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2430230 ImplicationChecksByTransitivity, 287.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.8s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 165.5s InterpolantComputationTime, 17116 NumberOfCodeBlocks, 17116 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 17019 ConstructedInterpolants, 0 QuantifiedInterpolants, 60599 SizeOfPredicates, 249 NumberOfNonLiveVariables, 37154 ConjunctsInSsa, 4335 ConjunctsInUnsatCore, 97 InterpolantComputations, 2 PerfectInterpolantSequences, 249430/270782 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((n == 10) && !((x == 1000))) || !((z == (6 + (6 * n))))) || ((y == 61) && !((64 == x)))) || ((9 == n) && (8 <= a))) || ((30 == z) && (3 <= a))) || ((91 == y) && (4 <= a))) || ((1 <= a) && (z == 18))) || (!((x == 8)) && (19 == y))) || ((((((((!(((n == 4) && (y == 61))) && !(((7 == n) && (169 == y)))) && !(((n == 8) && (y == 217)))) && !(((3 == n) && (y == 37)))) && !(((5 == n) && (91 == y)))) && !(((6 == n) && (y == 127)))) && !(((331 == y) && (n == 10)))) && !(((2 == n) && (19 == y)))) && !(((y == 271) && (9 == n))))) || (!((x == 729)) && (9 == n))) || ((5 <= a) && (42 == z))) || ((6 <= a) && (169 == y))) || ((2 <= a) && (x == 27))) || ((7 <= a) && (x == 512))) || (9 <= a)) || ((169 == y) && !((343 == x)))) || (!((x == 216)) && (y == 127))) || (!((125 == x)) && (91 == y))) || (!((x == 27)) && (y == 37))) || (!((x == 512)) && (y == 217))) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 57.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.25ms. Allocated memory is still 153.1MB. Free memory was 114.6MB in the beginning and 103.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.63ms. Allocated memory is still 153.1MB. Free memory was 103.5MB in the beginning and 102.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.89ms. Allocated memory is still 153.1MB. Free memory was 102.0MB in the beginning and 101.0MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 311.93ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 87.4MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 338361.57ms. Allocated memory was 153.1MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 87.4MB in the beginning and 924.3MB in the end (delta: -836.9MB). Peak memory consumption was 851.3MB. Max. memory is 16.1GB. * Witness Printer took 86.74ms. Allocated memory is still 1.2GB. Free memory was 924.3MB in the beginning and 919.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:01:38,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0aa6cf8-c10f-4e81-9504-1c5fb1cc0b27/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE