./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/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_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/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_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/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 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:33:58,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:33:58,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:33:58,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:33:58,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:33:58,398 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:33:58,399 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:33:58,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:33:58,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:33:58,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:33:58,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:33:58,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:33:58,402 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:33:58,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:33:58,403 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:33:58,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:33:58,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:33:58,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:33:58,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:33:58,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:33:58,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:33:58,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:33:58,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:33:58,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:33:58,408 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:33:58,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:33:58,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:33:58,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:33:58,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:33:58,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:33:58,410 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:33:58,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:33:58,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:33:58,421 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_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a [2023-12-02 21:33:58,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:33:58,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:33:58,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:33:58,662 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:33:58,662 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:33:58,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-12-02 21:34:01,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:34:01,614 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:34:01,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-12-02 21:34:01,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/data/b65df0a61/1e43015753a74cb8855ab2205e1ea2ee/FLAGb3311e623 [2023-12-02 21:34:01,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/data/b65df0a61/1e43015753a74cb8855ab2205e1ea2ee [2023-12-02 21:34:01,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:34:01,636 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:34:01,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:01,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:34:01,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:34:01,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d771275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01, skipping insertion in model container [2023-12-02 21:34:01,642 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:34:01,777 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_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2023-12-02 21:34:01,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:01,801 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:34:01,811 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_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2023-12-02 21:34:01,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:34:01,830 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:34:01,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01 WrapperNode [2023-12-02 21:34:01,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:34:01,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:01,831 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:34:01,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:34:01,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,844 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,859 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-12-02 21:34:01,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:34:01,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:34:01,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:34:01,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:34:01,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:34:01,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:34:01,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:34:01,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:34:01,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:34:01" (1/1) ... [2023-12-02 21:34:01,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:34:01,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:34:01,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:34:01,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb9cd5b1-ce4a-48ea-8246-f65987a67f95/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:34:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:34:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:34:01,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:34:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:34:01,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:34:01,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:34:02,003 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:34:02,005 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:34:02,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:34:02,160 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:34:02,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:34:02,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:02 BoogieIcfgContainer [2023-12-02 21:34:02,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:34:02,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:34:02,164 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:34:02,171 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:34:02,171 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:34:02" (1/1) ... [2023-12-02 21:34:02,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:34:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-12-02 21:34:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-12-02 21:34:02,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:34:02,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:02,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:02,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:34:02,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:02,543 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 21:34:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-12-02 21:34:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-12-02 21:34:02,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:34:02,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:02,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:34:02,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:02,755 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 21:34:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 21:34:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 21:34:03,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:34:03,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:03,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:03,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:34:03,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:03,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:03,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-12-02 21:34:03,408 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-12-02 21:34:03,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:34:03,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:03,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:03,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:34:03,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-12-02 21:34:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-12-02 21:34:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:34:04,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:04,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:04,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:34:04,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:05,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-12-02 21:34:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-12-02 21:34:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:34:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:05,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:05,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:34:05,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:34:09,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 43 states and 98 transitions. [2023-12-02 21:34:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 98 transitions. [2023-12-02 21:34:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 21:34:09,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:09,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:34:09,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:10,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:34:11,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 44 states and 101 transitions. [2023-12-02 21:34:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 101 transitions. [2023-12-02 21:34:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 21:34:11,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:11,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:11,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 21:34:11,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:34:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 47 states and 114 transitions. [2023-12-02 21:34:13,894 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 114 transitions. [2023-12-02 21:34:13,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:34:13,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:13,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:13,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:34:13,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:16,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 51 states and 127 transitions. [2023-12-02 21:34:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 127 transitions. [2023-12-02 21:34:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:34:16,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:16,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:16,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:34:16,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 152 transitions. [2023-12-02 21:34:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 152 transitions. [2023-12-02 21:34:18,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:34:18,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:18,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:18,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:34:18,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:19,192 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:34:22,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:22,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 186 transitions. [2023-12-02 21:34:22,609 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 186 transitions. [2023-12-02 21:34:22,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:34:22,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:22,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:22,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:34:22,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:23,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:34:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:24,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 177 transitions. [2023-12-02 21:34:24,214 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 177 transitions. [2023-12-02 21:34:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:34:24,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:24,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:24,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:34:24,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:34:29,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 65 states and 197 transitions. [2023-12-02 21:34:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 197 transitions. [2023-12-02 21:34:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:34:29,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:29,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:29,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:34:29,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:29,484 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 73 states and 243 transitions. [2023-12-02 21:34:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 243 transitions. [2023-12-02 21:34:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:34:35,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:35,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:35,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:34:35,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:34:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 74 states and 244 transitions. [2023-12-02 21:34:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 244 transitions. [2023-12-02 21:34:35,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:34:35,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:35,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:36,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:34:36,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:34:42,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:42,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 78 states and 279 transitions. [2023-12-02 21:34:42,618 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 279 transitions. [2023-12-02 21:34:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:34:42,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:42,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:42,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:34:42,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:34:45,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 78 states and 263 transitions. [2023-12-02 21:34:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 263 transitions. [2023-12-02 21:34:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:34:45,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:45,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:34:45,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:49,265 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:35:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 97 states and 355 transitions. [2023-12-02 21:35:06,453 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 355 transitions. [2023-12-02 21:35:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:35:06,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:06,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:06,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:35:06,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:35:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:15,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 100 states and 367 transitions. [2023-12-02 21:35:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 367 transitions. [2023-12-02 21:35:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:35:15,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:15,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:15,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:15,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:35:15,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:15,977 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:35:22,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:22,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 104 states and 380 transitions. [2023-12-02 21:35:22,892 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 380 transitions. [2023-12-02 21:35:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:35:22,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:22,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:35:22,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:35:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 108 states and 390 transitions. [2023-12-02 21:35:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 390 transitions. [2023-12-02 21:35:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:35:26,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:26,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:26,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:35:26,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:35:29,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:29,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 112 states and 432 transitions. [2023-12-02 21:35:29,840 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 432 transitions. [2023-12-02 21:35:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:35:29,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:29,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:29,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:35:29,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:35:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 116 states and 481 transitions. [2023-12-02 21:35:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 481 transitions. [2023-12-02 21:35:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:35:42,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:42,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:35:42,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:35:45,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 116 states and 476 transitions. [2023-12-02 21:35:45,638 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 476 transitions. [2023-12-02 21:35:45,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 21:35:45,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:45,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:45,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:45,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:35:45,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:35:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 116 states and 451 transitions. [2023-12-02 21:35:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 451 transitions. [2023-12-02 21:35:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:35:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:50,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 40 conjunts are in the unsatisfiable core [2023-12-02 21:35:50,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 18 proven. 59 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:36:21,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 130 states and 556 transitions. [2023-12-02 21:36:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 556 transitions. [2023-12-02 21:36:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:36:21,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:21,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:21,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:36:21,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:36:49,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:49,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 139 states and 595 transitions. [2023-12-02 21:36:49,112 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 595 transitions. [2023-12-02 21:36:49,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:36:49,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:49,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:49,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:36:49,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:36:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 140 states and 601 transitions. [2023-12-02 21:36:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 601 transitions. [2023-12-02 21:36:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 21:36:57,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:57,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:36:57,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 9 proven. 68 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:37:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 143 states and 640 transitions. [2023-12-02 21:37:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 640 transitions. [2023-12-02 21:37:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:37:16,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:16,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:17,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:37:17,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:37:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 147 states and 654 transitions. [2023-12-02 21:37:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 654 transitions. [2023-12-02 21:37:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:37:29,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:29,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:37:29,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:37:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 152 states and 720 transitions. [2023-12-02 21:37:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 720 transitions. [2023-12-02 21:37:36,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:37:36,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:36,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:36,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:37:36,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:37:38,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:38,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 153 states and 721 transitions. [2023-12-02 21:37:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 721 transitions. [2023-12-02 21:37:38,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:37:38,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:38,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:38,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:37:38,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:37:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:51,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 157 states and 727 transitions. [2023-12-02 21:37:51,378 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 727 transitions. [2023-12-02 21:37:51,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:37:51,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:51,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:51,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:37:51,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:58,748 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 34 proven. 62 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:38:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 161 states and 791 transitions. [2023-12-02 21:38:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 791 transitions. [2023-12-02 21:38:14,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:38:14,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:14,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:38:14,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 64 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:38:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:25,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 161 states and 755 transitions. [2023-12-02 21:38:25,444 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 755 transitions. [2023-12-02 21:38:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:38:25,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:25,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:38:25,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:29,105 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 23 proven. 64 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:38:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:34,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 161 states and 719 transitions. [2023-12-02 21:38:34,504 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 719 transitions. [2023-12-02 21:38:34,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:38:34,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:34,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:34,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:38:34,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 23 proven. 82 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:39:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 165 states and 796 transitions. [2023-12-02 21:39:00,584 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 796 transitions. [2023-12-02 21:39:00,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:39:00,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:00,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:39:00,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 23 proven. 82 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:39:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 168 states and 848 transitions. [2023-12-02 21:39:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 848 transitions. [2023-12-02 21:39:27,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:39:27,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:27,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:27,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:39:27,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:28,367 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:50,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 176 states and 943 transitions. [2023-12-02 21:39:50,478 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 943 transitions. [2023-12-02 21:39:50,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:39:50,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:50,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:50,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:39:50,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:52,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:52,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 177 states and 944 transitions. [2023-12-02 21:39:52,201 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 944 transitions. [2023-12-02 21:39:52,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:39:52,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:52,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:52,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:39:52,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 181 states and 950 transitions. [2023-12-02 21:40:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 950 transitions. [2023-12-02 21:40:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:40:09,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:09,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:10,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:40:10,023 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 28 proven. 88 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:42:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:03,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 213 states and 1216 transitions. [2023-12-02 21:42:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 1216 transitions. [2023-12-02 21:42:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:42:03,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:04,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:42:04,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 28 proven. 88 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:42:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:40,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 215 states and 1254 transitions. [2023-12-02 21:42:40,375 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 1254 transitions. [2023-12-02 21:42:40,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:42:40,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:40,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:40,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:42:40,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 28 proven. 88 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:43:04,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 216 states and 1231 transitions. [2023-12-02 21:43:04,585 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 1231 transitions. [2023-12-02 21:43:04,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:43:04,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:04,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:04,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:43:04,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 28 proven. 88 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:43:22,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 219 states and 1244 transitions. [2023-12-02 21:43:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 1244 transitions. [2023-12-02 21:43:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:43:22,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:22,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:22,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:43:22,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 42 proven. 86 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-12-02 21:43:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:37,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 220 states and 1258 transitions. [2023-12-02 21:43:37,603 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 1258 transitions. [2023-12-02 21:43:37,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:43:37,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:37,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:38,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:43:38,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:53,053 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:44:54,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 232 states and 1414 transitions. [2023-12-02 21:44:54,127 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 1414 transitions. [2023-12-02 21:44:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:44:54,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:54,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:54,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 21:44:54,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:07,765 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:45:38,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 236 states and 1447 transitions. [2023-12-02 21:45:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 1447 transitions. [2023-12-02 21:45:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:45:38,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:38,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:38,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:45:38,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 28 proven. 109 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:45:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 237 states and 1459 transitions. [2023-12-02 21:45:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 1459 transitions. [2023-12-02 21:45:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:45:55,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:55,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:55,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:45:55,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1944 states to 241 states and 1473 transitions. [2023-12-02 21:46:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 1473 transitions. [2023-12-02 21:46:19,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:46:19,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:19,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:19,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:46:19,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:19,621 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 245 states and 1486 transitions. [2023-12-02 21:46:30,924 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 1486 transitions. [2023-12-02 21:46:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:46:30,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:30,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:30,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:46:30,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:31,029 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:33,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:33,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 246 states and 1488 transitions. [2023-12-02 21:46:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 1488 transitions. [2023-12-02 21:46:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:46:33,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:33,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:33,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:46:33,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:44,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 248 states and 1493 transitions. [2023-12-02 21:46:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 1493 transitions. [2023-12-02 21:46:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:46:44,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:44,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:46:44,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:46:55,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 252 states and 1590 transitions. [2023-12-02 21:46:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 1590 transitions. [2023-12-02 21:46:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:46:55,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:55,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:55,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 21:46:55,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 50 proven. 114 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:47:45,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:45,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 256 states and 1682 transitions. [2023-12-02 21:47:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1682 transitions. [2023-12-02 21:47:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:47:45,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:45,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 45 conjunts are in the unsatisfiable core [2023-12-02 21:47:45,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 33 proven. 116 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 256 states and 1674 transitions. [2023-12-02 21:47:57,404 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 1674 transitions. [2023-12-02 21:47:57,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-02 21:47:57,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:57,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:57,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:47:57,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 50 proven. 114 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:48:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 258 states and 1609 transitions. [2023-12-02 21:48:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 1609 transitions. [2023-12-02 21:48:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:48:24,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:24,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:25,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 21:48:25,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 32 proven. 156 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked.