./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/ps2-ll.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_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/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_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/ps2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/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_4a199d8a-ee83-4434-95b5-93341b96726e/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 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:31:01,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:31:01,639 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:31:01,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:31:01,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:31:01,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:31:01,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:31:01,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:31:01,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:31:01,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:31:01,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:31:01,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:31:01,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:31:01,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:31:01,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:31:01,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:31:01,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:31:01,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:31:01,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:31:01,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:31:01,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:31:01,675 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:31:01,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:31:01,676 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:31:01,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:31:01,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:31:01,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:01,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:31:01,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:31:01,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:31:01,679 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:31:01,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:31:01,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:31:01,680 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_4a199d8a-ee83-4434-95b5-93341b96726e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 179b0134270d97f57074f9ac11d0788729a2f9ba65b60cccc5fdcd06091925db [2023-12-02 21:31:01,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:31:01,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:31:01,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:31:01,908 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:31:01,909 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:31:01,910 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-12-02 21:31:04,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:31:04,842 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:31:04,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/sv-benchmarks/c/nla-digbench/ps2-ll.c [2023-12-02 21:31:04,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/data/36f04bfbd/0aa875f599c54671845e220d00b60d32/FLAGdf92d8c0b [2023-12-02 21:31:04,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/data/36f04bfbd/0aa875f599c54671845e220d00b60d32 [2023-12-02 21:31:04,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:31:04,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:31:04,873 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:04,873 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:31:04,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:31:04,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:04" (1/1) ... [2023-12-02 21:31:04,881 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e926582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:04, skipping insertion in model container [2023-12-02 21:31:04,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:31:04" (1/1) ... [2023-12-02 21:31:04,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:31:05,053 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_4a199d8a-ee83-4434-95b5-93341b96726e/sv-benchmarks/c/nla-digbench/ps2-ll.c[454,467] [2023-12-02 21:31:05,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:05,076 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:31:05,089 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_4a199d8a-ee83-4434-95b5-93341b96726e/sv-benchmarks/c/nla-digbench/ps2-ll.c[454,467] [2023-12-02 21:31:05,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:31:05,107 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:31:05,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05 WrapperNode [2023-12-02 21:31:05,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:31:05,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:05,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:31:05,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:31:05,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,142 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-12-02 21:31:05,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:31:05,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:31:05,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:31:05,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:31:05,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,158 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:31:05,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:31:05,161 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:31:05,161 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:31:05,162 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:31:05,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:31:05,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:31:05,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a199d8a-ee83-4434-95b5-93341b96726e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:31:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:31:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:31:05,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:31:05,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:31:05,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:31:05,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:31:05,281 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:31:05,283 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:31:05,384 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:31:05,408 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:31:05,408 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:31:05,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:05 BoogieIcfgContainer [2023-12-02 21:31:05,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:31:05,411 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:31:05,411 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:31:05,419 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:31:05,419 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:31:05" (1/1) ... [2023-12-02 21:31:05,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:31:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:05,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-12-02 21:31:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-12-02 21:31:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:31:05,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:05,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:31:05,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:05,690 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 21:31:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-12-02 21:31:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-12-02 21:31:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:31:05,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:05,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:31:05,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:05,890 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 21:31:06,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:06,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-12-02 21:31:06,059 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-12-02 21:31:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:31:06,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:06,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:31:06,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:06,155 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 21:31:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-12-02 21:31:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-12-02 21:31:06,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:31:06,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:06,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:31:06,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:31:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-12-02 21:31:06,669 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-12-02 21:31:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:31:06,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:06,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:06,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:31:06,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:31:07,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:07,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-12-02 21:31:07,078 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-12-02 21:31:07,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:31:07,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:07,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:31:07,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:07,242 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:31:07,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:07,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-12-02 21:31:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-12-02 21:31:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:31:07,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:07,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:31:07,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 12 proven. 50 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:31:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-12-02 21:31:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-02 21:31:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:31:08,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:08,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:31:08,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:08,286 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 23 proven. 61 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:31:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-12-02 21:31:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-02 21:31:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:31:08,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:08,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:31:08,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:08,885 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 19 proven. 90 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-02 21:31:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:09,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-12-02 21:31:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-12-02 21:31:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-12-02 21:31:09,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:09,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:31:09,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 33 proven. 104 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:31:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:10,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-12-02 21:31:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-12-02 21:31:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-12-02 21:31:10,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:10,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 21:31:10,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 26 proven. 142 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:31:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-12-02 21:31:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-12-02 21:31:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:31:10,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:10,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:10,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 55 conjunts are in the unsatisfiable core [2023-12-02 21:31:10,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:10,985 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 43 proven. 159 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-02 21:31:11,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:11,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-12-02 21:31:11,571 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-12-02 21:31:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 21:31:11,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:11,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:11,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-02 21:31:11,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 33 proven. 206 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:31:12,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:12,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2023-12-02 21:31:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-12-02 21:31:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 21:31:12,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:12,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 63 conjunts are in the unsatisfiable core [2023-12-02 21:31:12,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:12,632 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 53 proven. 226 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-02 21:31:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2023-12-02 21:31:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2023-12-02 21:31:13,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:31:13,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:13,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:13,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 67 conjunts are in the unsatisfiable core [2023-12-02 21:31:13,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 40 proven. 282 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-02 21:31:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:14,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2023-12-02 21:31:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2023-12-02 21:31:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 21:31:14,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:14,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:14,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 71 conjunts are in the unsatisfiable core [2023-12-02 21:31:14,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 63 proven. 305 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:31:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:15,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2023-12-02 21:31:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2023-12-02 21:31:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 21:31:15,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:15,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:16,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 75 conjunts are in the unsatisfiable core [2023-12-02 21:31:16,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 47 proven. 370 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-02 21:31:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:17,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 66 states and 103 transitions. [2023-12-02 21:31:17,307 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 103 transitions. [2023-12-02 21:31:17,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:31:17,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:17,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:18,036 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 79 conjunts are in the unsatisfiable core [2023-12-02 21:31:18,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 73 proven. 396 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:31:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:19,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 69 states and 108 transitions. [2023-12-02 21:31:19,187 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 108 transitions. [2023-12-02 21:31:19,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:31:19,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:19,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:19,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 83 conjunts are in the unsatisfiable core [2023-12-02 21:31:19,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:20,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 54 proven. 470 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:31:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 72 states and 113 transitions. [2023-12-02 21:31:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2023-12-02 21:31:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-12-02 21:31:20,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:21,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 87 conjunts are in the unsatisfiable core [2023-12-02 21:31:21,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:21,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1143 backedges. 83 proven. 499 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:31:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 75 states and 118 transitions. [2023-12-02 21:31:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 118 transitions. [2023-12-02 21:31:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:31:22,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:23,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 91 conjunts are in the unsatisfiable core [2023-12-02 21:31:23,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1273 backedges. 61 proven. 582 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:31:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:24,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2023-12-02 21:31:24,397 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-12-02 21:31:24,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 21:31:24,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:24,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:24,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 95 conjunts are in the unsatisfiable core [2023-12-02 21:31:24,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1410 backedges. 93 proven. 614 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:31:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 81 states and 128 transitions. [2023-12-02 21:31:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 128 transitions. [2023-12-02 21:31:25,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-02 21:31:25,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:25,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 99 conjunts are in the unsatisfiable core [2023-12-02 21:31:25,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1554 backedges. 68 proven. 706 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-12-02 21:31:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2023-12-02 21:31:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2023-12-02 21:31:27,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 21:31:27,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:27,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 103 conjunts are in the unsatisfiable core [2023-12-02 21:31:27,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1705 backedges. 103 proven. 741 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-12-02 21:31:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 87 states and 138 transitions. [2023-12-02 21:31:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-12-02 21:31:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-12-02 21:31:29,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:29,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 107 conjunts are in the unsatisfiable core [2023-12-02 21:31:29,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 75 proven. 842 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-02 21:31:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:31,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2023-12-02 21:31:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2023-12-02 21:31:31,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 21:31:31,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:31,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:31,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 111 conjunts are in the unsatisfiable core [2023-12-02 21:31:31,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2028 backedges. 113 proven. 880 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 21:31:32,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:32,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 148 transitions. [2023-12-02 21:31:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 148 transitions. [2023-12-02 21:31:32,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-12-02 21:31:32,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:32,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:33,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 115 conjunts are in the unsatisfiable core [2023-12-02 21:31:33,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:33,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 82 proven. 990 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-12-02 21:31:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2023-12-02 21:31:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2023-12-02 21:31:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-02 21:31:34,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:35,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 119 conjunts are in the unsatisfiable core [2023-12-02 21:31:35,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 123 proven. 1031 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-12-02 21:31:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 158 transitions. [2023-12-02 21:31:37,067 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2023-12-02 21:31:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-02 21:31:37,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:37,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 123 conjunts are in the unsatisfiable core [2023-12-02 21:31:37,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:37,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2565 backedges. 89 proven. 1150 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-12-02 21:31:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 102 states and 163 transitions. [2023-12-02 21:31:39,155 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 163 transitions. [2023-12-02 21:31:39,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-12-02 21:31:39,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:39,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:39,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 127 conjunts are in the unsatisfiable core [2023-12-02 21:31:39,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:39,645 INFO L134 CoverageAnalysis]: Checked inductivity of 2758 backedges. 133 proven. 1194 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 21:31:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:41,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 105 states and 168 transitions. [2023-12-02 21:31:41,428 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 168 transitions. [2023-12-02 21:31:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-12-02 21:31:41,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:41,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:41,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 131 conjunts are in the unsatisfiable core [2023-12-02 21:31:41,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:41,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2958 backedges. 96 proven. 1322 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2023-12-02 21:31:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:43,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-12-02 21:31:43,826 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-12-02 21:31:43,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-12-02 21:31:43,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:43,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:43,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 135 conjunts are in the unsatisfiable core [2023-12-02 21:31:43,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:44,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3165 backedges. 143 proven. 1369 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 21:31:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 111 states and 178 transitions. [2023-12-02 21:31:46,401 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 178 transitions. [2023-12-02 21:31:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-12-02 21:31:46,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:46,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:46,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 139 conjunts are in the unsatisfiable core [2023-12-02 21:31:46,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3379 backedges. 103 proven. 1506 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-12-02 21:31:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:48,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 114 states and 183 transitions. [2023-12-02 21:31:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 183 transitions. [2023-12-02 21:31:48,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-02 21:31:48,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:48,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:49,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 143 conjunts are in the unsatisfiable core [2023-12-02 21:31:49,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:49,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3600 backedges. 153 proven. 1556 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-02 21:31:51,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 117 states and 188 transitions. [2023-12-02 21:31:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 188 transitions. [2023-12-02 21:31:51,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-02 21:31:51,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:51,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:51,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 147 conjunts are in the unsatisfiable core [2023-12-02 21:31:51,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 110 proven. 1702 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-12-02 21:31:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 120 states and 193 transitions. [2023-12-02 21:31:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-12-02 21:31:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-02 21:31:54,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:54,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 151 conjunts are in the unsatisfiable core [2023-12-02 21:31:54,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4063 backedges. 163 proven. 1755 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2023-12-02 21:31:57,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:31:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 123 states and 198 transitions. [2023-12-02 21:31:57,688 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-12-02 21:31:57,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-12-02 21:31:57,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:31:57,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:31:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:31:57,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 155 conjunts are in the unsatisfiable core [2023-12-02 21:31:57,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:31:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 117 proven. 1910 refuted. 0 times theorem prover too weak. 2278 trivial. 0 not checked. [2023-12-02 21:32:00,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 126 states and 203 transitions. [2023-12-02 21:32:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 203 transitions. [2023-12-02 21:32:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2023-12-02 21:32:00,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:00,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:01,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 159 conjunts are in the unsatisfiable core [2023-12-02 21:32:01,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4554 backedges. 173 proven. 1966 refuted. 0 times theorem prover too weak. 2415 trivial. 0 not checked. [2023-12-02 21:32:04,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:04,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 129 states and 208 transitions. [2023-12-02 21:32:04,230 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 208 transitions. [2023-12-02 21:32:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-12-02 21:32:04,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:04,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:04,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 163 conjunts are in the unsatisfiable core [2023-12-02 21:32:04,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:04,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4810 backedges. 124 proven. 2130 refuted. 0 times theorem prover too weak. 2556 trivial. 0 not checked. [2023-12-02 21:32:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 132 states and 213 transitions. [2023-12-02 21:32:07,761 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 213 transitions. [2023-12-02 21:32:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2023-12-02 21:32:07,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:07,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:07,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 167 conjunts are in the unsatisfiable core [2023-12-02 21:32:07,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5073 backedges. 183 proven. 2189 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2023-12-02 21:32:11,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2023-12-02 21:32:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2023-12-02 21:32:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2023-12-02 21:32:11,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:11,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:11,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 171 conjunts are in the unsatisfiable core [2023-12-02 21:32:11,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:12,232 INFO L134 CoverageAnalysis]: Checked inductivity of 5343 backedges. 131 proven. 2362 refuted. 0 times theorem prover too weak. 2850 trivial. 0 not checked. [2023-12-02 21:32:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 138 states and 223 transitions. [2023-12-02 21:32:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-12-02 21:32:15,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2023-12-02 21:32:15,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:15,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:15,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 719 conjuncts, 175 conjunts are in the unsatisfiable core [2023-12-02 21:32:15,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5620 backedges. 193 proven. 2424 refuted. 0 times theorem prover too weak. 3003 trivial. 0 not checked. [2023-12-02 21:32:19,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 141 states and 228 transitions. [2023-12-02 21:32:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 228 transitions. [2023-12-02 21:32:19,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2023-12-02 21:32:19,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:19,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 179 conjunts are in the unsatisfiable core [2023-12-02 21:32:19,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 5904 backedges. 138 proven. 2606 refuted. 0 times theorem prover too weak. 3160 trivial. 0 not checked. [2023-12-02 21:32:23,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:23,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 144 states and 233 transitions. [2023-12-02 21:32:23,057 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 233 transitions. [2023-12-02 21:32:23,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2023-12-02 21:32:23,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:23,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 183 conjunts are in the unsatisfiable core [2023-12-02 21:32:23,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 203 proven. 2671 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2023-12-02 21:32:27,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 147 states and 238 transitions. [2023-12-02 21:32:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 238 transitions. [2023-12-02 21:32:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2023-12-02 21:32:27,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:27,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:27,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 187 conjunts are in the unsatisfiable core [2023-12-02 21:32:27,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 6493 backedges. 145 proven. 2862 refuted. 0 times theorem prover too weak. 3486 trivial. 0 not checked. [2023-12-02 21:32:31,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:31,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 150 states and 243 transitions. [2023-12-02 21:32:31,701 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 243 transitions. [2023-12-02 21:32:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2023-12-02 21:32:31,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:31,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:31,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 191 conjunts are in the unsatisfiable core [2023-12-02 21:32:31,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 6798 backedges. 213 proven. 2930 refuted. 0 times theorem prover too weak. 3655 trivial. 0 not checked. [2023-12-02 21:32:36,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:36,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 153 states and 248 transitions. [2023-12-02 21:32:36,309 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 248 transitions. [2023-12-02 21:32:36,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2023-12-02 21:32:36,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:36,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:36,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 195 conjunts are in the unsatisfiable core [2023-12-02 21:32:36,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:37,083 INFO L134 CoverageAnalysis]: Checked inductivity of 7110 backedges. 152 proven. 3130 refuted. 0 times theorem prover too weak. 3828 trivial. 0 not checked. [2023-12-02 21:32:41,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:41,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 156 states and 253 transitions. [2023-12-02 21:32:41,124 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 253 transitions. [2023-12-02 21:32:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2023-12-02 21:32:41,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:41,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:41,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 199 conjunts are in the unsatisfiable core [2023-12-02 21:32:41,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 7429 backedges. 223 proven. 3201 refuted. 0 times theorem prover too weak. 4005 trivial. 0 not checked. [2023-12-02 21:32:46,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:46,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 159 states and 258 transitions. [2023-12-02 21:32:46,002 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2023-12-02 21:32:46,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2023-12-02 21:32:46,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:46,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:46,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:46,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 203 conjunts are in the unsatisfiable core [2023-12-02 21:32:46,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7755 backedges. 159 proven. 3410 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2023-12-02 21:32:51,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2023-12-02 21:32:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2023-12-02 21:32:51,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-12-02 21:32:51,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:51,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:51,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 207 conjunts are in the unsatisfiable core [2023-12-02 21:32:51,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:51,857 INFO L134 CoverageAnalysis]: Checked inductivity of 8088 backedges. 233 proven. 3484 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2023-12-02 21:32:56,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:32:56,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 165 states and 268 transitions. [2023-12-02 21:32:56,279 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 268 transitions. [2023-12-02 21:32:56,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2023-12-02 21:32:56,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:32:56,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:32:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:32:56,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 211 conjunts are in the unsatisfiable core [2023-12-02 21:32:56,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:32:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 8428 backedges. 166 proven. 3702 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2023-12-02 21:33:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 168 states and 273 transitions. [2023-12-02 21:33:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 273 transitions. [2023-12-02 21:33:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2023-12-02 21:33:01,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:01,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:01,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-02 21:33:01,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8775 backedges. 243 proven. 3779 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2023-12-02 21:33:07,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 171 states and 278 transitions. [2023-12-02 21:33:07,160 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 278 transitions. [2023-12-02 21:33:07,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2023-12-02 21:33:07,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:07,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:07,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 219 conjunts are in the unsatisfiable core [2023-12-02 21:33:07,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 9129 backedges. 173 proven. 4006 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2023-12-02 21:33:13,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 174 states and 283 transitions. [2023-12-02 21:33:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 283 transitions. [2023-12-02 21:33:13,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-12-02 21:33:13,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:13,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:13,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 223 conjunts are in the unsatisfiable core [2023-12-02 21:33:13,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:13,945 INFO L134 CoverageAnalysis]: Checked inductivity of 9490 backedges. 253 proven. 4086 refuted. 0 times theorem prover too weak. 5151 trivial. 0 not checked. [2023-12-02 21:33:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 288 transitions. [2023-12-02 21:33:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 288 transitions. [2023-12-02 21:33:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2023-12-02 21:33:18,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:18,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:19,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 227 conjunts are in the unsatisfiable core [2023-12-02 21:33:19,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 9858 backedges. 180 proven. 4322 refuted. 0 times theorem prover too weak. 5356 trivial. 0 not checked. [2023-12-02 21:33:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2023-12-02 21:33:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2023-12-02 21:33:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-02 21:33:25,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:25,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:25,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 231 conjunts are in the unsatisfiable core [2023-12-02 21:33:25,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:26,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10233 backedges. 263 proven. 4405 refuted. 0 times theorem prover too weak. 5565 trivial. 0 not checked. [2023-12-02 21:33:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 183 states and 298 transitions. [2023-12-02 21:33:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 298 transitions. [2023-12-02 21:33:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2023-12-02 21:33:31,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:31,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:31,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 235 conjunts are in the unsatisfiable core [2023-12-02 21:33:31,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 10615 backedges. 187 proven. 4650 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2023-12-02 21:33:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:37,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 186 states and 303 transitions. [2023-12-02 21:33:37,726 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 303 transitions. [2023-12-02 21:33:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2023-12-02 21:33:37,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:37,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:37,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 239 conjunts are in the unsatisfiable core [2023-12-02 21:33:37,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 11004 backedges. 273 proven. 4736 refuted. 0 times theorem prover too weak. 5995 trivial. 0 not checked. [2023-12-02 21:33:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 189 states and 308 transitions. [2023-12-02 21:33:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 308 transitions. [2023-12-02 21:33:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-12-02 21:33:44,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:44,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:44,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 1008 conjuncts, 243 conjunts are in the unsatisfiable core [2023-12-02 21:33:44,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:45,428 INFO L134 CoverageAnalysis]: Checked inductivity of 11400 backedges. 194 proven. 4990 refuted. 0 times theorem prover too weak. 6216 trivial. 0 not checked. [2023-12-02 21:33:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:51,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 192 states and 313 transitions. [2023-12-02 21:33:51,494 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2023-12-02 21:33:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-12-02 21:33:51,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:51,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:51,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:51,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 247 conjunts are in the unsatisfiable core [2023-12-02 21:33:51,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11803 backedges. 115 proven. 5247 refuted. 0 times theorem prover too weak. 6441 trivial. 0 not checked. [2023-12-02 21:33:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:33:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 195 states and 318 transitions. [2023-12-02 21:33:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 318 transitions. [2023-12-02 21:33:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2023-12-02 21:33:58,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:33:58,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:33:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:33:58,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 251 conjunts are in the unsatisfiable core [2023-12-02 21:33:58,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:33:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12213 backedges. 201 proven. 5342 refuted. 0 times theorem prover too weak. 6670 trivial. 0 not checked. [2023-12-02 21:34:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 198 states and 323 transitions. [2023-12-02 21:34:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 323 transitions. [2023-12-02 21:34:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2023-12-02 21:34:05,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:05,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:06,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 255 conjunts are in the unsatisfiable core [2023-12-02 21:34:06,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:07,011 INFO L134 CoverageAnalysis]: Checked inductivity of 12630 backedges. 293 proven. 5434 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2023-12-02 21:34:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 201 states and 328 transitions. [2023-12-02 21:34:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 328 transitions. [2023-12-02 21:34:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2023-12-02 21:34:13,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:13,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:13,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 259 conjunts are in the unsatisfiable core [2023-12-02 21:34:13,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:14,420 INFO L134 CoverageAnalysis]: Checked inductivity of 13054 backedges. 208 proven. 5706 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2023-12-02 21:34:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 204 states and 333 transitions. [2023-12-02 21:34:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 333 transitions. [2023-12-02 21:34:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2023-12-02 21:34:20,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:20,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:21,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 263 conjunts are in the unsatisfiable core [2023-12-02 21:34:21,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:22,111 INFO L134 CoverageAnalysis]: Checked inductivity of 13485 backedges. 303 proven. 5801 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2023-12-02 21:34:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 207 states and 338 transitions. [2023-12-02 21:34:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 338 transitions. [2023-12-02 21:34:28,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2023-12-02 21:34:28,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:28,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:28,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 267 conjunts are in the unsatisfiable core [2023-12-02 21:34:28,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13923 backedges. 215 proven. 6082 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2023-12-02 21:34:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 210 states and 343 transitions. [2023-12-02 21:34:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 343 transitions. [2023-12-02 21:34:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2023-12-02 21:34:36,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:36,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:37,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 1127 conjuncts, 271 conjunts are in the unsatisfiable core [2023-12-02 21:34:37,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 14368 backedges. 313 proven. 6180 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2023-12-02 21:34:45,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 213 states and 348 transitions. [2023-12-02 21:34:45,414 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 348 transitions. [2023-12-02 21:34:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2023-12-02 21:34:45,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:45,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:45,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 275 conjunts are in the unsatisfiable core [2023-12-02 21:34:45,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 14820 backedges. 222 proven. 6470 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2023-12-02 21:34:53,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:34:53,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 216 states and 353 transitions. [2023-12-02 21:34:53,989 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 353 transitions. [2023-12-02 21:34:53,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2023-12-02 21:34:53,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:34:53,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:34:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:34:54,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 279 conjunts are in the unsatisfiable core [2023-12-02 21:34:54,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:34:55,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15279 backedges. 323 proven. 6571 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2023-12-02 21:35:02,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:02,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 219 states and 358 transitions. [2023-12-02 21:35:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 358 transitions. [2023-12-02 21:35:02,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2023-12-02 21:35:02,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:02,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:03,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 1178 conjuncts, 283 conjunts are in the unsatisfiable core [2023-12-02 21:35:03,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15745 backedges. 229 proven. 6870 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2023-12-02 21:35:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 222 states and 363 transitions. [2023-12-02 21:35:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 363 transitions. [2023-12-02 21:35:11,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2023-12-02 21:35:11,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:12,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 287 conjunts are in the unsatisfiable core [2023-12-02 21:35:12,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16218 backedges. 333 proven. 6974 refuted. 0 times theorem prover too weak. 8911 trivial. 0 not checked. [2023-12-02 21:35:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 225 states and 368 transitions. [2023-12-02 21:35:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 368 transitions. [2023-12-02 21:35:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2023-12-02 21:35:21,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:21,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:21,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 291 conjunts are in the unsatisfiable core [2023-12-02 21:35:21,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 16698 backedges. 236 proven. 7282 refuted. 0 times theorem prover too weak. 9180 trivial. 0 not checked. [2023-12-02 21:35:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 228 states and 373 transitions. [2023-12-02 21:35:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 373 transitions. [2023-12-02 21:35:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 497 [2023-12-02 21:35:31,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:31,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 1229 conjuncts, 295 conjunts are in the unsatisfiable core [2023-12-02 21:35:31,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 17185 backedges. 343 proven. 7389 refuted. 0 times theorem prover too weak. 9453 trivial. 0 not checked. [2023-12-02 21:35:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 231 states and 378 transitions. [2023-12-02 21:35:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 378 transitions. [2023-12-02 21:35:40,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2023-12-02 21:35:40,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:40,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:40,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 299 conjunts are in the unsatisfiable core [2023-12-02 21:35:40,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:41,876 INFO L134 CoverageAnalysis]: Checked inductivity of 17679 backedges. 243 proven. 7706 refuted. 0 times theorem prover too weak. 9730 trivial. 0 not checked. [2023-12-02 21:35:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 234 states and 383 transitions. [2023-12-02 21:35:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 383 transitions. [2023-12-02 21:35:50,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2023-12-02 21:35:50,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:50,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:50,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 303 conjunts are in the unsatisfiable core [2023-12-02 21:35:50,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:35:51,906 INFO L134 CoverageAnalysis]: Checked inductivity of 18180 backedges. 353 proven. 7816 refuted. 0 times theorem prover too weak. 10011 trivial. 0 not checked. [2023-12-02 21:36:01,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 237 states and 388 transitions. [2023-12-02 21:36:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 388 transitions. [2023-12-02 21:36:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2023-12-02 21:36:01,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:01,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:01,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 307 conjunts are in the unsatisfiable core [2023-12-02 21:36:01,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 18688 backedges. 250 proven. 8142 refuted. 0 times theorem prover too weak. 10296 trivial. 0 not checked. [2023-12-02 21:36:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 240 states and 393 transitions. [2023-12-02 21:36:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 393 transitions. [2023-12-02 21:36:12,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2023-12-02 21:36:12,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:12,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 311 conjunts are in the unsatisfiable core [2023-12-02 21:36:12,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 19203 backedges. 363 proven. 8255 refuted. 0 times theorem prover too weak. 10585 trivial. 0 not checked. [2023-12-02 21:36:23,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:23,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 243 states and 398 transitions. [2023-12-02 21:36:23,380 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 398 transitions. [2023-12-02 21:36:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2023-12-02 21:36:23,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:23,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:23,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 315 conjunts are in the unsatisfiable core [2023-12-02 21:36:23,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 19725 backedges. 257 proven. 8590 refuted. 0 times theorem prover too weak. 10878 trivial. 0 not checked. [2023-12-02 21:36:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 246 states and 403 transitions. [2023-12-02 21:36:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 403 transitions. [2023-12-02 21:36:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2023-12-02 21:36:34,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:34,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:34,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 319 conjunts are in the unsatisfiable core [2023-12-02 21:36:34,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:35,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20254 backedges. 373 proven. 8706 refuted. 0 times theorem prover too weak. 11175 trivial. 0 not checked. [2023-12-02 21:36:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 249 states and 408 transitions. [2023-12-02 21:36:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 408 transitions. [2023-12-02 21:36:45,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2023-12-02 21:36:45,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:45,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:46,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 323 conjunts are in the unsatisfiable core [2023-12-02 21:36:46,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 20790 backedges. 264 proven. 9050 refuted. 0 times theorem prover too weak. 11476 trivial. 0 not checked. [2023-12-02 21:36:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 252 states and 413 transitions. [2023-12-02 21:36:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 413 transitions. [2023-12-02 21:36:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2023-12-02 21:36:58,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:58,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 1365 conjuncts, 327 conjunts are in the unsatisfiable core [2023-12-02 21:36:58,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:36:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 21333 backedges. 383 proven. 9169 refuted. 0 times theorem prover too weak. 11781 trivial. 0 not checked. [2023-12-02 21:37:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 255 states and 418 transitions. [2023-12-02 21:37:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 418 transitions. [2023-12-02 21:37:09,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2023-12-02 21:37:09,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:10,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 331 conjunts are in the unsatisfiable core [2023-12-02 21:37:10,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 21883 backedges. 271 proven. 9522 refuted. 0 times theorem prover too weak. 12090 trivial. 0 not checked. [2023-12-02 21:37:22,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:22,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 258 states and 423 transitions. [2023-12-02 21:37:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 423 transitions. [2023-12-02 21:37:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2023-12-02 21:37:22,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:22,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:22,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 335 conjunts are in the unsatisfiable core [2023-12-02 21:37:22,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 22440 backedges. 393 proven. 9644 refuted. 0 times theorem prover too weak. 12403 trivial. 0 not checked. [2023-12-02 21:37:34,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:34,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 261 states and 428 transitions. [2023-12-02 21:37:34,679 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 428 transitions. [2023-12-02 21:37:34,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 574 [2023-12-02 21:37:34,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:34,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:35,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 339 conjunts are in the unsatisfiable core [2023-12-02 21:37:35,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 23004 backedges. 278 proven. 10006 refuted. 0 times theorem prover too weak. 12720 trivial. 0 not checked. [2023-12-02 21:37:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 264 states and 433 transitions. [2023-12-02 21:37:47,601 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 433 transitions. [2023-12-02 21:37:47,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2023-12-02 21:37:47,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:47,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 343 conjunts are in the unsatisfiable core [2023-12-02 21:37:47,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:37:49,226 INFO L134 CoverageAnalysis]: Checked inductivity of 23575 backedges. 403 proven. 10131 refuted. 0 times theorem prover too weak. 13041 trivial. 0 not checked. [2023-12-02 21:38:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 267 states and 438 transitions. [2023-12-02 21:38:00,980 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 438 transitions. [2023-12-02 21:38:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2023-12-02 21:38:00,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:01,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 347 conjunts are in the unsatisfiable core [2023-12-02 21:38:01,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24153 backedges. 285 proven. 10502 refuted. 0 times theorem prover too weak. 13366 trivial. 0 not checked. [2023-12-02 21:38:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 270 states and 443 transitions. [2023-12-02 21:38:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 443 transitions. [2023-12-02 21:38:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-02 21:38:13,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:13,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:14,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1467 conjuncts, 351 conjunts are in the unsatisfiable core [2023-12-02 21:38:14,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24738 backedges. 413 proven. 10630 refuted. 0 times theorem prover too weak. 13695 trivial. 0 not checked. [2023-12-02 21:38:27,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:27,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 273 states and 448 transitions. [2023-12-02 21:38:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 448 transitions. [2023-12-02 21:38:27,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 602 [2023-12-02 21:38:27,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:27,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:27,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 355 conjunts are in the unsatisfiable core [2023-12-02 21:38:27,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 25330 backedges. 292 proven. 11010 refuted. 0 times theorem prover too weak. 14028 trivial. 0 not checked. [2023-12-02 21:38:40,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:40,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 276 states and 453 transitions. [2023-12-02 21:38:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 453 transitions. [2023-12-02 21:38:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2023-12-02 21:38:40,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:41,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 359 conjunts are in the unsatisfiable core [2023-12-02 21:38:41,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 25929 backedges. 423 proven. 11141 refuted. 0 times theorem prover too weak. 14365 trivial. 0 not checked. [2023-12-02 21:38:54,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:38:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 279 states and 458 transitions. [2023-12-02 21:38:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 458 transitions. [2023-12-02 21:38:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2023-12-02 21:38:54,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:38:54,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:38:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:38:55,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 363 conjunts are in the unsatisfiable core [2023-12-02 21:38:55,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:38:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 26535 backedges. 299 proven. 11530 refuted. 0 times theorem prover too weak. 14706 trivial. 0 not checked. [2023-12-02 21:39:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 282 states and 463 transitions. [2023-12-02 21:39:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 463 transitions. [2023-12-02 21:39:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2023-12-02 21:39:09,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:09,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 1535 conjuncts, 367 conjunts are in the unsatisfiable core [2023-12-02 21:39:09,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 27148 backedges. 433 proven. 11664 refuted. 0 times theorem prover too weak. 15051 trivial. 0 not checked. [2023-12-02 21:39:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 285 states and 468 transitions. [2023-12-02 21:39:24,497 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 468 transitions. [2023-12-02 21:39:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2023-12-02 21:39:24,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:24,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:24,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1552 conjuncts, 371 conjunts are in the unsatisfiable core [2023-12-02 21:39:24,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 27768 backedges. 306 proven. 12062 refuted. 0 times theorem prover too weak. 15400 trivial. 0 not checked. [2023-12-02 21:39:39,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:39,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 288 states and 473 transitions. [2023-12-02 21:39:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 473 transitions. [2023-12-02 21:39:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2023-12-02 21:39:39,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:39,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:39,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 1569 conjuncts, 375 conjunts are in the unsatisfiable core [2023-12-02 21:39:40,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28395 backedges. 182 proven. 12460 refuted. 0 times theorem prover too weak. 15753 trivial. 0 not checked. [2023-12-02 21:39:54,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 291 states and 478 transitions. [2023-12-02 21:39:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 478 transitions. [2023-12-02 21:39:54,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2023-12-02 21:39:54,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:54,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:55,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 379 conjunts are in the unsatisfiable core [2023-12-02 21:39:55,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:39:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 29029 backedges. 313 proven. 12606 refuted. 0 times theorem prover too weak. 16110 trivial. 0 not checked. [2023-12-02 21:40:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 294 states and 483 transitions. [2023-12-02 21:40:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 483 transitions. [2023-12-02 21:40:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2023-12-02 21:40:10,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:10,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:10,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 1603 conjuncts, 383 conjunts are in the unsatisfiable core [2023-12-02 21:40:10,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:12,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29670 backedges. 453 proven. 12746 refuted. 0 times theorem prover too weak. 16471 trivial. 0 not checked. [2023-12-02 21:40:26,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 297 states and 488 transitions. [2023-12-02 21:40:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 488 transitions. [2023-12-02 21:40:26,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 658 [2023-12-02 21:40:26,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:26,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:27,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 387 conjunts are in the unsatisfiable core [2023-12-02 21:40:27,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:28,587 INFO L134 CoverageAnalysis]: Checked inductivity of 30318 backedges. 320 proven. 13162 refuted. 0 times theorem prover too weak. 16836 trivial. 0 not checked. [2023-12-02 21:40:43,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:43,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 300 states and 493 transitions. [2023-12-02 21:40:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 493 transitions. [2023-12-02 21:40:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2023-12-02 21:40:43,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:40:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:43,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 1637 conjuncts, 391 conjunts are in the unsatisfiable core [2023-12-02 21:40:43,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30973 backedges. 463 proven. 13305 refuted. 0 times theorem prover too weak. 17205 trivial. 0 not checked. [2023-12-02 21:40:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 303 states and 498 transitions. [2023-12-02 21:40:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 498 transitions. [2023-12-02 21:40:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 672 [2023-12-02 21:40:59,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:00,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 1654 conjuncts, 395 conjunts are in the unsatisfiable core [2023-12-02 21:41:00,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:01,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31635 backedges. 327 proven. 13730 refuted. 0 times theorem prover too weak. 17578 trivial. 0 not checked. [2023-12-02 21:41:16,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:16,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 306 states and 503 transitions. [2023-12-02 21:41:16,971 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 503 transitions. [2023-12-02 21:41:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2023-12-02 21:41:16,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:16,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:17,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 1671 conjuncts, 399 conjunts are in the unsatisfiable core [2023-12-02 21:41:17,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32304 backedges. 473 proven. 13876 refuted. 0 times theorem prover too weak. 17955 trivial. 0 not checked. [2023-12-02 21:41:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 309 states and 508 transitions. [2023-12-02 21:41:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 508 transitions. [2023-12-02 21:41:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2023-12-02 21:41:34,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:34,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:34,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 1688 conjuncts, 403 conjunts are in the unsatisfiable core [2023-12-02 21:41:34,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:36,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32980 backedges. 334 proven. 14310 refuted. 0 times theorem prover too weak. 18336 trivial. 0 not checked. [2023-12-02 21:41:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 312 states and 513 transitions. [2023-12-02 21:41:52,226 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 513 transitions. [2023-12-02 21:41:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2023-12-02 21:41:52,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:52,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:41:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:52,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 407 conjunts are in the unsatisfiable core [2023-12-02 21:41:52,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 33663 backedges. 483 proven. 14459 refuted. 0 times theorem prover too weak. 18721 trivial. 0 not checked. [2023-12-02 21:42:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 315 states and 518 transitions. [2023-12-02 21:42:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 518 transitions. [2023-12-02 21:42:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2023-12-02 21:42:10,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 1722 conjuncts, 411 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 34353 backedges. 341 proven. 14902 refuted. 0 times theorem prover too weak. 19110 trivial. 0 not checked. [2023-12-02 21:42:28,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 318 states and 523 transitions. [2023-12-02 21:42:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 523 transitions. [2023-12-02 21:42:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 707 [2023-12-02 21:42:28,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:28,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:28,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 1739 conjuncts, 415 conjunts are in the unsatisfiable core [2023-12-02 21:42:28,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 35050 backedges. 493 proven. 15054 refuted. 0 times theorem prover too weak. 19503 trivial. 0 not checked. [2023-12-02 21:42:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 321 states and 528 transitions. [2023-12-02 21:42:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 528 transitions. [2023-12-02 21:42:47,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2023-12-02 21:42:47,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:47,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:47,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 1756 conjuncts, 419 conjunts are in the unsatisfiable core [2023-12-02 21:42:47,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:49,465 INFO L134 CoverageAnalysis]: Checked inductivity of 35754 backedges. 348 proven. 15506 refuted. 0 times theorem prover too weak. 19900 trivial. 0 not checked. [2023-12-02 21:43:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 324 states and 533 transitions. [2023-12-02 21:43:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 533 transitions. [2023-12-02 21:43:06,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 721 [2023-12-02 21:43:06,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:06,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:07,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 423 conjunts are in the unsatisfiable core [2023-12-02 21:43:07,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 36465 backedges. 503 proven. 15661 refuted. 0 times theorem prover too weak. 20301 trivial. 0 not checked. [2023-12-02 21:43:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:26,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 327 states and 538 transitions. [2023-12-02 21:43:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 538 transitions. [2023-12-02 21:43:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 728 [2023-12-02 21:43:26,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:26,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:26,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 427 conjunts are in the unsatisfiable core [2023-12-02 21:43:26,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 37183 backedges. 355 proven. 16122 refuted. 0 times theorem prover too weak. 20706 trivial. 0 not checked. [2023-12-02 21:43:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 330 states and 543 transitions. [2023-12-02 21:43:46,290 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 543 transitions. [2023-12-02 21:43:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-12-02 21:43:46,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:46,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 431 conjunts are in the unsatisfiable core [2023-12-02 21:43:46,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:48,583 INFO L134 CoverageAnalysis]: Checked inductivity of 37908 backedges. 513 proven. 16280 refuted. 0 times theorem prover too weak. 21115 trivial. 0 not checked. [2023-12-02 21:44:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 333 states and 548 transitions. [2023-12-02 21:44:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 548 transitions. [2023-12-02 21:44:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 742 [2023-12-02 21:44:07,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:07,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:07,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 435 conjunts are in the unsatisfiable core [2023-12-02 21:44:07,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:09,526 INFO L134 CoverageAnalysis]: Checked inductivity of 38640 backedges. 362 proven. 16750 refuted. 0 times theorem prover too weak. 21528 trivial. 0 not checked. [2023-12-02 21:44:28,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 336 states and 553 transitions. [2023-12-02 21:44:28,558 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 553 transitions. [2023-12-02 21:44:28,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2023-12-02 21:44:28,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:28,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:29,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 1841 conjuncts, 439 conjunts are in the unsatisfiable core [2023-12-02 21:44:29,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 39379 backedges. 523 proven. 16911 refuted. 0 times theorem prover too weak. 21945 trivial. 0 not checked. [2023-12-02 21:44:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:49,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 339 states and 558 transitions. [2023-12-02 21:44:49,929 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 558 transitions. [2023-12-02 21:44:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-12-02 21:44:49,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:50,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 1858 conjuncts, 443 conjunts are in the unsatisfiable core [2023-12-02 21:44:50,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 40125 backedges. 369 proven. 17390 refuted. 0 times theorem prover too weak. 22366 trivial. 0 not checked. [2023-12-02 21:45:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 342 states and 563 transitions. [2023-12-02 21:45:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 563 transitions. [2023-12-02 21:45:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-12-02 21:45:11,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:11,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:11,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 1875 conjuncts, 447 conjunts are in the unsatisfiable core [2023-12-02 21:45:11,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 40878 backedges. 533 proven. 17554 refuted. 0 times theorem prover too weak. 22791 trivial. 0 not checked. [2023-12-02 21:45:33,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 345 states and 568 transitions. [2023-12-02 21:45:33,547 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 568 transitions. [2023-12-02 21:45:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-12-02 21:45:33,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:33,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:34,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 1892 conjuncts, 451 conjunts are in the unsatisfiable core [2023-12-02 21:45:34,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 41638 backedges. 376 proven. 18042 refuted. 0 times theorem prover too weak. 23220 trivial. 0 not checked.