./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:04:05,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:04:05,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:04:05,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:04:05,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:04:05,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:04:05,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:04:05,645 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:04:05,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:04:05,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:04:05,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:04:05,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:04:05,653 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:04:05,654 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:04:05,655 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:04:05,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:04:05,655 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:04:05,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:04:05,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:04:05,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:04:05,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:04:05,657 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:04:05,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:04:05,659 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:04:05,660 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:04:05,660 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:04:05,661 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:04:05,661 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:04:05,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:05,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:04:05,663 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:04:05,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:04:05,664 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:04:05,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:04:05,664 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:04:05,665 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_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcebefc76bde79b9a5fa67feebc75881761b0a4209b78516b385f787f62f9340 [2023-11-19 03:04:05,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:04:06,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:04:06,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:04:06,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:04:06,022 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:04:06,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2023-11-19 03:04:09,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:04:09,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:04:09,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2023-11-19 03:04:09,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/data/f5f181092/d96e2f47399d46f19c15dada8782591d/FLAGc49496cce [2023-11-19 03:04:09,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/data/f5f181092/d96e2f47399d46f19c15dada8782591d [2023-11-19 03:04:09,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:04:09,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:04:09,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:09,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:04:09,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:04:09,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a160d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09, skipping insertion in model container [2023-11-19 03:04:09,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:04:09,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:09,639 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:04:09,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:04:09,678 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:04:09,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09 WrapperNode [2023-11-19 03:04:09,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:04:09,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:09,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:04:09,681 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:04:09,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,729 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-11-19 03:04:09,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:04:09,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:04:09,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:04:09,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:04:09,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:04:09,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:04:09,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:04:09,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:04:09,777 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:04:09" (1/1) ... [2023-11-19 03:04:09,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:04:09,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:04:09,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:04:09,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_248a0e6b-42d0-4bb0-8c86-6195a79b2ecb/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:04:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:04:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:04:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:04:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:04:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:04:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:04:09,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:04:09,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:04:10,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:04:10,492 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:04:10,500 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:04:10,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:10 BoogieIcfgContainer [2023-11-19 03:04:10,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:04:10,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:04:10,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:04:10,520 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:04:10,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:04:10" (1/1) ... [2023-11-19 03:04:10,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:04:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 130 states and 133 transitions. [2023-11-19 03:04:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 133 transitions. [2023-11-19 03:04:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:04:10,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:10,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 132 states and 135 transitions. [2023-11-19 03:04:10,787 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 135 transitions. [2023-11-19 03:04:10,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:04:10,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:10,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 135 states and 139 transitions. [2023-11-19 03:04:10,884 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 139 transitions. [2023-11-19 03:04:10,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:04:10,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:10,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:10,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:10,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 134 states and 138 transitions. [2023-11-19 03:04:10,916 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2023-11-19 03:04:10,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:04:10,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:10,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:10,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:10,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 139 states and 146 transitions. [2023-11-19 03:04:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 146 transitions. [2023-11-19 03:04:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:04:11,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-19 03:04:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-19 03:04:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:04:11,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 141 states and 148 transitions. [2023-11-19 03:04:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2023-11-19 03:04:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:04:11,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 140 states and 147 transitions. [2023-11-19 03:04:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 147 transitions. [2023-11-19 03:04:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:04:11,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 142 states and 149 transitions. [2023-11-19 03:04:11,465 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2023-11-19 03:04:11,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:04:11,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 150 states and 158 transitions. [2023-11-19 03:04:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 158 transitions. [2023-11-19 03:04:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:04:11,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:11,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:11,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:11,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:11,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 158 states and 167 transitions. [2023-11-19 03:04:12,062 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 167 transitions. [2023-11-19 03:04:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:04:12,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 159 states and 169 transitions. [2023-11-19 03:04:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2023-11-19 03:04:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:04:12,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 161 states and 172 transitions. [2023-11-19 03:04:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 172 transitions. [2023-11-19 03:04:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:04:12,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 160 states and 171 transitions. [2023-11-19 03:04:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 171 transitions. [2023-11-19 03:04:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:04:12,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 163 states and 174 transitions. [2023-11-19 03:04:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 174 transitions. [2023-11-19 03:04:12,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:04:12,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 164 states and 175 transitions. [2023-11-19 03:04:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 175 transitions. [2023-11-19 03:04:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:04:12,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 165 states and 176 transitions. [2023-11-19 03:04:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 176 transitions. [2023-11-19 03:04:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:04:12,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:12,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 173 states and 184 transitions. [2023-11-19 03:04:12,781 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 184 transitions. [2023-11-19 03:04:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:04:12,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:12,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:12,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:12,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 181 states and 193 transitions. [2023-11-19 03:04:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 193 transitions. [2023-11-19 03:04:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:04:13,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 180 states and 192 transitions. [2023-11-19 03:04:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 192 transitions. [2023-11-19 03:04:13,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:04:13,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 182 states and 194 transitions. [2023-11-19 03:04:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 194 transitions. [2023-11-19 03:04:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:04:13,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 186 states and 199 transitions. [2023-11-19 03:04:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 199 transitions. [2023-11-19 03:04:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:04:13,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 190 states and 204 transitions. [2023-11-19 03:04:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 204 transitions. [2023-11-19 03:04:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:04:13,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:13,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:13,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2023-11-19 03:04:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2023-11-19 03:04:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:04:13,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:13,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:13,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:13,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 219 states and 242 transitions. [2023-11-19 03:04:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 242 transitions. [2023-11-19 03:04:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:04:14,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:14,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:14,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 220 states and 243 transitions. [2023-11-19 03:04:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 243 transitions. [2023-11-19 03:04:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:04:14,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:14,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:14,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:14,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 247 states and 276 transitions. [2023-11-19 03:04:15,011 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 276 transitions. [2023-11-19 03:04:15,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:04:15,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 246 states and 275 transitions. [2023-11-19 03:04:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 275 transitions. [2023-11-19 03:04:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:04:15,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:15,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 249 states and 281 transitions. [2023-11-19 03:04:15,403 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 281 transitions. [2023-11-19 03:04:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:04:15,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:15,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 251 states and 283 transitions. [2023-11-19 03:04:15,850 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 283 transitions. [2023-11-19 03:04:15,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:04:15,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:15,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:15,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:15,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:16,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 255 states and 290 transitions. [2023-11-19 03:04:16,273 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2023-11-19 03:04:16,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:04:16,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:16,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:16,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:16,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-19 03:04:16,434 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-19 03:04:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:04:16,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:16,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:16,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:16,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:16,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:16,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 257 states and 292 transitions. [2023-11-19 03:04:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 292 transitions. [2023-11-19 03:04:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:04:16,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:16,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:16,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:16,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 258 states and 293 transitions. [2023-11-19 03:04:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2023-11-19 03:04:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:04:16,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:16,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:16,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:16,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 264 states and 301 transitions. [2023-11-19 03:04:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 301 transitions. [2023-11-19 03:04:17,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:04:17,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:17,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:17,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 265 states and 303 transitions. [2023-11-19 03:04:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 303 transitions. [2023-11-19 03:04:17,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:04:17,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:17,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:17,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:17,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 267 states and 305 transitions. [2023-11-19 03:04:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 305 transitions. [2023-11-19 03:04:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:04:17,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:17,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:17,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:17,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 275 states and 316 transitions. [2023-11-19 03:04:17,943 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 316 transitions. [2023-11-19 03:04:17,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:04:17,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:17,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:17,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:17,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 287 states and 334 transitions. [2023-11-19 03:04:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 334 transitions. [2023-11-19 03:04:18,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:04:18,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:18,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:18,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:18,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:18,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 296 states and 346 transitions. [2023-11-19 03:04:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 346 transitions. [2023-11-19 03:04:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:04:19,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:19,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:19,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:19,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 308 states and 367 transitions. [2023-11-19 03:04:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 367 transitions. [2023-11-19 03:04:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:04:20,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:20,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:20,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:20,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:20,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 307 states and 366 transitions. [2023-11-19 03:04:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 366 transitions. [2023-11-19 03:04:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:04:20,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:20,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:20,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:20,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 312 states and 372 transitions. [2023-11-19 03:04:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2023-11-19 03:04:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:04:21,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:21,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:21,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:21,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:21,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:22,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:22,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 315 states and 375 transitions. [2023-11-19 03:04:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 375 transitions. [2023-11-19 03:04:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:04:22,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:22,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:22,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 321 states and 382 transitions. [2023-11-19 03:04:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 382 transitions. [2023-11-19 03:04:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:04:24,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:24,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:24,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:24,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 326 states and 390 transitions. [2023-11-19 03:04:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 390 transitions. [2023-11-19 03:04:25,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:04:25,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:25,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:25,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:25,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:25,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:26,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:26,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 333 states and 398 transitions. [2023-11-19 03:04:26,088 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 398 transitions. [2023-11-19 03:04:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:04:26,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:26,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:26,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:26,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:26,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 332 states and 397 transitions. [2023-11-19 03:04:26,133 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 397 transitions. [2023-11-19 03:04:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:04:26,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:26,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:26,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:26,190 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:26,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 337 states and 404 transitions. [2023-11-19 03:04:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 404 transitions. [2023-11-19 03:04:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:04:26,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:26,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:26,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:26,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:26,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 346 states and 414 transitions. [2023-11-19 03:04:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 414 transitions. [2023-11-19 03:04:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:04:27,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:27,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:27,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:27,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:28,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 352 states and 422 transitions. [2023-11-19 03:04:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 422 transitions. [2023-11-19 03:04:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:04:28,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:28,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:28,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:28,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 362 states and 433 transitions. [2023-11-19 03:04:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 433 transitions. [2023-11-19 03:04:29,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:04:29,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:29,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:29,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:29,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:30,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 369 states and 442 transitions. [2023-11-19 03:04:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 442 transitions. [2023-11-19 03:04:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:04:30,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:30,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:30,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:30,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 368 states and 441 transitions. [2023-11-19 03:04:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 441 transitions. [2023-11-19 03:04:31,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:04:31,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:31,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:31,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:31,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:31,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:31,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 367 states and 440 transitions. [2023-11-19 03:04:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 440 transitions. [2023-11-19 03:04:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:04:31,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:31,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:31,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:31,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:32,005 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 376 states and 452 transitions. [2023-11-19 03:04:32,910 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 452 transitions. [2023-11-19 03:04:32,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:04:32,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:32,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:32,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:32,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 375 states and 451 transitions. [2023-11-19 03:04:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 451 transitions. [2023-11-19 03:04:33,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:04:33,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:33,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:33,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:04:33,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 381 states and 457 transitions. [2023-11-19 03:04:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 457 transitions. [2023-11-19 03:04:34,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:04:34,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:34,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:34,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:34,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:34,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:34,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 380 states and 456 transitions. [2023-11-19 03:04:34,589 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 456 transitions. [2023-11-19 03:04:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:04:34,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:34,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:34,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:34,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:34,633 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:04:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:35,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 382 states and 462 transitions. [2023-11-19 03:04:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 462 transitions. [2023-11-19 03:04:35,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:04:35,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:35,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:35,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:35,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 381 states and 461 transitions. [2023-11-19 03:04:36,559 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 461 transitions. [2023-11-19 03:04:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:04:36,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:36,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:36,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:36,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:36,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:37,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 383 states and 464 transitions. [2023-11-19 03:04:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 464 transitions. [2023-11-19 03:04:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:04:37,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:37,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:37,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:37,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:37,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:38,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 382 states and 463 transitions. [2023-11-19 03:04:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 463 transitions. [2023-11-19 03:04:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:04:38,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:38,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:38,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:04:38,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 386 states and 469 transitions. [2023-11-19 03:04:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 469 transitions. [2023-11-19 03:04:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:04:39,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:39,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:39,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:39,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 385 states and 468 transitions. [2023-11-19 03:04:40,931 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 468 transitions. [2023-11-19 03:04:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:04:40,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:40,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:40,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:40,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:41,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:44,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 403 states and 487 transitions. [2023-11-19 03:04:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 487 transitions. [2023-11-19 03:04:44,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:04:44,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:44,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:44,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:44,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:44,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 405 states and 489 transitions. [2023-11-19 03:04:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 489 transitions. [2023-11-19 03:04:44,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:04:44,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:44,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:44,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:44,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:44,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:47,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:47,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 404 states and 488 transitions. [2023-11-19 03:04:47,685 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 488 transitions. [2023-11-19 03:04:47,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:04:47,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:47,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:47,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:47,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:48,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 405 states and 490 transitions. [2023-11-19 03:04:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 490 transitions. [2023-11-19 03:04:48,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:04:48,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:48,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:48,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:04:48,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:48,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 404 states and 489 transitions. [2023-11-19 03:04:48,602 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 489 transitions. [2023-11-19 03:04:48,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:04:48,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:48,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:48,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:04:48,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 406 states and 492 transitions. [2023-11-19 03:04:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 492 transitions. [2023-11-19 03:04:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:04:49,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:49,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:49,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:49,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:49,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:04:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 405 states and 491 transitions. [2023-11-19 03:04:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 491 transitions. [2023-11-19 03:04:51,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:04:51,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:51,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:51,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:04:51,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:04:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:04:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 414 states and 501 transitions. [2023-11-19 03:04:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 501 transitions. [2023-11-19 03:04:53,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:04:53,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:04:53,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:04:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:04:53,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:04:53,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:04:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:05:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 436 states and 524 transitions. [2023-11-19 03:05:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 524 transitions. [2023-11-19 03:05:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:05:00,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:00,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:00,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:05:00,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:05:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:05:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 452 states and 543 transitions. [2023-11-19 03:05:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 543 transitions. [2023-11-19 03:05:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:05:01,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:05:01,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:05:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:05:01,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:05:01,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:05:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.