./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/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_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/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_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:40:21,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:40:21,779 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:40:21,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:40:21,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:40:21,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:40:21,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:40:21,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:40:21,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:40:21,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:40:21,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:40:21,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:40:21,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:40:21,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:40:21,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:40:21,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:40:21,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:40:21,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:40:21,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:40:21,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:40:21,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:40:21,846 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:40:21,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:40:21,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:40:21,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:40:21,848 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:40:21,848 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:40:21,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:40:21,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:21,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:40:21,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:40:21,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:40:21,851 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:40:21,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:40:21,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:40:21,851 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_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2023-11-19 03:40:22,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:40:22,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:40:22,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:40:22,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:40:22,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:40:22,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 03:40:25,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:40:25,746 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:40:25,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 03:40:25,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/data/2bff1beb3/c932a4e963d145039e30f83ed990d022/FLAGed7d56200 [2023-11-19 03:40:25,772 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/data/2bff1beb3/c932a4e963d145039e30f83ed990d022 [2023-11-19 03:40:25,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:40:25,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:40:25,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:25,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:40:25,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:40:25,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:25" (1/1) ... [2023-11-19 03:40:25,788 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571a7872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:25, skipping insertion in model container [2023-11-19 03:40:25,788 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:40:25" (1/1) ... [2023-11-19 03:40:25,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:40:26,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:26,014 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:40:26,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:40:26,055 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:40:26,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26 WrapperNode [2023-11-19 03:40:26,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:40:26,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:26,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:40:26,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:40:26,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,120 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 03:40:26,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:40:26,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:40:26,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:40:26,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:40:26,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,144 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:40:26,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:40:26,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:40:26,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:40:26,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:40:26" (1/1) ... [2023-11-19 03:40:26,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:40:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:40:26,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:40:26,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a060019e-5d8e-41ba-8aa1-3e011a0ebf46/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:40:26,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:40:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:40:26,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:40:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:40:26,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:40:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:40:26,372 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:40:26,375 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:40:27,052 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:40:27,108 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:40:27,108 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:40:27,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:27 BoogieIcfgContainer [2023-11-19 03:40:27,115 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:40:27,116 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:40:27,116 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:40:27,138 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:40:27,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:40:27" (1/1) ... [2023-11-19 03:40:27,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:40:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:27,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2023-11-19 03:40:27,230 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2023-11-19 03:40:27,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:40:27,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:27,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:27,378 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 03:40:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2023-11-19 03:40:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2023-11-19 03:40:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:40:27,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:40:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 120 states and 127 transitions. [2023-11-19 03:40:27,619 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2023-11-19 03:40:27,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:40:27,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:27,703 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 03:40:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 121 states and 128 transitions. [2023-11-19 03:40:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2023-11-19 03:40:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:40:27,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:27,805 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 03:40:28,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 126 states and 136 transitions. [2023-11-19 03:40:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-11-19 03:40:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:40:28,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,159 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 03:40:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 127 states and 137 transitions. [2023-11-19 03:40:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2023-11-19 03:40:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:40:28,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,280 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 03:40:28,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 128 states and 138 transitions. [2023-11-19 03:40:28,305 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2023-11-19 03:40:28,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:40:28,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,394 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 03:40:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 129 states and 139 transitions. [2023-11-19 03:40:28,416 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2023-11-19 03:40:28,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:40:28,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,471 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 03:40:28,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 130 states and 140 transitions. [2023-11-19 03:40:28,488 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 140 transitions. [2023-11-19 03:40:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:40:28,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,566 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 03:40:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 132 states and 143 transitions. [2023-11-19 03:40:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2023-11-19 03:40:28,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:40:28,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,680 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 03:40:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 133 states and 144 transitions. [2023-11-19 03:40:28,711 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2023-11-19 03:40:28,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:40:28,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,749 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 03:40:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 03:40:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 03:40:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:40:28,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,805 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 03:40:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 03:40:28,824 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 03:40:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:40:28,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,844 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 03:40:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 134 states and 145 transitions. [2023-11-19 03:40:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 145 transitions. [2023-11-19 03:40:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:40:28,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:28,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:28,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:28,970 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 03:40:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 136 states and 147 transitions. [2023-11-19 03:40:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 147 transitions. [2023-11-19 03:40:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:40:28,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:28,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:29,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,035 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 03:40:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 135 states and 146 transitions. [2023-11-19 03:40:29,045 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 146 transitions. [2023-11-19 03:40:29,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:40:29,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:29,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:29,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,136 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 03:40:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 153 states and 169 transitions. [2023-11-19 03:40:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2023-11-19 03:40:29,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:40:29,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:29,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:29,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:29,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:29,690 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 03:40:30,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:30,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 172 states and 194 transitions. [2023-11-19 03:40:30,389 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 194 transitions. [2023-11-19 03:40:30,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:40:30,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:30,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:30,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:30,491 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 03:40:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2023-11-19 03:40:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2023-11-19 03:40:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:40:31,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:31,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:31,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:31,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:31,702 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 03:40:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:31,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 195 states and 224 transitions. [2023-11-19 03:40:31,980 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 224 transitions. [2023-11-19 03:40:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:40:31,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:31,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:32,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:32,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:32,162 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 03:40:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 198 states and 228 transitions. [2023-11-19 03:40:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 228 transitions. [2023-11-19 03:40:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:40:32,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:32,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:32,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:32,506 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 03:40:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 200 states and 232 transitions. [2023-11-19 03:40:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-19 03:40:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:40:32,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:32,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:32,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:32,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:32,960 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 03:40:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 203 states and 237 transitions. [2023-11-19 03:40:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2023-11-19 03:40:33,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:40:33,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:33,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:33,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:33,410 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 03:40:34,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 205 states and 240 transitions. [2023-11-19 03:40:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2023-11-19 03:40:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:40:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:34,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:34,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:34,355 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 03:40:34,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 209 states and 245 transitions. [2023-11-19 03:40:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 245 transitions. [2023-11-19 03:40:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:40:34,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:34,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:34,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:34,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:34,986 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 03:40:35,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:35,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 210 states and 247 transitions. [2023-11-19 03:40:35,336 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 247 transitions. [2023-11-19 03:40:35,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:40:35,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:35,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:35,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:35,513 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 03:40:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 212 states and 250 transitions. [2023-11-19 03:40:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 250 transitions. [2023-11-19 03:40:35,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:40:35,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:35,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:35,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:35,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:36,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 222 states and 266 transitions. [2023-11-19 03:40:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 266 transitions. [2023-11-19 03:40:36,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:40:36,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:36,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:36,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:37,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 223 states and 267 transitions. [2023-11-19 03:40:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 267 transitions. [2023-11-19 03:40:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:40:37,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:37,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:37,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:37,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:38,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 234 states and 284 transitions. [2023-11-19 03:40:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2023-11-19 03:40:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:40:38,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:38,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:38,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:38,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:38,512 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:38,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 236 states and 286 transitions. [2023-11-19 03:40:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 286 transitions. [2023-11-19 03:40:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:40:38,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:38,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:38,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:38,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:38,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 235 states and 285 transitions. [2023-11-19 03:40:38,884 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 285 transitions. [2023-11-19 03:40:38,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:40:38,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:38,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:38,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:38,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:39,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:39,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 240 states and 295 transitions. [2023-11-19 03:40:39,783 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 295 transitions. [2023-11-19 03:40:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:40:39,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:39,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:39,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:39,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:39,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:39,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 239 states and 294 transitions. [2023-11-19 03:40:39,931 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 294 transitions. [2023-11-19 03:40:39,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:40:39,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:39,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:39,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:39,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 245 states and 305 transitions. [2023-11-19 03:40:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 305 transitions. [2023-11-19 03:40:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:40:41,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:41,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:41,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:41,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:43,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 255 states and 322 transitions. [2023-11-19 03:40:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 322 transitions. [2023-11-19 03:40:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:40:43,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:43,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:43,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:40:43,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:46,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:46,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 270 states and 345 transitions. [2023-11-19 03:40:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 345 transitions. [2023-11-19 03:40:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:40:46,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:46,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:46,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:46,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 269 states and 344 transitions. [2023-11-19 03:40:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 344 transitions. [2023-11-19 03:40:46,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:40:46,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:46,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:46,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 268 states and 343 transitions. [2023-11-19 03:40:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 343 transitions. [2023-11-19 03:40:46,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:40:46,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:46,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:46,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:46,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:46,944 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 304 states and 420 transitions. [2023-11-19 03:40:49,419 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 420 transitions. [2023-11-19 03:40:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:40:49,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:49,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:49,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:49,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:49,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 303 states and 419 transitions. [2023-11-19 03:40:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 419 transitions. [2023-11-19 03:40:49,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:40:49,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:49,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:49,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:40:49,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:49,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 340 states and 498 transitions. [2023-11-19 03:40:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 498 transitions. [2023-11-19 03:40:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:40:52,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:53,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:53,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:53,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:53,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 339 states and 497 transitions. [2023-11-19 03:40:53,147 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 497 transitions. [2023-11-19 03:40:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:40:53,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:53,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:53,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:40:53,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:53,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 338 states and 496 transitions. [2023-11-19 03:40:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 496 transitions. [2023-11-19 03:40:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:40:53,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:53,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:53,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:53,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:53,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:40:56,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 364 states and 532 transitions. [2023-11-19 03:40:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 532 transitions. [2023-11-19 03:40:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:40:56,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:56,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:56,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:40:56,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:40:58,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:40:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 375 states and 556 transitions. [2023-11-19 03:40:58,373 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 556 transitions. [2023-11-19 03:40:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:40:58,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:40:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:40:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:40:58,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:40:58,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:40:58,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:41:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:01,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 402 states and 592 transitions. [2023-11-19 03:41:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 592 transitions. [2023-11-19 03:41:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:41:01,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:01,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:01,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:01,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:41:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 401 states and 591 transitions. [2023-11-19 03:41:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 591 transitions. [2023-11-19 03:41:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:41:02,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:02,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:02,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:02,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:02,401 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:41:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:02,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 400 states and 590 transitions. [2023-11-19 03:41:02,757 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 590 transitions. [2023-11-19 03:41:02,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:41:02,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:02,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:02,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:02,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:02,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:02,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 399 states and 589 transitions. [2023-11-19 03:41:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 589 transitions. [2023-11-19 03:41:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:41:02,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:02,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:02,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:02,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:04,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 413 states and 618 transitions. [2023-11-19 03:41:04,715 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 618 transitions. [2023-11-19 03:41:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:41:04,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:04,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:04,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:04,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:04,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:06,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:06,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 428 states and 647 transitions. [2023-11-19 03:41:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 647 transitions. [2023-11-19 03:41:06,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:41:06,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:06,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:06,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:41:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 427 states and 646 transitions. [2023-11-19 03:41:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 646 transitions. [2023-11-19 03:41:06,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:41:06,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:06,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:06,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:06,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 443 states and 677 transitions. [2023-11-19 03:41:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 677 transitions. [2023-11-19 03:41:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:41:07,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:07,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:07,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:07,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 03:41:07,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 442 states and 676 transitions. [2023-11-19 03:41:07,735 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 676 transitions. [2023-11-19 03:41:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:41:07,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:07,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:07,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:08,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 441 states and 675 transitions. [2023-11-19 03:41:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 675 transitions. [2023-11-19 03:41:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:41:08,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:08,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:08,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:08,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:08,199 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 03:41:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:08,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 440 states and 674 transitions. [2023-11-19 03:41:08,662 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 674 transitions. [2023-11-19 03:41:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:41:08,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:08,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:08,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:08,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:08,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:41:11,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 458 states and 706 transitions. [2023-11-19 03:41:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 706 transitions. [2023-11-19 03:41:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 03:41:11,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:11,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 03:41:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 457 states and 705 transitions. [2023-11-19 03:41:11,494 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 705 transitions. [2023-11-19 03:41:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:41:11,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:11,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:11,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:41:11,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:11,569 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.