./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_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_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/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_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/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_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/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 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:02,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:02,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:45:02,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:02,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:02,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:02,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:02,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:02,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:02,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:02,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:02,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:02,670 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:02,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:02,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:02,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:02,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:02,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:02,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:02,676 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:45:02,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:45:02,678 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:02,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:02,679 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:02,679 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:02,680 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:02,680 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:02,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:02,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:02,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:02,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:02,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:02,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:02,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:02,686 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:02,687 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_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91dfff3356c8586e4ab54260d22ce3d78ead2ec4d531619c6564036666f10187 [2023-11-19 02:45:03,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:03,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:03,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:03,080 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:03,084 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:03,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-11-19 02:45:06,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:06,405 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:06,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound10.c [2023-11-19 02:45:06,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/data/d97b933fb/77fbcc8961ef4a71b6f222a1d2abee46/FLAG6e6041ee4 [2023-11-19 02:45:06,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/data/d97b933fb/77fbcc8961ef4a71b6f222a1d2abee46 [2023-11-19 02:45:06,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:06,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:06,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:06,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:06,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:06,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e1e27c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06, skipping insertion in model container [2023-11-19 02:45:06,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:06,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:06,657 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:06,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:06,689 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:06,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06 WrapperNode [2023-11-19 02:45:06,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:06,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:06,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:06,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:06,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,728 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-19 02:45:06,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:06,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:06,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:06,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:06,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,754 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:06,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:06,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:06,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:06,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:06" (1/1) ... [2023-11-19 02:45:06,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:06,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:06,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6c3a99-b7ab-4cf7-ba9b-82250c8b9909/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:06,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:06,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:06,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:06,911 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:06,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:07,106 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:07,194 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:07,201 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:45:07,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:07 BoogieIcfgContainer [2023-11-19 02:45:07,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:07,208 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:07,208 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:07,216 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:07,217 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:07" (1/1) ... [2023-11-19 02:45:07,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 02:45:07,279 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 02:45:07,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:45:07,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,520 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 02:45:07,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-19 02:45:07,570 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-19 02:45:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:45:07,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,678 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 02:45:07,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2023-11-19 02:45:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-11-19 02:45:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:45:07,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,852 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 02:45:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2023-11-19 02:45:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2023-11-19 02:45:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:45:07,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:07,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:07,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:07,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:08,079 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 02:45:08,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2023-11-19 02:45:08,249 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2023-11-19 02:45:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:45:08,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:08,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:08,370 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 02:45:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:08,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 51 states and 89 transitions. [2023-11-19 02:45:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2023-11-19 02:45:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:45:08,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:08,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:45:08,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:45:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 93 transitions. [2023-11-19 02:45:09,331 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2023-11-19 02:45:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:45:09,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:09,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:09,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:09,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:09,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:45:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:09,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 58 states and 99 transitions. [2023-11-19 02:45:09,733 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 99 transitions. [2023-11-19 02:45:09,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:45:09,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:09,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:09,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:45:09,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:10,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2023-11-19 02:45:10,536 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-19 02:45:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:45:10,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:10,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:45:10,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:45:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 74 states and 138 transitions. [2023-11-19 02:45:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 138 transitions. [2023-11-19 02:45:11,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:11,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:11,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:11,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:45:11,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:11,316 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 78 states and 141 transitions. [2023-11-19 02:45:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 141 transitions. [2023-11-19 02:45:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:45:11,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:11,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:45:11,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:11,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 80 states and 143 transitions. [2023-11-19 02:45:11,984 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 143 transitions. [2023-11-19 02:45:11,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:45:11,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:12,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:12,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:12,172 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 86 states and 161 transitions. [2023-11-19 02:45:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 161 transitions. [2023-11-19 02:45:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:45:12,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:12,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:45:12,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 90 states and 169 transitions. [2023-11-19 02:45:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 169 transitions. [2023-11-19 02:45:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:45:13,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:13,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:13,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:13,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:45:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 97 states and 177 transitions. [2023-11-19 02:45:13,970 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 177 transitions. [2023-11-19 02:45:13,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:45:13,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:13,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,183 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:14,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 179 transitions. [2023-11-19 02:45:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2023-11-19 02:45:14,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:45:14,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:14,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:14,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 99 states and 178 transitions. [2023-11-19 02:45:14,826 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 178 transitions. [2023-11-19 02:45:14,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:45:14,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:14,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:14,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:14,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 105 states and 196 transitions. [2023-11-19 02:45:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 196 transitions. [2023-11-19 02:45:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:45:15,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:15,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:15,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:15,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 109 states and 205 transitions. [2023-11-19 02:45:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 205 transitions. [2023-11-19 02:45:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:45:15,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:16,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:16,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:16,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:16,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 116 states and 213 transitions. [2023-11-19 02:45:16,863 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 213 transitions. [2023-11-19 02:45:16,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:45:16,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:16,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:16,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:45:16,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 116 states and 212 transitions. [2023-11-19 02:45:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 212 transitions. [2023-11-19 02:45:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:45:17,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:17,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:17,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:17,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:17,755 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 122 states and 230 transitions. [2023-11-19 02:45:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 230 transitions. [2023-11-19 02:45:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:45:18,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:18,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:18,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:45:18,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:45:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:19,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 131 states and 253 transitions. [2023-11-19 02:45:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 253 transitions. [2023-11-19 02:45:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:45:19,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:19,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:19,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:45:19,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:20,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 263 transitions. [2023-11-19 02:45:20,048 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 263 transitions. [2023-11-19 02:45:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:45:20,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:20,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:20,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:45:20,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 260 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:45:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:21,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 135 states and 248 transitions. [2023-11-19 02:45:21,513 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 248 transitions. [2023-11-19 02:45:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 02:45:21,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:21,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:21,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:45:21,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:45:22,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 139 states and 251 transitions. [2023-11-19 02:45:22,055 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 251 transitions. [2023-11-19 02:45:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 02:45:22,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:22,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:45:22,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:22,394 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:45:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:23,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 148 states and 274 transitions. [2023-11-19 02:45:23,364 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 274 transitions. [2023-11-19 02:45:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-19 02:45:23,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:23,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:23,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:45:23,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:23,591 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 280 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:45:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:24,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 152 states and 285 transitions. [2023-11-19 02:45:24,138 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 285 transitions. [2023-11-19 02:45:24,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 02:45:24,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:24,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:24,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:45:24,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:45:26,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 161 states and 314 transitions. [2023-11-19 02:45:26,444 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 314 transitions. [2023-11-19 02:45:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:45:26,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:26,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:45:26,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:45:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 161 states and 307 transitions. [2023-11-19 02:45:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 307 transitions. [2023-11-19 02:45:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 02:45:27,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:27,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:27,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 02:45:27,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 15 proven. 375 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:45:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 165 states and 310 transitions. [2023-11-19 02:45:28,828 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 310 transitions. [2023-11-19 02:45:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-19 02:45:28,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:28,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:28,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:45:28,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:45:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 169 states and 313 transitions. [2023-11-19 02:45:30,006 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 313 transitions. [2023-11-19 02:45:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 02:45:30,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:30,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:30,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:45:30,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 414 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:45:30,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:30,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 173 states and 326 transitions. [2023-11-19 02:45:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 326 transitions. [2023-11-19 02:45:30,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:45:30,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:30,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:30,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:30,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:45:30,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:45:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 182 states and 350 transitions. [2023-11-19 02:45:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 350 transitions. [2023-11-19 02:45:32,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 02:45:32,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:32,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:32,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:45:32,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:32,924 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 02:45:33,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 182 states and 342 transitions. [2023-11-19 02:45:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 342 transitions. [2023-11-19 02:45:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:45:33,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:33,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:33,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:45:33,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:33,600 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 18 proven. 528 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 02:45:34,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 186 states and 344 transitions. [2023-11-19 02:45:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 344 transitions. [2023-11-19 02:45:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:45:34,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:34,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:45:34,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 0 proven. 567 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 02:45:35,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 192 states and 361 transitions. [2023-11-19 02:45:35,659 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 361 transitions. [2023-11-19 02:45:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-19 02:45:35,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:35,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:35,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-19 02:45:35,731 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:35,907 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 02:45:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 196 states and 376 transitions. [2023-11-19 02:45:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 376 transitions. [2023-11-19 02:45:36,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-19 02:45:36,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:36,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:45:36,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 0 proven. 540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-19 02:45:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 203 states and 384 transitions. [2023-11-19 02:45:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 384 transitions. [2023-11-19 02:45:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 02:45:38,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:38,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:45:38,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:40,139 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 728 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:45:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 203 states and 383 transitions. [2023-11-19 02:45:41,558 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 383 transitions. [2023-11-19 02:45:41,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 02:45:41,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:41,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:41,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:41,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:45:42,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:42,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 203 states and 381 transitions. [2023-11-19 02:45:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 381 transitions. [2023-11-19 02:45:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 02:45:42,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:42,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:42,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:42,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:45:43,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 209 states and 399 transitions. [2023-11-19 02:45:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 399 transitions. [2023-11-19 02:45:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 02:45:43,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:43,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:43,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:45:43,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:45:44,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:44,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 213 states and 415 transitions. [2023-11-19 02:45:44,239 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 415 transitions. [2023-11-19 02:45:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 02:45:44,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:44,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:44,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:45:44,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:46,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 222 states and 444 transitions. [2023-11-19 02:45:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 444 transitions. [2023-11-19 02:45:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-19 02:45:46,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:46,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:45:46,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 936 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 02:45:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 222 states and 443 transitions. [2023-11-19 02:45:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 443 transitions. [2023-11-19 02:45:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 02:45:47,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:47,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:47,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:45:47,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:48,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 27 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 02:45:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 225 states and 447 transitions. [2023-11-19 02:45:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 447 transitions. [2023-11-19 02:45:49,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 02:45:49,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:49,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:49,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:45:49,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 936 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 02:45:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:50,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 225 states and 445 transitions. [2023-11-19 02:45:50,551 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 445 transitions. [2023-11-19 02:45:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-19 02:45:50,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:50,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:50,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:45:50,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 851 backedges. 816 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 02:45:53,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:53,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 227 states and 442 transitions. [2023-11-19 02:45:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 442 transitions. [2023-11-19 02:45:53,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 02:45:53,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:53,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:53,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:45:53,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-11-19 02:45:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 237 states and 463 transitions. [2023-11-19 02:45:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 463 transitions. [2023-11-19 02:45:55,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 02:45:55,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:55,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:55,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:45:55,214 INFO L285 TraceCheckSpWp]: Computing forward predicates...