./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.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_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/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_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/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_b95fe828-8f88-4713-ab81-13f530bb79a5/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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:44,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:44,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:15:44,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:44,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:44,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:44,867 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:44,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:44,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:44,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:44,870 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:44,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:44,871 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:15:44,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:44,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:15:44,873 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:44,873 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:44,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:44,874 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:44,875 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:44,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:44,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:15:44,876 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:44,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:44,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:44,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:44,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:44,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:44,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:44,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:44,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:44,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:44,881 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:44,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:44,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:44,882 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_b95fe828-8f88-4713-ab81-13f530bb79a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2023-11-19 03:15:45,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:45,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:45,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:45,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:45,207 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:45,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-19 03:15:48,292 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:48,509 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:48,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-19 03:15:48,519 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/data/c8bb7d3ee/b1878477d32c4fbcada14116729cf4d5/FLAGcd208f0ea [2023-11-19 03:15:48,540 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/data/c8bb7d3ee/b1878477d32c4fbcada14116729cf4d5 [2023-11-19 03:15:48,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:48,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:48,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:48,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:48,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:48,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a93339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48, skipping insertion in model container [2023-11-19 03:15:48,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,591 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:48,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:48,837 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:48,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:48,894 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:48,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48 WrapperNode [2023-11-19 03:15:48,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:48,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:48,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:48,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:48,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,961 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-19 03:15:48,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:48,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:48,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:48,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:48,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:48,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:49,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:49,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:49,012 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:49,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:49,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:49,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:49,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:49,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:48" (1/1) ... [2023-11-19 03:15:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:49,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:49,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:49,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b95fe828-8f88-4713-ab81-13f530bb79a5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:49,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:49,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:49,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:49,131 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:15:49,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:15:49,236 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:49,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:49,567 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:49,609 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:49,609 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:15:49,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:49 BoogieIcfgContainer [2023-11-19 03:15:49,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:49,615 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:49,615 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:49,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:49,627 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:49" (1/1) ... [2023-11-19 03:15:49,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-19 03:15:49,693 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-19 03:15:49,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:15:49,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:49,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:49,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:15:49,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:49,896 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 03:15:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:49,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-19 03:15:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-19 03:15:49,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:15:49,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:49,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,139 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 03:15:50,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-19 03:15:50,210 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-19 03:15:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:50,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,300 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 03:15:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2023-11-19 03:15:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-19 03:15:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:15:50,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,451 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 03:15:50,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:50,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 89 transitions. [2023-11-19 03:15:50,662 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2023-11-19 03:15:50,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:15:50,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:50,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:50,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:50,727 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 03:15:51,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 101 transitions. [2023-11-19 03:15:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-19 03:15:51,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:15:51,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,102 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 03:15:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 111 transitions. [2023-11-19 03:15:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2023-11-19 03:15:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:15:51,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,615 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 03:15:51,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:51,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 112 transitions. [2023-11-19 03:15:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-19 03:15:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:15:51,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:51,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:51,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:51,722 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 03:15:52,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:52,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 123 transitions. [2023-11-19 03:15:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-11-19 03:15:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:15:52,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:52,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:52,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:52,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:52,237 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 03:15:52,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 138 transitions. [2023-11-19 03:15:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-19 03:15:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:15:52,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:52,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:52,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:52,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:52,964 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 03:15:53,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 149 transitions. [2023-11-19 03:15:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-19 03:15:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:15:53,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:53,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:53,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:53,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:53,550 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 03:15:54,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 163 transitions. [2023-11-19 03:15:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-19 03:15:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:15:54,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:54,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:54,346 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 03:15:54,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:54,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 176 transitions. [2023-11-19 03:15:54,837 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2023-11-19 03:15:54,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:15:54,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:54,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:54,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:54,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:54,952 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 03:15:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 126 states and 190 transitions. [2023-11-19 03:15:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-19 03:15:55,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:15:55,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:55,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:55,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:55,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:15:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 210 transitions. [2023-11-19 03:15:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2023-11-19 03:15:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:15:56,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:56,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:56,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:56,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:15:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 223 transitions. [2023-11-19 03:15:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2023-11-19 03:15:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:57,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:57,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:57,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:57,572 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 03:15:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 148 states and 233 transitions. [2023-11-19 03:15:58,019 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-11-19 03:15:58,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:15:58,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:58,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:58,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:58,080 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 03:15:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 158 states and 249 transitions. [2023-11-19 03:15:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 249 transitions. [2023-11-19 03:15:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:15:58,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,046 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 03:15:59,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 250 transitions. [2023-11-19 03:15:59,079 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 250 transitions. [2023-11-19 03:15:59,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:15:59,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,231 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 03:15:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 168 states and 262 transitions. [2023-11-19 03:15:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 262 transitions. [2023-11-19 03:15:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:15:59,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:59,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:59,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:15:59,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 276 transitions. [2023-11-19 03:16:00,390 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 276 transitions. [2023-11-19 03:16:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:16:00,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:00,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:00,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:00,529 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 03:16:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:00,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 185 states and 288 transitions. [2023-11-19 03:16:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2023-11-19 03:16:00,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:00,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:00,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:00,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:00,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:00,881 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:16:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 194 states and 300 transitions. [2023-11-19 03:16:01,658 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 300 transitions. [2023-11-19 03:16:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:16:01,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:01,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:01,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:01,846 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:02,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 205 states and 328 transitions. [2023-11-19 03:16:02,990 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 328 transitions. [2023-11-19 03:16:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:02,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:03,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 206 states and 329 transitions. [2023-11-19 03:16:03,300 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 329 transitions. [2023-11-19 03:16:03,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:16:03,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:03,397 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 210 states and 338 transitions. [2023-11-19 03:16:03,874 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 338 transitions. [2023-11-19 03:16:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:03,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:03,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:03,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:03,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:05,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:05,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 210 states and 337 transitions. [2023-11-19 03:16:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-11-19 03:16:05,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:05,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:05,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:05,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:05,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 216 states and 351 transitions. [2023-11-19 03:16:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 351 transitions. [2023-11-19 03:16:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:06,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:06,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:06,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:06,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 218 states and 358 transitions. [2023-11-19 03:16:07,265 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 358 transitions. [2023-11-19 03:16:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:16:07,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:07,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:07,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:07,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 03:16:07,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:07,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 222 states and 366 transitions. [2023-11-19 03:16:07,918 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 366 transitions. [2023-11-19 03:16:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:16:07,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:07,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:07,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:07,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 03:16:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 233 states and 380 transitions. [2023-11-19 03:16:09,228 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 380 transitions. [2023-11-19 03:16:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 03:16:09,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:09,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:09,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:09,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:10,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 239 states and 391 transitions. [2023-11-19 03:16:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 391 transitions. [2023-11-19 03:16:10,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:16:10,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:10,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:10,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:10,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:10,967 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 244 states and 404 transitions. [2023-11-19 03:16:11,602 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 404 transitions. [2023-11-19 03:16:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:16:11,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:11,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:11,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:11,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:13,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:13,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 255 states and 426 transitions. [2023-11-19 03:16:13,546 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 426 transitions. [2023-11-19 03:16:13,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:16:13,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:13,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:13,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 257 states and 429 transitions. [2023-11-19 03:16:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 429 transitions. [2023-11-19 03:16:14,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:16:14,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:14,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:16:14,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 269 states and 455 transitions. [2023-11-19 03:16:18,902 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 455 transitions. [2023-11-19 03:16:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:16:18,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:18,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:18,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:16:18,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:19,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 271 states and 459 transitions. [2023-11-19 03:16:19,819 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 459 transitions. [2023-11-19 03:16:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 03:16:19,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:19,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:19,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:19,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:22,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:22,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 284 states and 480 transitions. [2023-11-19 03:16:22,283 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 480 transitions. [2023-11-19 03:16:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:16:22,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:22,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:22,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:22,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:16:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:23,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 293 states and 494 transitions. [2023-11-19 03:16:23,669 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 494 transitions. [2023-11-19 03:16:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:16:23,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:23,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:16:23,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:25,032 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-19 03:16:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:27,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 307 states and 517 transitions. [2023-11-19 03:16:27,143 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 517 transitions. [2023-11-19 03:16:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:16:27,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:27,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:27,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:27,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 03:16:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 316 states and 529 transitions. [2023-11-19 03:16:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 529 transitions. [2023-11-19 03:16:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:16:28,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:28,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:16:28,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-19 03:16:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 325 states and 539 transitions. [2023-11-19 03:16:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 539 transitions. [2023-11-19 03:16:29,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:16:29,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:29,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:29,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:29,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:16:30,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 324 states and 538 transitions. [2023-11-19 03:16:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 538 transitions. [2023-11-19 03:16:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:30,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:30,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:30,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:30,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:16:31,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:31,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 330 states and 554 transitions. [2023-11-19 03:16:31,514 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 554 transitions. [2023-11-19 03:16:31,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:31,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:31,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:31,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:16:31,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:16:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 334 states and 563 transitions. [2023-11-19 03:16:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 563 transitions. [2023-11-19 03:16:32,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:32,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:32,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:32,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:33,048 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 03:16:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:37,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 343 states and 577 transitions. [2023-11-19 03:16:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 577 transitions. [2023-11-19 03:16:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:37,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:37,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:37,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:16:37,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:37,429 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-19 03:16:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:16:38,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 350 states and 590 transitions. [2023-11-19 03:16:38,963 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 590 transitions. [2023-11-19 03:16:38,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:16:38,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:16:38,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:16:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:16:39,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:16:39,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:16:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.