./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/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_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:56:56,700 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:56:56,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:56:56,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:56:56,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:56:56,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:56:56,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:56:56,830 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:56:56,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:56:56,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:56:56,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:56:56,833 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:56:56,834 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:56:56,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:56:56,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:56:56,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:56:56,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:56:56,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:56:56,837 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:56:56,838 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:56:56,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:56:56,839 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:56:56,840 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:56:56,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:56:56,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:56:56,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:56:56,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:56:56,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:56:56,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:56:56,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:56:56,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:56:56,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:56:56,846 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:56:56,846 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_875c668d-f30c-41b9-898c-620b657e606c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2023-11-19 03:56:57,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:56:57,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:56:57,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:56:57,207 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:56:57,208 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:56:57,209 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2023-11-19 03:57:00,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:00,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:00,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2023-11-19 03:57:00,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/data/77c0da833/04c283295b4e436ea1a8bb1a537a9bac/FLAGf856c5975 [2023-11-19 03:57:00,613 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/data/77c0da833/04c283295b4e436ea1a8bb1a537a9bac [2023-11-19 03:57:00,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:00,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:00,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:00,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:00,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:00,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ceffc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00, skipping insertion in model container [2023-11-19 03:57:00,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,655 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:00,816 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/sv-benchmarks/c/nla-digbench/cohendiv-ll.c[576,589] [2023-11-19 03:57:00,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:00,840 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:00,853 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/sv-benchmarks/c/nla-digbench/cohendiv-ll.c[576,589] [2023-11-19 03:57:00,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:00,874 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:00,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00 WrapperNode [2023-11-19 03:57:00,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:00,876 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:00,876 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:00,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:00,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,909 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2023-11-19 03:57:00,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:00,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:00,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:00,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:00,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:00,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:00,935 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:00,935 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:00,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:00" (1/1) ... [2023-11-19 03:57:00,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:00,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:00,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:00,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_875c668d-f30c-41b9-898c-620b657e606c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:01,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:01,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:01,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:01,090 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:01,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:01,250 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:01,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:01,321 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:57:01,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:01 BoogieIcfgContainer [2023-11-19 03:57:01,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:01,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:01,329 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:01,337 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:01,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:01" (1/1) ... [2023-11-19 03:57:01,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:57:01,394 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:57:01,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:57:01,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:01,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:01,628 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 03:57:01,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-11-19 03:57:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-11-19 03:57:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:57:01,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:01,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:01,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:01,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:57:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2023-11-19 03:57:02,108 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2023-11-19 03:57:02,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:57:02,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:57:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2023-11-19 03:57:02,416 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2023-11-19 03:57:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:57:02,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:57:02,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2023-11-19 03:57:02,548 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2023-11-19 03:57:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:57:02,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:57:02,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:02,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2023-11-19 03:57:02,865 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 03:57:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:02,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:02,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:02,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:02,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:57:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2023-11-19 03:57:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2023-11-19 03:57:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:57:03,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:03,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:03,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:57:03,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:57:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2023-11-19 03:57:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2023-11-19 03:57:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:57:04,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:04,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:04,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:57:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:04,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2023-11-19 03:57:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2023-11-19 03:57:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:04,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:05,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:57:05,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:57:06,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2023-11-19 03:57:06,348 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2023-11-19 03:57:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:57:06,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:06,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:57:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 135 transitions. [2023-11-19 03:57:06,899 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2023-11-19 03:57:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:57:06,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:06,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:06,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:06,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-19 03:57:07,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:07,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2023-11-19 03:57:07,421 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2023-11-19 03:57:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:57:07,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:07,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:07,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:07,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:57:08,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2023-11-19 03:57:08,383 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2023-11-19 03:57:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:57:08,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:08,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:08,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:57:08,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:57:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 78 states and 155 transitions. [2023-11-19 03:57:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2023-11-19 03:57:09,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:57:09,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:09,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:09,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:09,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:09,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 48 proven. 18 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-11-19 03:57:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 86 states and 174 transitions. [2023-11-19 03:57:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 174 transitions. [2023-11-19 03:57:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:57:12,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:12,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:12,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:12,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 40 proven. 7 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-19 03:57:13,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 89 states and 182 transitions. [2023-11-19 03:57:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 182 transitions. [2023-11-19 03:57:13,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:13,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:13,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:13,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:13,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:14,128 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:57:16,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:16,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 96 states and 201 transitions. [2023-11-19 03:57:16,131 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 201 transitions. [2023-11-19 03:57:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:16,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:16,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:16,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:57:16,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-19 03:57:17,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:17,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 99 states and 211 transitions. [2023-11-19 03:57:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 211 transitions. [2023-11-19 03:57:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:57:17,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:17,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:57:17,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 31 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 03:57:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 103 states and 221 transitions. [2023-11-19 03:57:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 221 transitions. [2023-11-19 03:57:19,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:57:19,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:19,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:19,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:19,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:19,464 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2023-11-19 03:57:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 107 states and 227 transitions. [2023-11-19 03:57:20,297 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 227 transitions. [2023-11-19 03:57:20,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:57:20,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:20,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:20,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:20,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 03:57:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 110 states and 232 transitions. [2023-11-19 03:57:21,355 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 232 transitions. [2023-11-19 03:57:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 03:57:21,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:21,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:21,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:57:21,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 60 proven. 4 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2023-11-19 03:57:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:21,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 113 states and 243 transitions. [2023-11-19 03:57:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 243 transitions. [2023-11-19 03:57:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 03:57:21,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:21,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:21,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:21,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:21,993 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2023-11-19 03:57:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 119 states and 256 transitions. [2023-11-19 03:57:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 256 transitions. [2023-11-19 03:57:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:57:23,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:23,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:23,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:23,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 33 proven. 15 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:57:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 128 states and 284 transitions. [2023-11-19 03:57:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 284 transitions. [2023-11-19 03:57:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:57:28,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:28,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:57:28,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:28,753 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:57:31,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:31,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 135 states and 304 transitions. [2023-11-19 03:57:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 304 transitions. [2023-11-19 03:57:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:57:31,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:31,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:31,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:57:31,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:32,188 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:57:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 138 states and 314 transitions. [2023-11-19 03:57:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 314 transitions. [2023-11-19 03:57:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 03:57:33,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:33,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:33,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:33,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:34,021 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 28 proven. 27 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 03:57:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 142 states and 327 transitions. [2023-11-19 03:57:35,313 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 327 transitions. [2023-11-19 03:57:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 03:57:35,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:35,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2023-11-19 03:57:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 143 states and 328 transitions. [2023-11-19 03:57:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 328 transitions. [2023-11-19 03:57:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 03:57:35,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:35,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:36,006 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-19 03:57:36,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 147 states and 334 transitions. [2023-11-19 03:57:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 334 transitions. [2023-11-19 03:57:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-19 03:57:36,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:36,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:36,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:57:36,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 41 proven. 57 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-11-19 03:57:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 161 states and 366 transitions. [2023-11-19 03:57:42,659 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 366 transitions. [2023-11-19 03:57:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-19 03:57:42,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:42,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:42,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:57:42,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 49 proven. 16 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-19 03:57:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 164 states and 371 transitions. [2023-11-19 03:57:44,224 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 371 transitions. [2023-11-19 03:57:44,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 03:57:44,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:57:44,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2023-11-19 03:57:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 166 states and 373 transitions. [2023-11-19 03:57:44,789 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 373 transitions. [2023-11-19 03:57:44,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 03:57:44,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:44,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:44,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:57:44,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:44,896 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 565 trivial. 0 not checked. [2023-11-19 03:57:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:45,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 168 states and 376 transitions. [2023-11-19 03:57:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 376 transitions. [2023-11-19 03:57:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 03:57:45,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:45,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:45,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:45,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:45,602 INFO L134 CoverageAnalysis]: Checked inductivity of 686 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-19 03:57:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 169 states and 378 transitions. [2023-11-19 03:57:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 378 transitions. [2023-11-19 03:57:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 03:57:46,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:46,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:46,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:57:46,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:46,884 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 36 proven. 39 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-11-19 03:57:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 176 states and 399 transitions. [2023-11-19 03:57:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 399 transitions. [2023-11-19 03:57:50,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 03:57:50,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:50,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:50,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:57:50,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 47 proven. 90 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-19 03:57:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:53,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 180 states and 412 transitions. [2023-11-19 03:57:53,443 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 412 transitions. [2023-11-19 03:57:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 03:57:53,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:53,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:53,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:53,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2023-11-19 03:57:53,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 181 states and 413 transitions. [2023-11-19 03:57:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 413 transitions. [2023-11-19 03:57:53,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 03:57:53,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:53,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:57:53,993 INFO L285 TraceCheckSpWp]: Computing forward predicates...