./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/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_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/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_86bb9827-d096-4c4a-9c77-36817196e148/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 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:43,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:43,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:44:43,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:44:43,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:44:43,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:43,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:43,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:43,785 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:43,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:43,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:43,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:43,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:44:43,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:44:43,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:44:43,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:43,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:43,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:43,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:43,795 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:44:43,796 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:43,796 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:43,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:43,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:43,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:43,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:43,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:43,799 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:43,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:43,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:43,801 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:44:43,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:44:43,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:43,802 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_86bb9827-d096-4c4a-9c77-36817196e148/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 [2023-11-19 03:44:44,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:44,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:44,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:44,116 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:44,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:44,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2023-11-19 03:44:47,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:47,541 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:47,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2023-11-19 03:44:47,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/data/bd36cbb29/183ca4e6b359412285d68efcb6419045/FLAGfb8a1f2fd [2023-11-19 03:44:47,574 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/data/bd36cbb29/183ca4e6b359412285d68efcb6419045 [2023-11-19 03:44:47,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:47,582 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:47,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:47,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:47,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:47,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f23de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47, skipping insertion in model container [2023-11-19 03:44:47,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:47,841 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_86bb9827-d096-4c4a-9c77-36817196e148/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c[489,502] [2023-11-19 03:44:47,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:47,877 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:47,890 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_86bb9827-d096-4c4a-9c77-36817196e148/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c[489,502] [2023-11-19 03:44:47,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:47,914 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:47,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47 WrapperNode [2023-11-19 03:44:47,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:47,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:47,917 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:47,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:47,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,953 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 03:44:47,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:47,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:47,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:47,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:47,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:47,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:47,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:47,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:47,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:47" (1/1) ... [2023-11-19 03:44:47,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:48,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:48,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86bb9827-d096-4c4a-9c77-36817196e148/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:48,061 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:44:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:44:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:44:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:48,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:48,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:44:48,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:44:48,128 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:48,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:48,317 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:48,369 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:48,370 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:48,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:48 BoogieIcfgContainer [2023-11-19 03:44:48,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:48,376 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:48,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:48,388 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:48,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:48" (1/1) ... [2023-11-19 03:44:48,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:44:48,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:44:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:44:48,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:48,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:48,667 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 03:44:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:48,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 03:44:48,699 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 03:44:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:48,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:48,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:48,850 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 03:44:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-11-19 03:44:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 03:44:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:44:48,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:49,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:44:49,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:49,269 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 03:44:49,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2023-11-19 03:44:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2023-11-19 03:44:49,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:44:49,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:49,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:49,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:44:49,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:44:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 59 transitions. [2023-11-19 03:44:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2023-11-19 03:44:50,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:44:50,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:50,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:44:50,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:50,478 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:44:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 70 transitions. [2023-11-19 03:44:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2023-11-19 03:44:51,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:44:51,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:51,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:51,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:51,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:51,350 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:44:51,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:51,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 72 transitions. [2023-11-19 03:44:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 03:44:51,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:44:51,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:51,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:51,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:44:51,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:51,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:44:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 51 states and 114 transitions. [2023-11-19 03:44:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2023-11-19 03:44:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:44:52,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:52,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:53,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:44:53,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:44:54,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 56 states and 132 transitions. [2023-11-19 03:44:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 132 transitions. [2023-11-19 03:44:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:44:54,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:54,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:54,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:44:54,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:44:55,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 58 states and 136 transitions. [2023-11-19 03:44:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 136 transitions. [2023-11-19 03:44:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:44:55,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:55,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:55,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:44:55,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:56,263 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:44:57,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 64 states and 164 transitions. [2023-11-19 03:44:57,704 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 164 transitions. [2023-11-19 03:44:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:44:57,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:57,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:57,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:44:57,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:44:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 69 states and 187 transitions. [2023-11-19 03:44:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 187 transitions. [2023-11-19 03:44:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:44:59,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:44:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:59,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:44:59,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:45:01,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 71 states and 192 transitions. [2023-11-19 03:45:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 192 transitions. [2023-11-19 03:45:01,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:45:01,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:01,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:01,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:45:01,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:45:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:02,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 74 states and 211 transitions. [2023-11-19 03:45:02,223 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 211 transitions. [2023-11-19 03:45:02,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:45:02,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:02,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:02,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:45:02,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:45:07,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:07,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 85 states and 246 transitions. [2023-11-19 03:45:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 246 transitions. [2023-11-19 03:45:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:45:07,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:07,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:07,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:45:07,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 03:45:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:11,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 90 states and 266 transitions. [2023-11-19 03:45:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 266 transitions. [2023-11-19 03:45:11,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:45:11,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:11,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:11,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:45:11,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:45:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 92 states and 269 transitions. [2023-11-19 03:45:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 269 transitions. [2023-11-19 03:45:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:45:13,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:13,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:45:13,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:45:15,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 96 states and 292 transitions. [2023-11-19 03:45:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 292 transitions. [2023-11-19 03:45:15,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:15,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:15,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:15,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:45:15,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:45:20,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 101 states and 319 transitions. [2023-11-19 03:45:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 319 transitions. [2023-11-19 03:45:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:20,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:20,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:20,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:20,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:21,291 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:45:25,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:25,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 111 states and 416 transitions. [2023-11-19 03:45:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 416 transitions. [2023-11-19 03:45:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:25,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:25,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:45:25,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:45:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:26,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 112 states and 418 transitions. [2023-11-19 03:45:26,918 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 418 transitions. [2023-11-19 03:45:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:26,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:26,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:27,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:45:27,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:27,516 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:45:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 114 states and 422 transitions. [2023-11-19 03:45:29,499 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 422 transitions. [2023-11-19 03:45:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:29,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:29,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:29,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:29,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:45:30,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:30,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 114 states and 421 transitions. [2023-11-19 03:45:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 421 transitions. [2023-11-19 03:45:30,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:30,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:30,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:30,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:30,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:45:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:32,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 117 states and 426 transitions. [2023-11-19 03:45:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 426 transitions. [2023-11-19 03:45:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:32,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:32,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:32,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:45:32,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 03:45:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 120 states and 437 transitions. [2023-11-19 03:45:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 437 transitions. [2023-11-19 03:45:35,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:35,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:35,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:45:35,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 28 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 03:45:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 123 states and 451 transitions. [2023-11-19 03:45:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 451 transitions. [2023-11-19 03:45:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:45:37,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:37,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:37,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:45:37,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 03:45:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:45:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 123 states and 450 transitions. [2023-11-19 03:45:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 450 transitions. [2023-11-19 03:45:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 03:45:38,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:45:38,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:45:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:45:38,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:45:38,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:45:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.