./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.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_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/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_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/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_71676657-e663-43af-a42d-d4842fb6ebb4/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 a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:37:56,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:37:56,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:37:56,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:37:56,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:37:56,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:37:56,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:37:56,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:37:56,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:37:56,692 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:37:56,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:37:56,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:37:56,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:37:56,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:37:56,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:37:56,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:37:56,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:37:56,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:37:56,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:37:56,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:37:56,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:37:56,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:37:56,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:37:56,701 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:37:56,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:37:56,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:37:56,703 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:37:56,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:37:56,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:37:56,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:37:56,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:37:56,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:37:56,706 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:37:56,706 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_71676657-e663-43af-a42d-d4842fb6ebb4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3d3bea00f90884a75828a52041ade76894eb11b308d280406ab40770bedb299 [2023-11-19 02:37:56,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:37:56,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:37:56,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:37:56,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:37:56,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:37:56,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-11-19 02:38:00,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:38:00,339 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:38:00,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c [2023-11-19 02:38:00,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/data/a24f6b42c/b9e58bf9cb9e45489d1b1656653574ea/FLAG8d46b4bd1 [2023-11-19 02:38:00,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/data/a24f6b42c/b9e58bf9cb9e45489d1b1656653574ea [2023-11-19 02:38:00,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:38:00,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:38:00,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:38:00,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:38:00,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:38:00,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c53022a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00, skipping insertion in model container [2023-11-19 02:38:00,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:38:00,610 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_71676657-e663-43af-a42d-d4842fb6ebb4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c[538,551] [2023-11-19 02:38:00,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:38:00,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:38:00,678 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_71676657-e663-43af-a42d-d4842fb6ebb4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound20.c[538,551] [2023-11-19 02:38:00,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:38:00,716 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:38:00,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00 WrapperNode [2023-11-19 02:38:00,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:38:00,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:38:00,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:38:00,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:38:00,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,778 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-19 02:38:00,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:38:00,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:38:00,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:38:00,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:38:00,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:38:00,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:38:00,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:38:00,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:38:00,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:38:00" (1/1) ... [2023-11-19 02:38:00,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:38:00,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:38:00,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:38:00,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71676657-e663-43af-a42d-d4842fb6ebb4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:38:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:38:00,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:38:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:38:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:38:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:38:00,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:38:00,981 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:38:00,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:38:01,188 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:38:01,276 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:38:01,276 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:38:01,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:38:01 BoogieIcfgContainer [2023-11-19 02:38:01,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:38:01,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:38:01,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:38:01,292 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:38:01,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:38:01" (1/1) ... [2023-11-19 02:38:01,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:38:01,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-19 02:38:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-19 02:38:01,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:38:01,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:01,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:01,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:38:01,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:38:01,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:38:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:38:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:38:01,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:38:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-11-19 02:38:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-11-19 02:38:01,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:38:01,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:01,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:01,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:38:01,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:01,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:38:02,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:02,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-11-19 02:38:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-19 02:38:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:38:02,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:02,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:02,455 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 02:38:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-11-19 02:38:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-19 02:38:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:38:02,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:02,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:02,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:02,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:03,062 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 02:38:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:03,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2023-11-19 02:38:03,955 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-11-19 02:38:03,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:38:03,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:03,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:04,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:38:04,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:04,142 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 02:38:05,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:05,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 48 states and 95 transitions. [2023-11-19 02:38:05,497 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2023-11-19 02:38:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:38:05,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:05,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:05,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:05,717 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 02:38:06,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions. [2023-11-19 02:38:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2023-11-19 02:38:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:38:06,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:06,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:06,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:38:06,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:06,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:38:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 112 transitions. [2023-11-19 02:38:07,075 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 02:38:07,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:38:07,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:07,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:07,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:07,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:07,217 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 02:38:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 59 states and 130 transitions. [2023-11-19 02:38:07,716 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 130 transitions. [2023-11-19 02:38:07,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:38:07,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:07,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:07,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:38:07,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:07,814 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 02:38:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 61 states and 131 transitions. [2023-11-19 02:38:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2023-11-19 02:38:08,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:38:08,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:08,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:08,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:38:08,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:38:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 66 states and 148 transitions. [2023-11-19 02:38:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2023-11-19 02:38:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:38:10,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:10,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:10,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:38:10,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:38:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:12,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 72 states and 160 transitions. [2023-11-19 02:38:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 160 transitions. [2023-11-19 02:38:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:38:12,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:12,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:12,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:12,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:12,854 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 02:38:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 75 states and 176 transitions. [2023-11-19 02:38:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 176 transitions. [2023-11-19 02:38:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:38:13,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:13,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:13,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:38:13,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:38:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 178 transitions. [2023-11-19 02:38:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 178 transitions. [2023-11-19 02:38:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:38:13,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:13,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:38:13,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 02:38:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:14,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 79 states and 186 transitions. [2023-11-19 02:38:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 186 transitions. [2023-11-19 02:38:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:38:14,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:14,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:14,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:14,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:38:17,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:17,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 89 states and 247 transitions. [2023-11-19 02:38:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 247 transitions. [2023-11-19 02:38:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:38:17,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:17,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:17,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 02:38:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 92 states and 254 transitions. [2023-11-19 02:38:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 254 transitions. [2023-11-19 02:38:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-19 02:38:19,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:19,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:19,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:19,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:38:19,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 92 states and 253 transitions. [2023-11-19 02:38:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 253 transitions. [2023-11-19 02:38:19,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 02:38:19,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:19,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:19,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:38:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:38:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:20,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 94 states and 261 transitions. [2023-11-19 02:38:20,991 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 261 transitions. [2023-11-19 02:38:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:38:20,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:20,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:21,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:38:21,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:38:24,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 98 states and 276 transitions. [2023-11-19 02:38:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 276 transitions. [2023-11-19 02:38:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:38:24,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:24,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:38:24,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-11-19 02:38:25,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 100 states and 277 transitions. [2023-11-19 02:38:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 277 transitions. [2023-11-19 02:38:25,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:38:25,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:25,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:25,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:38:25,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 02:38:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 103 states and 285 transitions. [2023-11-19 02:38:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 285 transitions. [2023-11-19 02:38:26,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:38:26,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:26,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:26,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 02:38:26,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:27,222 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-19 02:38:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 113 states and 324 transitions. [2023-11-19 02:38:33,927 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 324 transitions. [2023-11-19 02:38:33,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:38:33,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:33,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:33,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:38:33,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:34,243 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:38:38,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 119 states and 352 transitions. [2023-11-19 02:38:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 352 transitions. [2023-11-19 02:38:38,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:38:38,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:38,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:38,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:38:38,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:38:40,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 121 states and 353 transitions. [2023-11-19 02:38:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 353 transitions. [2023-11-19 02:38:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:38:40,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:40,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:40,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:38:40,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:38:44,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 126 states and 384 transitions. [2023-11-19 02:38:44,242 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 384 transitions. [2023-11-19 02:38:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:38:44,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:44,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:44,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:38:44,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:38:45,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:38:45,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 128 states and 389 transitions. [2023-11-19 02:38:45,906 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 389 transitions. [2023-11-19 02:38:45,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 02:38:45,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:38:45,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:38:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:38:45,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 02:38:45,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:38:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.