./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi --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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:04:28,359 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:04:28,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:04:28,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:04:28,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:04:28,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:04:28,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:04:28,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:04:28,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:04:28,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:04:28,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:04:28,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:04:28,518 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:04:28,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:04:28,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:04:28,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:04:28,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:04:28,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:04:28,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:04:28,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:04:28,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:04:28,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:04:28,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:04:28,523 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:04:28,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:04:28,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:04:28,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:28,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:04:28,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:04:28,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:04:28,541 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:04:28,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:04:28,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:04:28,542 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_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2023-11-24 23:04:28,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:04:28,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:04:28,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:04:28,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:04:28,856 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:04:28,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-24 23:04:32,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:04:32,397 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:04:32,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-24 23:04:32,406 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/data/49a7e3a95/dd636cbfe5bc424782c70afe60ac3f90/FLAG84d1ee3a1 [2023-11-24 23:04:32,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/data/49a7e3a95/dd636cbfe5bc424782c70afe60ac3f90 [2023-11-24 23:04:32,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:04:32,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:04:32,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:32,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:04:32,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:04:32,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707b2a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32, skipping insertion in model container [2023-11-24 23:04:32,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:04:32,688 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_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c[576,589] [2023-11-24 23:04:32,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:32,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:04:32,736 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_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c[576,589] [2023-11-24 23:04:32,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:04:32,760 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:04:32,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32 WrapperNode [2023-11-24 23:04:32,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:04:32,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:32,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:04:32,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:04:32,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,798 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-24 23:04:32,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:04:32,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:04:32,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:04:32,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:04:32,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:04:32,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:04:32,825 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:04:32,825 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:04:32,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:04:32" (1/1) ... [2023-11-24 23:04:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:04:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:04:32,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:04:32,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042fbfc9-6f13-49bd-99f3-8ef1522e6cdd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:04:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:04:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:04:32,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:04:32,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:04:32,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:04:32,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:04:32,994 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:04:32,996 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:04:33,196 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:04:33,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:04:33,275 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:04:33,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:33 BoogieIcfgContainer [2023-11-24 23:04:33,277 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:04:33,278 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:04:33,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:04:33,291 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:04:33,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:04:33" (1/1) ... [2023-11-24 23:04:33,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:04:33,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-24 23:04:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-24 23:04:33,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:04:33,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:04:33,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 23:04:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 23:04:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:33,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:33,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:33,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:04:33,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 23:04:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:04:33,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:04:33,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:33,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:04:34,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-24 23:04:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-24 23:04:34,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:04:34,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:34,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:34,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 23:04:34,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:35,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2023-11-24 23:04:35,554 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2023-11-24 23:04:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:04:35,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:35,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-11-24 23:04:35,775 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-11-24 23:04:35,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:04:35,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:35,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:04:35,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:35,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:04:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2023-11-24 23:04:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2023-11-24 23:04:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:04:36,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:36,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:04:36,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:04:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:38,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2023-11-24 23:04:38,442 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2023-11-24 23:04:38,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:04:38,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:38,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:38,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:38,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:39,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 134 transitions. [2023-11-24 23:04:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 134 transitions. [2023-11-24 23:04:39,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:39,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:39,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:04:39,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:04:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 151 transitions. [2023-11-24 23:04:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 151 transitions. [2023-11-24 23:04:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:04:40,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:40,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:40,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:04:40,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:04:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 64 states and 171 transitions. [2023-11-24 23:04:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 171 transitions. [2023-11-24 23:04:42,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:42,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:42,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:04:42,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 23:04:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:45,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 71 states and 192 transitions. [2023-11-24 23:04:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 192 transitions. [2023-11-24 23:04:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:45,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:45,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:45,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:45,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:04:46,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:46,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 75 states and 200 transitions. [2023-11-24 23:04:46,819 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 200 transitions. [2023-11-24 23:04:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:04:46,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:46,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:04:46,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:46,922 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:04:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 77 states and 201 transitions. [2023-11-24 23:04:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2023-11-24 23:04:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:04:47,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:47,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:47,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:47,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:04:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:57,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 89 states and 240 transitions. [2023-11-24 23:04:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 240 transitions. [2023-11-24 23:04:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:04:57,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:57,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 23:04:57,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:05:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 92 states and 246 transitions. [2023-11-24 23:05:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 246 transitions. [2023-11-24 23:05:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:05:04,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:04,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:04,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:05:04,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 23:05:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 97 states and 267 transitions. [2023-11-24 23:05:09,303 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 267 transitions. [2023-11-24 23:05:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:05:09,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:09,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:05:09,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 23:05:12,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 101 states and 273 transitions. [2023-11-24 23:05:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 273 transitions. [2023-11-24 23:05:12,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 23:05:12,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:12,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:12,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:05:12,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 23:05:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:16,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 106 states and 285 transitions. [2023-11-24 23:05:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 285 transitions. [2023-11-24 23:05:16,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 23:05:16,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:16,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:16,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:05:16,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:17,025 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-24 23:05:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 110 states and 295 transitions. [2023-11-24 23:05:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 295 transitions. [2023-11-24 23:05:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:05:21,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:21,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:21,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:21,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:22,232 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-24 23:05:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 116 states and 317 transitions. [2023-11-24 23:05:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 317 transitions. [2023-11-24 23:05:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 23:05:28,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:28,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:05:28,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:05:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.