./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e9911e775b3214ba13077b05d83e9364947724e9afa3bb89f51b07ee325bd90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:19,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:19,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:19,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:19,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:19,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:19,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:19,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:19,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:19,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:19,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:19,618 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:19,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:19,619 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:19,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:19,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:19,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:19,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:19,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:19,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:19,624 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:19,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:19,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:19,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:19,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:19,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:19,628 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:19,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:19,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:19,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:19,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:19,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:19,632 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:19,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:19,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:19,633 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_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e9911e775b3214ba13077b05d83e9364947724e9afa3bb89f51b07ee325bd90 [2023-11-23 20:20:19,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:19,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:19,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:19,936 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:19,936 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:19,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c [2023-11-23 20:20:23,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:23,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:23,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound20.c [2023-11-23 20:20:23,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/data/70906b70d/14f4b5cade6949c8b15e19cb90a401a7/FLAG09282a252 [2023-11-23 20:20:23,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/data/70906b70d/14f4b5cade6949c8b15e19cb90a401a7 [2023-11-23 20:20:23,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:23,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:23,432 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:23,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:23,438 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:23,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fa2039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23, skipping insertion in model container [2023-11-23 20:20:23,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,464 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:23,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:23,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:23,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:23,722 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:23,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23 WrapperNode [2023-11-23 20:20:23,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:23,725 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:23,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:23,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:23,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,768 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-23 20:20:23,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:23,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:23,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:23,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:23,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,799 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:23,800 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:23,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:23,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:23,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:23" (1/1) ... [2023-11-23 20:20:23,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:23,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:23,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:23,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffbaca1-4c05-4d60-8135-5cac1368ef7c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:20:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:20:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:23,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:23,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:24,560 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:24,625 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:24,625 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:20:24,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:24 BoogieIcfgContainer [2023-11-23 20:20:24,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:24,629 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:24,629 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:24,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:24,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:24" (1/1) ... [2023-11-23 20:20:24,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-23 20:20:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-23 20:20:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:24,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:24,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:24,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:20:24,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-23 20:20:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-23 20:20:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:20:25,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:25,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:25,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-23 20:20:25,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:20:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:20:25,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:25,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-23 20:20:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-23 20:20:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:25,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:25,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:25,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:20:25,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:25,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:20:26,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:26,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-23 20:20:26,024 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-23 20:20:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:26,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:26,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:26,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-23 20:20:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:20:27,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:20:27,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:27,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:27,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-23 20:20:28,545 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-23 20:20:28,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:28,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:28,627 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-23 20:20:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-23 20:20:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:20:28,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:28,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:28,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:28,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-23 20:20:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-23 20:20:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:30,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:30,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-23 20:20:30,359 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-23 20:20:30,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:20:30,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:30,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:30,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:30,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 175 states and 197 transitions. [2023-11-23 20:20:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 197 transitions. [2023-11-23 20:20:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:31,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:31,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:31,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:31,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:31,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 183 states and 211 transitions. [2023-11-23 20:20:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 211 transitions. [2023-11-23 20:20:33,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:20:33,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:33,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:33,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:35,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 187 states and 220 transitions. [2023-11-23 20:20:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 220 transitions. [2023-11-23 20:20:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:35,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:35,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:35,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:38,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:38,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 196 states and 237 transitions. [2023-11-23 20:20:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 237 transitions. [2023-11-23 20:20:38,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:38,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:38,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:38,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:38,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:39,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 199 states and 242 transitions. [2023-11-23 20:20:39,633 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions. [2023-11-23 20:20:39,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:20:39,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:39,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:39,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:39,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:40,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 204 states and 251 transitions. [2023-11-23 20:20:40,706 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 251 transitions. [2023-11-23 20:20:40,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:40,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:40,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:40,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:40,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 205 states and 252 transitions. [2023-11-23 20:20:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 252 transitions. [2023-11-23 20:20:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:41,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:41,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:41,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:20:41,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:41,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 206 states and 253 transitions. [2023-11-23 20:20:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 253 transitions. [2023-11-23 20:20:41,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:20:41,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:41,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:41,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:20:41,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:42,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 207 states and 254 transitions. [2023-11-23 20:20:42,159 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2023-11-23 20:20:42,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:20:42,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:42,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:42,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:42,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 219 states and 275 transitions. [2023-11-23 20:20:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 275 transitions. [2023-11-23 20:20:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:47,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:47,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:47,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:20:47,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:53,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:53,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 232 states and 298 transitions. [2023-11-23 20:20:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 298 transitions. [2023-11-23 20:20:53,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:20:53,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:53,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:20:53,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:20:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:00,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 245 states and 323 transitions. [2023-11-23 20:21:00,229 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 323 transitions. [2023-11-23 20:21:00,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:21:00,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:00,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:21:00,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:06,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 259 states and 350 transitions. [2023-11-23 20:21:06,169 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 350 transitions. [2023-11-23 20:21:06,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:21:06,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:06,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:06,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:06,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:14,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 274 states and 379 transitions. [2023-11-23 20:21:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 379 transitions. [2023-11-23 20:21:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:21:14,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:14,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:14,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:21:14,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:21:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.