./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/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_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL --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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:35,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:35,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 04:06:35,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:35,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:35,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:35,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:35,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:35,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:35,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:35,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:35,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:35,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:35,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:35,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:35,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:35,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:35,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:35,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:35,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:06:35,601 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:06:35,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:35,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:35,603 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:35,603 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:35,604 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:35,604 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:35,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:35,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:35,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:35,606 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:35,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:35,607 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:35,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:35,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:35,608 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_805a81ed-86fe-4ae2-aef8-2a5e24819dec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2023-11-19 04:06:35,880 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:35,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:35,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:35,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:35,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:35,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-19 04:06:39,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:39,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:39,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2023-11-19 04:06:39,322 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/data/11ecd5676/174f0cb88a9244239f6c3be922d3cdbe/FLAGed001bac7 [2023-11-19 04:06:39,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/data/11ecd5676/174f0cb88a9244239f6c3be922d3cdbe [2023-11-19 04:06:39,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:39,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:39,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:39,349 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:39,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:39,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8ada9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39, skipping insertion in model container [2023-11-19 04:06:39,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:39,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:39,562 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:39,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:39,605 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:39,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39 WrapperNode [2023-11-19 04:06:39,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:39,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:39,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:39,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:39,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,689 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 156 [2023-11-19 04:06:39,689 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:39,690 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:39,690 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:39,691 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:39,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,710 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,714 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,725 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:39,726 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:39,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:39,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:39,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:39" (1/1) ... [2023-11-19 04:06:39,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:39,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:39,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:39,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_805a81ed-86fe-4ae2-aef8-2a5e24819dec/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:39,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:06:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:06:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:39,819 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:06:39,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:06:39,884 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:39,887 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:40,384 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:40,417 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:40,417 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:06:40,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:40 BoogieIcfgContainer [2023-11-19 04:06:40,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:40,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:40,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:40,434 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:40,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:40" (1/1) ... [2023-11-19 04:06:40,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 137 states and 150 transitions. [2023-11-19 04:06:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 150 transitions. [2023-11-19 04:06:40,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:40,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:40,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:06:40,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 137 states and 149 transitions. [2023-11-19 04:06:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 149 transitions. [2023-11-19 04:06:40,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:40,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 139 states and 152 transitions. [2023-11-19 04:06:41,066 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-19 04:06:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:41,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:41,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 140 states and 153 transitions. [2023-11-19 04:06:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-19 04:06:41,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:06:41,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:41,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 141 states and 155 transitions. [2023-11-19 04:06:41,386 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 155 transitions. [2023-11-19 04:06:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:41,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:41,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:41,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 147 states and 166 transitions. [2023-11-19 04:06:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 166 transitions. [2023-11-19 04:06:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:41,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:41,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:42,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 154 states and 179 transitions. [2023-11-19 04:06:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 179 transitions. [2023-11-19 04:06:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:42,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:42,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 188 transitions. [2023-11-19 04:06:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-19 04:06:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:06:43,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:43,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:43,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:43,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 166 states and 204 transitions. [2023-11-19 04:06:44,529 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 204 transitions. [2023-11-19 04:06:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:06:44,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:44,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 170 states and 215 transitions. [2023-11-19 04:06:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 215 transitions. [2023-11-19 04:06:45,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:06:45,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:45,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:45,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:45,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:45,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 171 states and 216 transitions. [2023-11-19 04:06:45,494 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 216 transitions. [2023-11-19 04:06:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:06:45,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:45,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:45,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:45,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:46,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 174 states and 220 transitions. [2023-11-19 04:06:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 220 transitions. [2023-11-19 04:06:46,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:06:46,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:46,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 175 states and 221 transitions. [2023-11-19 04:06:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 221 transitions. [2023-11-19 04:06:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:06:46,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:46,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:46,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 176 states and 221 transitions. [2023-11-19 04:06:46,939 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2023-11-19 04:06:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:46,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:46,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:46,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:46,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:47,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 188 states and 243 transitions. [2023-11-19 04:06:48,840 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 243 transitions. [2023-11-19 04:06:48,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:48,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:48,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:48,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:48,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:49,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 195 states and 256 transitions. [2023-11-19 04:06:49,490 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 256 transitions. [2023-11-19 04:06:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:49,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:49,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:49,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:50,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 200 states and 263 transitions. [2023-11-19 04:06:50,337 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 263 transitions. [2023-11-19 04:06:50,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:50,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:50,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 201 states and 264 transitions. [2023-11-19 04:06:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 264 transitions. [2023-11-19 04:06:50,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:50,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:06:50,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:50,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 202 states and 265 transitions. [2023-11-19 04:06:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 265 transitions. [2023-11-19 04:06:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:50,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:50,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 205 states and 270 transitions. [2023-11-19 04:06:51,504 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2023-11-19 04:06:51,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:51,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:06:51,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:51,792 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:52,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 208 states and 273 transitions. [2023-11-19 04:06:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions. [2023-11-19 04:06:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:06:52,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:52,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:52,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:52,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:52,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 217 states and 288 transitions. [2023-11-19 04:06:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2023-11-19 04:06:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:54,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:54,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:54,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:06:54,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:55,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 218 states and 289 transitions. [2023-11-19 04:06:55,047 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 289 transitions. [2023-11-19 04:06:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:55,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:06:55,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:57,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 228 states and 305 transitions. [2023-11-19 04:06:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 305 transitions. [2023-11-19 04:06:57,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:57,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:57,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 233 states and 315 transitions. [2023-11-19 04:06:58,638 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 315 transitions. [2023-11-19 04:06:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:06:58,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:58,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:58,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:06:58,675 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:06:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:59,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 235 states and 316 transitions. [2023-11-19 04:06:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 316 transitions. [2023-11-19 04:06:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:06:59,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:59,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:06:59,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:06:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 251 states and 342 transitions. [2023-11-19 04:07:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 342 transitions. [2023-11-19 04:07:03,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:07:03,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:03,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:03,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:07:03,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:06,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 262 states and 359 transitions. [2023-11-19 04:07:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 359 transitions. [2023-11-19 04:07:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:07:06,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:06,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 278 states and 391 transitions. [2023-11-19 04:07:13,125 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 391 transitions. [2023-11-19 04:07:13,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:07:13,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:13,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:07:13,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:13,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:19,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:19,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 295 states and 420 transitions. [2023-11-19 04:07:19,429 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 420 transitions. [2023-11-19 04:07:19,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:07:19,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:19,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:19,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:07:19,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:19,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:19,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 296 states and 421 transitions. [2023-11-19 04:07:19,534 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 421 transitions. [2023-11-19 04:07:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:07:19,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:19,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 303 states and 436 transitions. [2023-11-19 04:07:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 436 transitions. [2023-11-19 04:07:23,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:07:23,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:23,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:23,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:07:23,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:23,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:27,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 315 states and 450 transitions. [2023-11-19 04:07:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 450 transitions. [2023-11-19 04:07:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:07:27,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:27,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:27,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:07:27,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:27,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:33,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:33,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 328 states and 473 transitions. [2023-11-19 04:07:33,585 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 473 transitions. [2023-11-19 04:07:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:07:33,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:33,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 329 states and 479 transitions. [2023-11-19 04:07:33,693 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 479 transitions. [2023-11-19 04:07:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:07:33,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:33,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:07:33,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:07:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.