./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi --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 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:15:24,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:15:24,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:15:24,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:15:24,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:15:24,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:15:24,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:15:24,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:15:24,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:15:24,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:15:24,595 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:15:24,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:15:24,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:15:24,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:15:24,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:15:24,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:15:24,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:15:24,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:15:24,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:15:24,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:15:24,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:15:24,603 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:15:24,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:15:24,605 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:15:24,605 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:15:24,606 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:15:24,607 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:15:24,607 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:15:24,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:24,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:15:24,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:15:24,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:15:24,611 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:15:24,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:15:24,611 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:15:24,612 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_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee [2023-11-24 22:15:24,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:15:24,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:15:24,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:15:24,957 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:15:24,958 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:15:24,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-11-24 22:15:28,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:15:28,476 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:15:28,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2023-11-24 22:15:28,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/data/cf50c15e0/39c8c63d7f484c8bae19c028215d2a1f/FLAG8d399b83f [2023-11-24 22:15:28,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/data/cf50c15e0/39c8c63d7f484c8bae19c028215d2a1f [2023-11-24 22:15:28,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:15:28,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:15:28,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:15:28,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:15:28,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128efb7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28, skipping insertion in model container [2023-11-24 22:15:28,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,574 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:15:28,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,812 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:15:28,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:15:28,858 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:15:28,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28 WrapperNode [2023-11-24 22:15:28,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:15:28,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:15:28,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:15:28,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,909 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-24 22:15:28,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:15:28,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:15:28,911 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:15:28,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,928 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,943 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:15:28,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:15:28,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:15:28,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:15:28,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:28" (1/1) ... [2023-11-24 22:15:28,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:15:28,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:15:28,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:15:29,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96296a7b-d915-408f-b46f-708a35fe8a8b/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:15:29,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:15:29,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:15:29,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:15:29,115 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:15:29,117 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:15:29,570 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:15:29,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:15:29,619 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:15:29,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29 BoogieIcfgContainer [2023-11-24 22:15:29,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:15:29,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:15:29,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:15:29,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:15:29,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:29" (1/1) ... [2023-11-24 22:15:29,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:15:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-24 22:15:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-24 22:15:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:15:29,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:15:29,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:29,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:29,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-24 22:15:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-24 22:15:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:15:29,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-24 22:15:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-24 22:15:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:15:30,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-24 22:15:30,208 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-24 22:15:30,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:30,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:30,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-24 22:15:30,291 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-24 22:15:30,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:15:30,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:30,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:30,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:30,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-24 22:15:30,844 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-24 22:15:30,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:15:30,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:30,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:30,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:15:30,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:30,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:31,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:31,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-24 22:15:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-24 22:15:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:15:31,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:31,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:31,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:15:31,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 126 states and 160 transitions. [2023-11-24 22:15:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 160 transitions. [2023-11-24 22:15:32,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:15:32,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:32,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:32,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:15:32,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 127 states and 161 transitions. [2023-11-24 22:15:33,266 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 161 transitions. [2023-11-24 22:15:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:15:33,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:33,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:33,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:35,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:35,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 136 states and 178 transitions. [2023-11-24 22:15:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 178 transitions. [2023-11-24 22:15:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:15:35,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:35,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:35,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:15:35,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:35,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:38,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 146 states and 197 transitions. [2023-11-24 22:15:38,877 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 197 transitions. [2023-11-24 22:15:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:15:38,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:38,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:38,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:38,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:42,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:42,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 157 states and 218 transitions. [2023-11-24 22:15:42,313 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 218 transitions. [2023-11-24 22:15:42,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:15:42,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:42,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:42,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:42,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:42,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:46,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 169 states and 241 transitions. [2023-11-24 22:15:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 241 transitions. [2023-11-24 22:15:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:15:46,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:46,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:46,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:46,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:47,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:47,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 172 states and 247 transitions. [2023-11-24 22:15:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 247 transitions. [2023-11-24 22:15:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:15:47,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:47,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:15:47,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:48,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 174 states and 249 transitions. [2023-11-24 22:15:48,998 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 249 transitions. [2023-11-24 22:15:48,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:15:48,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:49,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:49,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:15:49,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:15:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:15:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 185 states and 270 transitions. [2023-11-24 22:15:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 270 transitions. [2023-11-24 22:15:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:15:54,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:15:54,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:15:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:15:54,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:15:54,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:15:55,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 196 states and 292 transitions. [2023-11-24 22:16:01,672 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 292 transitions. [2023-11-24 22:16:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:01,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:01,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:01,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:01,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 195 states and 291 transitions. [2023-11-24 22:16:02,018 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 291 transitions. [2023-11-24 22:16:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:02,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:02,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:16:02,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:08,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 207 states and 315 transitions. [2023-11-24 22:16:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 315 transitions. [2023-11-24 22:16:08,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:08,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:08,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:08,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:08,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:08,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 210 states and 319 transitions. [2023-11-24 22:16:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 319 transitions. [2023-11-24 22:16:09,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:09,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:09,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 213 states and 323 transitions. [2023-11-24 22:16:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 323 transitions. [2023-11-24 22:16:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:16:09,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:09,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:09,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:09,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 212 states and 322 transitions. [2023-11-24 22:16:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 322 transitions. [2023-11-24 22:16:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:10,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:10,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:16:10,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:16:11,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.