./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:25:49,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:25:49,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:25:49,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:25:49,526 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:25:49,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:25:49,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:25:49,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:25:49,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:25:49,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:25:49,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:25:49,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:25:49,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:25:49,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:25:49,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:25:49,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:25:49,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:25:49,586 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:25:49,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:25:49,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:25:49,587 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:25:49,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:25:49,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:25:49,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:25:49,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:25:49,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:25:49,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:25:49,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:25:49,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:49,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:25:49,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:25:49,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:25:49,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:25:49,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:25:49,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:25:49,594 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_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 357c28cbcf8a6aaf949faeabbb5ae0b19b92db6bb2faeba12cd91e7c958ae977 [2023-11-23 20:25:49,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:25:49,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:25:49,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:25:49,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:25:49,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:25:49,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-23 20:25:53,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:25:53,199 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:25:53,201 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound10.c [2023-11-23 20:25:53,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/data/44644f052/d69736b996724907838998b2db4940f6/FLAG0ebc7d793 [2023-11-23 20:25:53,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/data/44644f052/d69736b996724907838998b2db4940f6 [2023-11-23 20:25:53,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:25:53,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:25:53,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:53,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:25:53,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:25:53,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64386599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53, skipping insertion in model container [2023-11-23 20:25:53,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,279 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:25:53,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:53,522 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:25:53,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:25:53,582 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:25:53,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53 WrapperNode [2023-11-23 20:25:53,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:25:53,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:53,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:25:53,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:25:53,592 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,640 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-23 20:25:53,641 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:25:53,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:25:53,642 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:25:53,642 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:25:53,652 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:25:53,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:25:53,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:25:53,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:25:53,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:25:53" (1/1) ... [2023-11-23 20:25:53,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:25:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:25:53,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:25:53,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9db6f9db-b1ab-44ff-9e22-3966828160d9/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:25:53,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:25:53,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:25:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:25:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:25:53,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:25:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:25:53,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:25:53,839 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:25:53,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:25:54,050 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:25:54,098 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:25:54,098 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:25:54,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:54 BoogieIcfgContainer [2023-11-23 20:25:54,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:25:54,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:25:54,101 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:25:54,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:25:54,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:25:54" (1/1) ... [2023-11-23 20:25:54,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:25:54,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-23 20:25:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-23 20:25:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:25:54,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-23 20:25:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-23 20:25:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:25:54,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:54,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:55,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:55,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-23 20:25:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-23 20:25:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:25:55,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:55,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:55,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:55,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:55,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-23 20:25:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-23 20:25:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:25:55,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:55,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:55,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:25:55,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:55,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 87 transitions. [2023-11-23 20:25:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2023-11-23 20:25:56,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:25:56,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:56,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:56,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:25:56,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:57,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:57,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 107 transitions. [2023-11-23 20:25:57,102 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2023-11-23 20:25:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:25:57,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:57,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:57,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:57,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:57,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 115 transitions. [2023-11-23 20:25:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 115 transitions. [2023-11-23 20:25:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:25:57,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:57,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:57,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 75 states and 134 transitions. [2023-11-23 20:25:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2023-11-23 20:25:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:25:58,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:58,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:58,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:58,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:58,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 135 transitions. [2023-11-23 20:25:58,639 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 135 transitions. [2023-11-23 20:25:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:25:58,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:58,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:58,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:25:58,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:58,844 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:25:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:25:59,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 80 states and 142 transitions. [2023-11-23 20:25:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2023-11-23 20:25:59,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:25:59,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:25:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:25:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:25:59,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:25:59,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:25:59,466 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:26:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:01,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 92 states and 170 transitions. [2023-11-23 20:26:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 170 transitions. [2023-11-23 20:26:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:01,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:01,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:01,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:01,941 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 96 states and 173 transitions. [2023-11-23 20:26:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 173 transitions. [2023-11-23 20:26:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:26:02,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:02,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:02,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:02,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:02,989 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 96 states and 170 transitions. [2023-11-23 20:26:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2023-11-23 20:26:03,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:26:03,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:03,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:03,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:03,488 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 179 transitions. [2023-11-23 20:26:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 179 transitions. [2023-11-23 20:26:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:26:04,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:04,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:04,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:26:04,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:05,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 108 states and 198 transitions. [2023-11-23 20:26:05,886 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 198 transitions. [2023-11-23 20:26:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:26:05,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:05,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:05,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:26:05,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 111 states and 201 transitions. [2023-11-23 20:26:06,318 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 201 transitions. [2023-11-23 20:26:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:26:06,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:06,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:06,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:06,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:06,445 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 114 states and 216 transitions. [2023-11-23 20:26:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 216 transitions. [2023-11-23 20:26:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:26:06,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:06,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:06,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:06,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:07,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 116 states and 218 transitions. [2023-11-23 20:26:07,400 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 218 transitions. [2023-11-23 20:26:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:26:07,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:07,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:07,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:26:07,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 120 states and 228 transitions. [2023-11-23 20:26:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 228 transitions. [2023-11-23 20:26:08,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:08,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:08,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:08,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:26:08,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:08,940 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:10,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 124 states and 236 transitions. [2023-11-23 20:26:10,740 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2023-11-23 20:26:10,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:10,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:10,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:10,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:26:10,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:11,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:11,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 128 states and 246 transitions. [2023-11-23 20:26:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2023-11-23 20:26:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:11,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:11,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:11,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:26:11,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:11,989 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 258 transitions. [2023-11-23 20:26:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 258 transitions. [2023-11-23 20:26:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:26:12,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:12,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:12,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-23 20:26:12,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:12,824 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:13,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 134 states and 261 transitions. [2023-11-23 20:26:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 261 transitions. [2023-11-23 20:26:13,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:26:13,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:13,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:13,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:13,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:14,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:14,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 138 states and 276 transitions. [2023-11-23 20:26:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 276 transitions. [2023-11-23 20:26:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:26:14,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:14,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:14,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:14,892 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 143 states and 283 transitions. [2023-11-23 20:26:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 283 transitions. [2023-11-23 20:26:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:26:16,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:16,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:16,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:16,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:16,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 143 states and 282 transitions. [2023-11-23 20:26:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 282 transitions. [2023-11-23 20:26:16,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:16,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:16,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:16,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:16,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 147 states and 295 transitions. [2023-11-23 20:26:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 295 transitions. [2023-11-23 20:26:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:17,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:17,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:17,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 149 states and 297 transitions. [2023-11-23 20:26:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2023-11-23 20:26:17,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:26:17,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:17,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:17,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:26:17,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:18,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 153 states and 309 transitions. [2023-11-23 20:26:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 309 transitions. [2023-11-23 20:26:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:26:18,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:18,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:18,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:18,862 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:19,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 153 states and 301 transitions. [2023-11-23 20:26:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 301 transitions. [2023-11-23 20:26:19,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:26:19,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:19,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:19,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:26:19,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:19,830 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:20,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 157 states and 308 transitions. [2023-11-23 20:26:20,339 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 308 transitions. [2023-11-23 20:26:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:26:20,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:20,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:20,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:26:20,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 157 states and 307 transitions. [2023-11-23 20:26:21,018 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 307 transitions. [2023-11-23 20:26:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:26:21,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:21,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:21,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:21,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:22,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:22,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 157 states and 302 transitions. [2023-11-23 20:26:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2023-11-23 20:26:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:26:22,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:22,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:22,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:22,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 159 states and 306 transitions. [2023-11-23 20:26:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2023-11-23 20:26:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:26:23,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:23,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:26:23,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:24,467 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:26,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 323 transitions. [2023-11-23 20:26:26,136 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 323 transitions. [2023-11-23 20:26:26,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:26:26,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:26,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:26,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:26:26,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 171 states and 331 transitions. [2023-11-23 20:26:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 331 transitions. [2023-11-23 20:26:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:26:27,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:27,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:27,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:27,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:27,614 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 171 states and 330 transitions. [2023-11-23 20:26:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 330 transitions. [2023-11-23 20:26:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:26:28,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:28,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:28,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:30,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:30,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 180 states and 358 transitions. [2023-11-23 20:26:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 358 transitions. [2023-11-23 20:26:30,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:26:30,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:30,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:30,160 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:30,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 184 states and 373 transitions. [2023-11-23 20:26:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 373 transitions. [2023-11-23 20:26:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:26:31,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:31,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:26:31,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:31,138 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 186 states and 375 transitions. [2023-11-23 20:26:31,324 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 375 transitions. [2023-11-23 20:26:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:31,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:31,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:31,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:26:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 198 states and 397 transitions. [2023-11-23 20:26:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 397 transitions. [2023-11-23 20:26:36,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:36,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:36,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:36,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:26:36,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 198 states and 395 transitions. [2023-11-23 20:26:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 395 transitions. [2023-11-23 20:26:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:37,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:37,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:37,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:26:37,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:38,200 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-23 20:26:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 205 states and 421 transitions. [2023-11-23 20:26:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 421 transitions. [2023-11-23 20:26:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:40,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:40,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:40,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:26:40,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:26:43,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:43,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 211 states and 437 transitions. [2023-11-23 20:26:43,502 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 437 transitions. [2023-11-23 20:26:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:26:43,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:43,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:26:43,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:26:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.