./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:15,430 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:15,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:54:15,548 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:15,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:15,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:15,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:15,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:15,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:15,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:15,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:15,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:15,602 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:15,604 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:15,604 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:15,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:15,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:15,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:15,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:15,607 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:54:15,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:54:15,608 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:15,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:15,609 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:15,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:15,610 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:15,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:15,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:15,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:15,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:15,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:15,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:15,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:15,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:15,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:15,614 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_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2023-11-19 02:54:15,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:15,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:15,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:15,970 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:15,971 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:15,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-19 02:54:19,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:19,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:19,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-19 02:54:19,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/data/51f7e3708/696531d182454a57b73c450dc040d788/FLAG29a92edf7 [2023-11-19 02:54:19,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/data/51f7e3708/696531d182454a57b73c450dc040d788 [2023-11-19 02:54:19,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:19,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:19,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:19,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:19,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:19,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182a57a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19, skipping insertion in model container [2023-11-19 02:54:19,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:19,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:19,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:19,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:19,685 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:19,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19 WrapperNode [2023-11-19 02:54:19,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:19,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:19,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:19,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:19,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,740 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-19 02:54:19,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:19,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:19,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:19,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:19,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,753 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,762 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:19,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:19,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:19,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:19,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:19" (1/1) ... [2023-11-19 02:54:19,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:19,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:19,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:19,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ab58da-30b7-4816-ac71-034779c4eb3e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:54:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:54:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:19,901 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:19,904 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:20,296 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:20,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:20,330 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:20,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:20 BoogieIcfgContainer [2023-11-19 02:54:20,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:20,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:20,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:20,347 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:20,348 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:20" (1/1) ... [2023-11-19 02:54:20,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:20,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-19 02:54:20,430 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-19 02:54:20,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:54:20,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:20,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 131 states and 135 transitions. [2023-11-19 02:54:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-19 02:54:20,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:54:20,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 134 transitions. [2023-11-19 02:54:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-19 02:54:20,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:54:20,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 133 transitions. [2023-11-19 02:54:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-19 02:54:21,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:21,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 132 transitions. [2023-11-19 02:54:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-19 02:54:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:54:21,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:21,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 134 transitions. [2023-11-19 02:54:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-19 02:54:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:54:22,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:22,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 135 transitions. [2023-11-19 02:54:22,164 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-19 02:54:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:54:22,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 141 transitions. [2023-11-19 02:54:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-19 02:54:22,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:54:22,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 136 states and 142 transitions. [2023-11-19 02:54:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-11-19 02:54:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:54:22,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:22,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 147 transitions. [2023-11-19 02:54:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-11-19 02:54:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:54:22,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:22,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:22,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:22,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:22,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 153 transitions. [2023-11-19 02:54:23,129 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2023-11-19 02:54:23,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:23,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 146 states and 159 transitions. [2023-11-19 02:54:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2023-11-19 02:54:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:54:23,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:23,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:23,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:54:23,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 150 states and 166 transitions. [2023-11-19 02:54:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-19 02:54:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:54:24,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:24,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:24,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 154 states and 171 transitions. [2023-11-19 02:54:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2023-11-19 02:54:24,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:54:24,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:24,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:24,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:24,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:25,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:25,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 158 states and 176 transitions. [2023-11-19 02:54:25,072 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-19 02:54:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:54:25,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:25,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:25,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:25,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:25,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:26,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:26,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 170 states and 191 transitions. [2023-11-19 02:54:26,957 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 191 transitions. [2023-11-19 02:54:26,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:54:26,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:26,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:54:26,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 183 states and 207 transitions. [2023-11-19 02:54:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 207 transitions. [2023-11-19 02:54:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:54:29,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:29,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:29,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:29,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 197 states and 224 transitions. [2023-11-19 02:54:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 224 transitions. [2023-11-19 02:54:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:54:30,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:30,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:30,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:32,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:32,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 212 states and 242 transitions. [2023-11-19 02:54:32,423 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 242 transitions. [2023-11-19 02:54:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:54:32,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:32,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:32,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:54:32,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:33,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:35,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 228 states and 261 transitions. [2023-11-19 02:54:35,914 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 261 transitions. [2023-11-19 02:54:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:54:35,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:35,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:35,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:54:35,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:38,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 245 states and 281 transitions. [2023-11-19 02:54:38,677 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 281 transitions. [2023-11-19 02:54:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:54:38,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:38,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:38,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:38,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 263 states and 304 transitions. [2023-11-19 02:54:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 304 transitions. [2023-11-19 02:54:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:54:41,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:41,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:41,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:41,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:45,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 282 states and 329 transitions. [2023-11-19 02:54:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 329 transitions. [2023-11-19 02:54:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:54:45,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:45,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:45,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:45,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:45,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 299 states and 352 transitions. [2023-11-19 02:54:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 352 transitions. [2023-11-19 02:54:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:54:47,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:47,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:47,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:49,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:49,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 306 states and 366 transitions. [2023-11-19 02:54:49,118 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 366 transitions. [2023-11-19 02:54:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:54:49,119 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:49,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:49,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:49,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:49,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:51,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 313 states and 381 transitions. [2023-11-19 02:54:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 381 transitions. [2023-11-19 02:54:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:54:51,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:51,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:51,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 314 states and 382 transitions. [2023-11-19 02:54:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 382 transitions. [2023-11-19 02:54:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:51,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:51,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:51,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:53,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 321 states and 396 transitions. [2023-11-19 02:54:53,481 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 396 transitions. [2023-11-19 02:54:53,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:53,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:53,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:53,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:54:53,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:54:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 328 states and 411 transitions. [2023-11-19 02:54:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 411 transitions. [2023-11-19 02:54:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:54:55,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:55,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:55,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:54:55,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 336 states and 429 transitions. [2023-11-19 02:55:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 429 transitions. [2023-11-19 02:55:01,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:55:01,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:01,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:55:01,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:06,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:06,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 345 states and 449 transitions. [2023-11-19 02:55:06,363 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 449 transitions. [2023-11-19 02:55:06,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:55:06,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:06,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:06,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 348 states and 454 transitions. [2023-11-19 02:55:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2023-11-19 02:55:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:55:07,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:07,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:07,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:55:07,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:55:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 357 states and 474 transitions. [2023-11-19 02:55:13,865 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 474 transitions. [2023-11-19 02:55:13,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 02:55:13,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:13,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:13,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:55:13,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:55:14,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.