./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/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_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/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 64bit --witnessprinter.graph.data.programhash ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:26:47,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:26:47,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:26:47,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:26:47,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:26:47,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:26:47,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:26:47,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:26:47,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:26:47,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:26:47,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:26:47,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:26:47,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:26:47,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:26:47,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:26:47,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:26:47,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:26:47,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:26:47,972 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:26:47,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:26:47,974 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:26:47,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:26:47,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:26:47,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:26:47,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:26:47,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:47,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:26:47,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:26:47,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:26:47,980 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:26:47,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:26:47,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:26:47,982 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_10b21d8c-6258-4be0-9066-8a3e374cd5ec/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef399329f84d2482fbc6cd637d6b986ccb5018221a1a0504f889d0bed5430f95 [2023-11-23 20:26:48,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:26:48,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:26:48,285 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:26:48,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:26:48,288 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:26:48,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-23 20:26:51,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:26:51,688 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:26:51,689 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig1.c [2023-11-23 20:26:51,698 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/data/24214ad2c/f2972c7082894f43820d0fba7e1ac06e/FLAG50fe657b8 [2023-11-23 20:26:51,724 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/data/24214ad2c/f2972c7082894f43820d0fba7e1ac06e [2023-11-23 20:26:51,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:26:51,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:26:51,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:51,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:26:51,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:26:51,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:51,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@878abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51, skipping insertion in model container [2023-11-23 20:26:51,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:51,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:26:51,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:51,942 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:26:51,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:26:51,971 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:26:51,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51 WrapperNode [2023-11-23 20:26:51,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:26:51,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:51,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:26:51,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:26:51,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:51,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,004 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-23 20:26:52,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:26:52,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:26:52,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:26:52,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:26:52,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,029 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:26:52,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:26:52,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:26:52,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:26:52,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:26:51" (1/1) ... [2023-11-23 20:26:52,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:26:52,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:26:52,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:26:52,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b21d8c-6258-4be0-9066-8a3e374cd5ec/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:26:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:26:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:26:52,205 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:26:52,207 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:26:52,307 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:26:52,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:26:52,346 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:26:52,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:52 BoogieIcfgContainer [2023-11-23 20:26:52,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:26:52,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:26:52,351 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:26:52,365 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:26:52,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:26:52" (1/1) ... [2023-11-23 20:26:52,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:26:52,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-23 20:26:52,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-23 20:26:52,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:52,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:52,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2023-11-23 20:26:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2023-11-23 20:26:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:26:52,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:52,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:52,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-23 20:26:52,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-23 20:26:53,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:26:53,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2023-11-23 20:26:53,238 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2023-11-23 20:26:53,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:26:53,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-23 20:26:53,764 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-23 20:26:53,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:26:53,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:53,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-23 20:26:53,883 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-23 20:26:53,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:26:53,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:53,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:26:54,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-23 20:26:54,004 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-23 20:26:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:54,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-23 20:26:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-23 20:26:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:26:54,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:26:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-23 20:26:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-23 20:26:54,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:26:54,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:26:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-23 20:26:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-23 20:26:54,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:26:54,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:54,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:26:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 33 states and 44 transitions. [2023-11-23 20:26:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-11-23 20:26:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:26:55,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,277 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 20:26:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2023-11-23 20:26:55,468 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-23 20:26:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:26:55,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,530 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 20:26:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-23 20:26:55,722 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-23 20:26:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:26:55,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:26:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-23 20:26:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-23 20:26:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:26:56,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:56,284 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:56,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:56,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-23 20:26:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-23 20:26:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:26:56,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:56,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:57,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-23 20:26:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-23 20:26:57,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:26:57,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:57,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:58,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2023-11-23 20:26:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2023-11-23 20:26:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:26:58,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:26:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:59,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2023-11-23 20:26:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2023-11-23 20:26:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:26:59,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:59,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:26:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 50 proven. 30 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-23 20:26:59,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:26:59,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2023-11-23 20:26:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2023-11-23 20:26:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:26:59,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:26:59,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:26:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 60 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:01,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 53 states and 75 transitions. [2023-11-23 20:27:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2023-11-23 20:27:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:27:01,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:01,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:01,428 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 78 proven. 45 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 20:27:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 78 transitions. [2023-11-23 20:27:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2023-11-23 20:27:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:27:01,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:01,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:02,195 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 83 proven. 92 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:03,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:03,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-23 20:27:03,342 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-23 20:27:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:27:03,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:03,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:03,471 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 112 proven. 63 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 20:27:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:03,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 94 transitions. [2023-11-23 20:27:03,980 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2023-11-23 20:27:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:27:03,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:03,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:04,336 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 109 proven. 137 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2023-11-23 20:27:05,736 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2023-11-23 20:27:05,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:27:05,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:05,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 152 proven. 84 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 20:27:06,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:06,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2023-11-23 20:27:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-23 20:27:06,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:27:06,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:06,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 138 proven. 191 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 80 states and 126 transitions. [2023-11-23 20:27:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-11-23 20:27:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:27:08,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 198 proven. 108 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-23 20:27:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 83 states and 129 transitions. [2023-11-23 20:27:08,974 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-11-23 20:27:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:27:08,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 170 proven. 254 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 89 states and 145 transitions. [2023-11-23 20:27:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 145 transitions. [2023-11-23 20:27:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:27:10,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:10,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 250 proven. 135 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-23 20:27:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:11,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 92 states and 148 transitions. [2023-11-23 20:27:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 148 transitions. [2023-11-23 20:27:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:27:11,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:11,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 205 proven. 326 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 98 states and 165 transitions. [2023-11-23 20:27:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 165 transitions. [2023-11-23 20:27:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:27:13,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:13,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 308 proven. 165 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-23 20:27:14,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 101 states and 168 transitions. [2023-11-23 20:27:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 168 transitions. [2023-11-23 20:27:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:27:14,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:15,165 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 243 proven. 407 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 107 states and 186 transitions. [2023-11-23 20:27:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 186 transitions. [2023-11-23 20:27:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-23 20:27:16,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:16,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:17,110 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 372 proven. 198 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-23 20:27:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 110 states and 189 transitions. [2023-11-23 20:27:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 189 transitions. [2023-11-23 20:27:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:27:17,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:18,325 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 284 proven. 497 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 116 states and 208 transitions. [2023-11-23 20:27:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 208 transitions. [2023-11-23 20:27:20,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:27:20,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:20,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 853 backedges. 442 proven. 234 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-11-23 20:27:21,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:21,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 119 states and 211 transitions. [2023-11-23 20:27:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 211 transitions. [2023-11-23 20:27:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-23 20:27:21,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:21,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 328 proven. 596 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 125 states and 231 transitions. [2023-11-23 20:27:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 231 transitions. [2023-11-23 20:27:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-23 20:27:24,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:24,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 518 proven. 273 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2023-11-23 20:27:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 128 states and 234 transitions. [2023-11-23 20:27:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 234 transitions. [2023-11-23 20:27:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:27:25,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:25,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:25,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 375 proven. 704 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2023-11-23 20:27:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2023-11-23 20:27:27,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-23 20:27:27,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 600 proven. 315 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-23 20:27:29,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:29,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 137 states and 258 transitions. [2023-11-23 20:27:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 258 transitions. [2023-11-23 20:27:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-23 20:27:29,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:29,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 425 proven. 821 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:32,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 143 states and 280 transitions. [2023-11-23 20:27:32,095 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 280 transitions. [2023-11-23 20:27:32,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-23 20:27:32,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:32,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1336 backedges. 688 proven. 360 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-23 20:27:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 283 transitions. [2023-11-23 20:27:33,361 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2023-11-23 20:27:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-23 20:27:33,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:33,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 478 proven. 947 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:27:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 152 states and 306 transitions. [2023-11-23 20:27:36,338 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 306 transitions. [2023-11-23 20:27:36,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:27:36,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:36,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1521 backedges. 782 proven. 408 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-23 20:27:37,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:27:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2023-11-23 20:27:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2023-11-23 20:27:37,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 20:27:37,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:27:37,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:27:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:27:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 534 proven. 1082 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.