./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/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_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:14,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:14,679 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:14,686 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:14,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:14,734 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:14,735 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:14,736 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:14,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:14,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:14,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:14,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:14,746 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:14,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:14,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:14,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:14,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:14,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:14,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:14,751 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:14,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:14,752 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:14,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:14,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:14,754 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:14,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:14,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:14,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:14,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:14,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:14,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:14,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:14,758 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:14,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:14,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:14,759 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_3153304a-252d-4b8d-857a-ed52213302dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb589a592aff310a2662d7a22b89559cebd75929901bc5e2cc7816fe45d47c92 [2023-11-23 20:05:15,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:15,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:15,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:15,103 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:15,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:15,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2023-11-23 20:05:18,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:18,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:18,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength.c [2023-11-23 20:05:18,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/data/95999334f/8526da646ac14cf4b05c9d3eedfd29f8/FLAGe4ec2e60e [2023-11-23 20:05:18,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/data/95999334f/8526da646ac14cf4b05c9d3eedfd29f8 [2023-11-23 20:05:18,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:18,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:18,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:18,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:18,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:18,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d4883e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18, skipping insertion in model container [2023-11-23 20:05:18,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:18,650 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:18,659 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:18,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:18,684 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:18,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18 WrapperNode [2023-11-23 20:05:18,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:18,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:18,686 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:18,686 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:18,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,721 INFO L138 Inliner]: procedures = 8, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-23 20:05:18,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:18,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:18,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:18,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:18,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:18,753 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:18,753 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:18,753 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:18,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:18" (1/1) ... [2023-11-23 20:05:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:18,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:18,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:18,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3153304a-252d-4b8d-857a-ed52213302dc/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:05:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:18,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:05:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:05:18,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:05:18,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:18,931 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:19,146 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:19,196 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:19,197 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 20:05:19,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:19 BoogieIcfgContainer [2023-11-23 20:05:19,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:19,200 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:19,200 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:19,210 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:19,211 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:19" (1/1) ... [2023-11-23 20:05:19,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2023-11-23 20:05:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2023-11-23 20:05:19,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:19,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,626 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 20:05:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-23 20:05:19,749 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-23 20:05:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:19,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,910 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 20:05:20,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-23 20:05:20,011 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-23 20:05:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:05:20,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,084 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 20:05:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-23 20:05:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-23 20:05:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:20,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2023-11-23 20:05:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2023-11-23 20:05:20,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:05:20,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,586 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 20:05:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2023-11-23 20:05:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2023-11-23 20:05:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:20,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:21,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2023-11-23 20:05:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2023-11-23 20:05:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:05:21,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2023-11-23 20:05:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2023-11-23 20:05:21,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:21,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2023-11-23 20:05:21,587 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-11-23 20:05:21,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:05:21,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2023-11-23 20:05:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2023-11-23 20:05:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:05:21,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:22,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2023-11-23 20:05:22,495 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2023-11-23 20:05:22,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:05:22,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2023-11-23 20:05:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2023-11-23 20:05:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:05:23,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,733 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2023-11-23 20:05:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2023-11-23 20:05:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:23,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,942 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:05:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2023-11-23 20:05:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2023-11-23 20:05:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:05:24,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,066 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:05:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2023-11-23 20:05:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2023-11-23 20:05:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:05:24,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:05:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 81 transitions. [2023-11-23 20:05:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 81 transitions. [2023-11-23 20:05:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:24,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,605 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2023-11-23 20:05:25,066 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2023-11-23 20:05:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:05:25,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,214 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:05:25,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2023-11-23 20:05:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2023-11-23 20:05:25,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:25,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,842 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:05:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2023-11-23 20:05:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2023-11-23 20:05:27,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:05:27,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:27,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 101 transitions. [2023-11-23 20:05:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 101 transitions. [2023-11-23 20:05:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:05:28,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:05:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2023-11-23 20:05:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2023-11-23 20:05:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:05:28,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 36 proven. 9 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:05:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:29,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 68 states and 109 transitions. [2023-11-23 20:05:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 109 transitions. [2023-11-23 20:05:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:05:29,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 46 proven. 11 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-23 20:05:31,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 70 states and 110 transitions. [2023-11-23 20:05:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 110 transitions. [2023-11-23 20:05:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:05:31,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 20:05:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 127 transitions. [2023-11-23 20:05:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 127 transitions. [2023-11-23 20:05:34,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:34,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,421 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-23 20:05:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 83 states and 128 transitions. [2023-11-23 20:05:34,683 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-11-23 20:05:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:05:34,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 88 proven. 18 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 20:05:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 86 states and 136 transitions. [2023-11-23 20:05:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 136 transitions. [2023-11-23 20:05:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:05:35,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:35,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 102 proven. 4 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-23 20:05:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 88 states and 137 transitions. [2023-11-23 20:05:36,219 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2023-11-23 20:05:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:05:36,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 110 proven. 30 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 20:05:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:37,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2023-11-23 20:05:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2023-11-23 20:05:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:05:37,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:37,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:37,990 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-23 20:05:41,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:41,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 106 states and 166 transitions. [2023-11-23 20:05:41,735 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 166 transitions. [2023-11-23 20:05:41,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:05:41,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:41,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-11-23 20:05:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 107 states and 167 transitions. [2023-11-23 20:05:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 167 transitions. [2023-11-23 20:05:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:05:42,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 195 proven. 5 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-23 20:05:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 109 states and 168 transitions. [2023-11-23 20:05:43,542 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 168 transitions. [2023-11-23 20:05:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:05:43,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 210 proven. 45 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2023-11-23 20:05:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 112 states and 177 transitions. [2023-11-23 20:05:44,879 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 177 transitions. [2023-11-23 20:05:44,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:05:44,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:45,695 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-23 20:05:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 130 states and 201 transitions. [2023-11-23 20:05:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2023-11-23 20:05:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-23 20:05:51,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 244 proven. 95 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2023-11-23 20:05:54,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 132 states and 203 transitions. [2023-11-23 20:05:54,727 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 203 transitions. [2023-11-23 20:05:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:05:54,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:54,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 333 proven. 6 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2023-11-23 20:05:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 134 states and 204 transitions. [2023-11-23 20:05:55,466 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2023-11-23 20:05:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 20:05:55,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:56,465 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 394 proven. 284 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2023-11-23 20:06:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:03,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 155 states and 230 transitions. [2023-11-23 20:06:03,868 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 230 transitions. [2023-11-23 20:06:03,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-23 20:06:03,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:03,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 871 backedges. 0 proven. 742 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-23 20:06:05,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 156 states and 231 transitions. [2023-11-23 20:06:05,543 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2023-11-23 20:06:05,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-23 20:06:05,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:05,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1421 backedges. 490 proven. 63 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked.