./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/running_example.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/running_example.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:56,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:56,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:06:56,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:56,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:56,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:56,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:56,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:56,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:56,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:56,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:56,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:56,720 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:56,721 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:56,721 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:56,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:56,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:56,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:56,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:56,725 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:56,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:56,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:56,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:56,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:56,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:56,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:56,739 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:56,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:56,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:56,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:56,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:56,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:56,743 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_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318c7aa22aeecc0174739978e9fb15d261281003454726c8705d95a97106063f [2023-11-12 00:06:57,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:57,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:57,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:57,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:57,189 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:57,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/heap-data/running_example.i [2023-11-12 00:07:00,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:00,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:00,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/sv-benchmarks/c/heap-data/running_example.i [2023-11-12 00:07:00,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/data/b82ec057f/ba22e20b2fa740e396886913345437a0/FLAG36d53351e [2023-11-12 00:07:00,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/data/b82ec057f/ba22e20b2fa740e396886913345437a0 [2023-11-12 00:07:01,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:01,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:01,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:01,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:01,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:01,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d220294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01, skipping insertion in model container [2023-11-12 00:07:01,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:01,352 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2023-11-12 00:07:01,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:01,369 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:01,409 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/sv-benchmarks/c/heap-data/running_example.i[23610,23623] [2023-11-12 00:07:01,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:01,442 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:01,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01 WrapperNode [2023-11-12 00:07:01,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:01,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:01,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:01,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:01,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,486 INFO L138 Inliner]: procedures = 121, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2023-11-12 00:07:01,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:01,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:01,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:01,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:01,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:01,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:01,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:01,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:01,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:01" (1/1) ... [2023-11-12 00:07:01,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:01,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:01,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:01,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c762d0-b9fa-496b-bbc1-32355bf9dd76/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:07:01,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:07:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:07:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:07:01,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:07:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:07:01,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:07:01,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:01,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:01,747 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:01,750 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:01,958 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:02,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:02,010 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:07:02,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:02 BoogieIcfgContainer [2023-11-12 00:07:02,013 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:02,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:02,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:02,025 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:02,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:02" (1/1) ... [2023-11-12 00:07:02,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:02,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:02,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2023-11-12 00:07:02,091 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2023-11-12 00:07:02,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:07:02,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:02,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:02,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:02,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-12 00:07:02,300 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-12 00:07:02,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:02,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:02,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:02,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2023-11-12 00:07:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2023-11-12 00:07:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:07:02,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:03,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2023-11-12 00:07:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2023-11-12 00:07:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:07:03,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:03,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:05,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:05,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2023-11-12 00:07:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2023-11-12 00:07:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:07:05,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:05,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:05,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:05,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2023-11-12 00:07:05,313 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2023-11-12 00:07:05,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:07:05,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:05,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 35 states and 73 transitions. [2023-11-12 00:07:06,295 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 73 transitions. [2023-11-12 00:07:06,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:07:06,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:06,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:08,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 41 states and 90 transitions. [2023-11-12 00:07:08,218 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 90 transitions. [2023-11-12 00:07:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:07:08,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:08,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:08,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 42 states and 92 transitions. [2023-11-12 00:07:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 92 transitions. [2023-11-12 00:07:08,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:07:08,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:08,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 92 transitions. [2023-11-12 00:07:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 92 transitions. [2023-11-12 00:07:09,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:07:09,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:09,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2023-11-12 00:07:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2023-11-12 00:07:09,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:07:09,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:09,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2023-11-12 00:07:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2023-11-12 00:07:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:07:10,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:10,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 131 transitions. [2023-11-12 00:07:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 131 transitions. [2023-11-12 00:07:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:07:14,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:14,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:18,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 147 transitions. [2023-11-12 00:07:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 147 transitions. [2023-11-12 00:07:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:07:18,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:18,786 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2023-11-12 00:07:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2023-11-12 00:07:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:07:19,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:19,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 67 states and 167 transitions. [2023-11-12 00:07:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 167 transitions. [2023-11-12 00:07:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:20,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:22,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:22,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 70 states and 176 transitions. [2023-11-12 00:07:22,793 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 176 transitions. [2023-11-12 00:07:22,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:22,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-12 00:07:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 71 states and 176 transitions. [2023-11-12 00:07:23,219 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 176 transitions. [2023-11-12 00:07:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:23,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 76 states and 194 transitions. [2023-11-12 00:07:26,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 194 transitions. [2023-11-12 00:07:26,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:26,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:26,412 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:26,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:26,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 77 states and 197 transitions. [2023-11-12 00:07:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 197 transitions. [2023-11-12 00:07:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:26,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:26,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 87 states and 231 transitions. [2023-11-12 00:07:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 231 transitions. [2023-11-12 00:07:34,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:34,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:34,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:36,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 88 states and 236 transitions. [2023-11-12 00:07:36,598 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 236 transitions. [2023-11-12 00:07:36,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:07:36,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:36,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:07:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 89 states and 244 transitions. [2023-11-12 00:07:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 244 transitions. [2023-11-12 00:07:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:07:39,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:39,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 96 states and 264 transitions. [2023-11-12 00:07:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 264 transitions. [2023-11-12 00:07:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:07:44,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:44,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.