./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/eureka_05.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/eureka_05.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi --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 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:11,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:11,648 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:11,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:11,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:11,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:11,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:11,716 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:11,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:11,725 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:11,726 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:11,727 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:11,727 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:11,728 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:11,728 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:11,729 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:11,729 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:11,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:11,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:11,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:11,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:11,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:11,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:11,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:11,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:11,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:11,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:11,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:11,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:11,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:11,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:11,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:11,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:11,736 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_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f12ca1e314a03dfb1c8beadd0c1a180c2d2339dd5f3109d5999df06d52395ab [2023-11-24 23:09:11,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:12,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:12,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:12,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:12,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:12,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loops/eureka_05.i [2023-11-24 23:09:15,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:15,465 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:15,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/sv-benchmarks/c/loops/eureka_05.i [2023-11-24 23:09:15,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/data/e89d0b9a6/209f6465ff0b43eab9c2c976c50a77bf/FLAG9db80cd90 [2023-11-24 23:09:15,491 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/data/e89d0b9a6/209f6465ff0b43eab9c2c976c50a77bf [2023-11-24 23:09:15,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:15,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:15,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:15,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:15,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:15,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d42d661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15, skipping insertion in model container [2023-11-24 23:09:15,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:15,710 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_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/sv-benchmarks/c/loops/eureka_05.i[810,823] [2023-11-24 23:09:15,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:15,773 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:15,793 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_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/sv-benchmarks/c/loops/eureka_05.i[810,823] [2023-11-24 23:09:15,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:15,836 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:15,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15 WrapperNode [2023-11-24 23:09:15,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:15,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:15,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:15,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:15,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,901 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2023-11-24 23:09:15,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:15,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:15,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:15,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:15,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,926 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:15,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:15,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:15,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:15,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:15,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:16,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d112f4-e309-4ec4-b2f1-fee460f0eea8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:16,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:16,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:16,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:16,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:16,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:16,151 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:16,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:16,398 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:16,460 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:16,460 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:09:16,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:16 BoogieIcfgContainer [2023-11-24 23:09:16,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:16,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:16,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:16,475 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:16,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:16" (1/1) ... [2023-11-24 23:09:16,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:16,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2023-11-24 23:09:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2023-11-24 23:09:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:16,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:16,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-24 23:09:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-24 23:09:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:16,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:16,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 23:09:16,998 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 23:09:16,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:16,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,129 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:09:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2023-11-24 23:09:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2023-11-24 23:09:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:17,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:09:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-24 23:09:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-24 23:09:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:09:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:09:17,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-11-24 23:09:17,926 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-11-24 23:09:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:17,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:09:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:18,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2023-11-24 23:09:18,271 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2023-11-24 23:09:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:18,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:18,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 23:09:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:18,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-24 23:09:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-24 23:09:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:09:18,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:09:19,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-24 23:09:19,571 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-24 23:09:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:09:19,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:09:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-24 23:09:19,925 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-24 23:09:19,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:09:19,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:09:20,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-24 23:09:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-24 23:09:20,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:20,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:20,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:09:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:20,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:09:20,786 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:09:20,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:20,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:20,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 23:09:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:21,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2023-11-24 23:09:21,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-24 23:09:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:21,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:21,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:21,983 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-11-24 23:09:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:22,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 31 states and 42 transitions. [2023-11-24 23:09:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-11-24 23:09:22,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:22,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:22,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:09:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 34 states and 45 transitions. [2023-11-24 23:09:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-24 23:09:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:23,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:23,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 23:09:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:24,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2023-11-24 23:09:24,274 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-24 23:09:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:09:24,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:24,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:09:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-24 23:09:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-24 23:09:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:09:25,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-24 23:09:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2023-11-24 23:09:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2023-11-24 23:09:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:09:25,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:25,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:25,804 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:09:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2023-11-24 23:09:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-24 23:09:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:26,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:26,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:26,350 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:09:26,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2023-11-24 23:09:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-24 23:09:26,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:26,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:26,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 23:09:27,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-24 23:09:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-24 23:09:27,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:27,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:27,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-24 23:09:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 82 transitions. [2023-11-24 23:09:41,867 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:09:41,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:09:41,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2023-11-24 23:09:45,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:45,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2023-11-24 23:09:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-11-24 23:09:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:09:45,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:45,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.