./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/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 d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:46,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:46,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:46,547 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:46,552 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:46,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:46,598 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:46,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:46,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:46,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:46,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:46,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:46,607 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:46,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:46,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:46,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:46,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:46,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:46,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:46,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:46,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:46,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:46,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:46,614 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:46,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:46,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:46,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:46,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:46,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:46,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:46,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:46,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:46,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:46,620 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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e8f57de68bd156f96d4553940231369dc2e0f8c550ee7a61d6446a6f476745 [2023-11-24 22:19:46,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:46,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:46,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:46,971 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:46,972 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:46,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2023-11-24 22:19:50,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:50,285 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:50,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c [2023-11-24 22:19:50,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/data/dca09fca4/57f83454e9d642048e4dae90b068666a/FLAG82109452b [2023-11-24 22:19:50,330 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/data/dca09fca4/57f83454e9d642048e4dae90b068666a [2023-11-24 22:19:50,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:50,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:50,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:50,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:50,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a460de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50, skipping insertion in model container [2023-11-24 22:19:50,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,433 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:50,683 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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c[12672,12685] [2023-11-24 22:19:50,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,763 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:50,777 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-24 22:19:50,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415] [2023-11-24 22:19:50,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2023-11-24 22:19:50,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [530] [2023-11-24 22:19:50,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [571] [2023-11-24 22:19:50,780 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [679] [2023-11-24 22:19:50,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [714] [2023-11-24 22:19:50,781 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [782] [2023-11-24 22:19:50,850 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_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/sv-benchmarks/c/product-lines/minepump_spec2_product62.cil.c[12672,12685] [2023-11-24 22:19:50,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:50,923 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:50,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50 WrapperNode [2023-11-24 22:19:50,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:50,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:50,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:50,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,985 INFO L138 Inliner]: procedures = 59, calls = 106, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 226 [2023-11-24 22:19:50,986 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:50,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:50,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:50,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:50,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:50,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:51,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:51,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:51,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:51,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:50" (1/1) ... [2023-11-24 22:19:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:51,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:51,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:51,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5caea24a-1e9b-4f94-b4ca-d3fb7ed18861/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-24 22:19:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-24 22:19:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-24 22:19:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-24 22:19:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-24 22:19:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-24 22:19:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-24 22:19:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-24 22:19:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-24 22:19:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-24 22:19:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-24 22:19:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-24 22:19:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-24 22:19:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-24 22:19:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-24 22:19:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-24 22:19:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-24 22:19:51,119 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-24 22:19:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-24 22:19:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-24 22:19:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:51,206 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:51,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:51,544 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:51,689 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:51,689 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:19:51,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51 BoogieIcfgContainer [2023-11-24 22:19:51,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:51,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:51,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:51,702 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:51,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:51" (1/1) ... [2023-11-24 22:19:51,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2023-11-24 22:19:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-24 22:19:51,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:19:51,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:51,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:51,978 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 22:19:52,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2023-11-24 22:19:52,049 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2023-11-24 22:19:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:19:52,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,210 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 22:19:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2023-11-24 22:19:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2023-11-24 22:19:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:19:52,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,492 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 22:19:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2023-11-24 22:19:52,697 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2023-11-24 22:19:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:19:52,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:52,824 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 22:19:53,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2023-11-24 22:19:53,167 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2023-11-24 22:19:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:19:53,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,286 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 22:19:53,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 105 states and 155 transitions. [2023-11-24 22:19:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 155 transitions. [2023-11-24 22:19:53,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:19:53,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:53,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,511 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 22:19:54,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 117 states and 184 transitions. [2023-11-24 22:19:54,126 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2023-11-24 22:19:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:19:54,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 118 states and 187 transitions. [2023-11-24 22:19:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2023-11-24 22:19:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:19:54,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:54,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 121 states and 193 transitions. [2023-11-24 22:19:54,553 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 193 transitions. [2023-11-24 22:19:54,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:19:54,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,601 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:54,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 122 states and 194 transitions. [2023-11-24 22:19:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 194 transitions. [2023-11-24 22:19:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:19:54,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:54,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:54,709 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:19:55,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 128 states and 209 transitions. [2023-11-24 22:19:55,163 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 209 transitions. [2023-11-24 22:19:55,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:19:55,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,270 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 22:19:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 130 states and 214 transitions. [2023-11-24 22:19:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2023-11-24 22:19:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:19:55,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,392 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 22:19:55,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 130 states and 212 transitions. [2023-11-24 22:19:55,433 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2023-11-24 22:19:55,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:19:55,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,510 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 22:19:55,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 228 transitions. [2023-11-24 22:19:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2023-11-24 22:19:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:19:55,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,737 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:19:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 140 states and 233 transitions. [2023-11-24 22:19:55,778 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2023-11-24 22:19:55,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:19:55,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 147 states and 248 transitions. [2023-11-24 22:19:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 248 transitions. [2023-11-24 22:19:56,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:19:56,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 148 states and 249 transitions. [2023-11-24 22:19:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 249 transitions. [2023-11-24 22:19:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:19:56,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:19:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 150 states and 251 transitions. [2023-11-24 22:19:56,239 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 251 transitions. [2023-11-24 22:19:56,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:19:56,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 152 states and 255 transitions. [2023-11-24 22:19:56,445 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 255 transitions. [2023-11-24 22:19:56,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:19:56,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:19:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 153 states and 256 transitions. [2023-11-24 22:19:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2023-11-24 22:19:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:19:56,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:19:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 155 states and 260 transitions. [2023-11-24 22:19:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 260 transitions. [2023-11-24 22:19:56,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:19:56,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:56,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:56,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:19:57,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:57,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 166 states and 291 transitions. [2023-11-24 22:19:57,490 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2023-11-24 22:19:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-24 22:19:57,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:57,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 22:19:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:59,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 177 states and 322 transitions. [2023-11-24 22:19:59,343 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 322 transitions. [2023-11-24 22:19:59,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:19:59,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:59,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 22:19:59,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 178 states and 325 transitions. [2023-11-24 22:19:59,708 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 325 transitions. [2023-11-24 22:19:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:19:59,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:59,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,830 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 22:20:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:07,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 199 states and 382 transitions. [2023-11-24 22:20:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 382 transitions. [2023-11-24 22:20:07,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:20:07,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:07,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:07,419 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:20:08,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 202 states and 388 transitions. [2023-11-24 22:20:08,785 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 388 transitions. [2023-11-24 22:20:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:20:08,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:08,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-24 22:20:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 213 states and 413 transitions. [2023-11-24 22:20:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 413 transitions. [2023-11-24 22:20:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 22:20:12,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:12,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:20:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:12,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 222 states and 439 transitions. [2023-11-24 22:20:12,971 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 439 transitions. [2023-11-24 22:20:12,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:20:12,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:14,414 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:20:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:19,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 231 states and 455 transitions. [2023-11-24 22:20:19,542 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 455 transitions. [2023-11-24 22:20:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-24 22:20:19,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 22:20:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:21,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 237 states and 472 transitions. [2023-11-24 22:20:21,157 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 472 transitions. [2023-11-24 22:20:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-24 22:20:21,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:21,459 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:20:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 237 states and 470 transitions. [2023-11-24 22:20:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 470 transitions. [2023-11-24 22:20:22,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:20:22,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:22,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:23,885 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-24 22:20:27,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 257 states and 521 transitions. [2023-11-24 22:20:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 521 transitions. [2023-11-24 22:20:27,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-24 22:20:27,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:27,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:28,312 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:20:30,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 265 states and 543 transitions. [2023-11-24 22:20:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 543 transitions. [2023-11-24 22:20:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-24 22:20:30,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:30,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:31,846 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:20:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 265 states and 543 transitions. [2023-11-24 22:20:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 543 transitions. [2023-11-24 22:20:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 22:20:31,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:31,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:32,853 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:20:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 265 states and 543 transitions. [2023-11-24 22:20:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 543 transitions. [2023-11-24 22:20:32,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 22:20:32,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:32,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:33,857 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:20:33,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:33,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 265 states and 543 transitions. [2023-11-24 22:20:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 543 transitions. [2023-11-24 22:20:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-24 22:20:33,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat