./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:47,815 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:47,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:14:47,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:47,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:47,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:47,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:47,995 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:47,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:48,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:48,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:48,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:48,004 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:48,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:48,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:48,006 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:14:48,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:48,007 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:14:48,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:48,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:48,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:48,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:48,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:14:48,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:48,011 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:48,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:48,012 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:48,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:48,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:48,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:48,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:48,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:48,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:48,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:48,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:48,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:48,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:48,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:48,017 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:48,017 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45ba8c3ee5105630bc9146965d68439e6204903aca4c5a31cd4f017e456c8589 [2023-11-06 22:14:48,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:48,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:48,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:48,336 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:48,337 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:48,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2023-11-06 22:14:51,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:51,852 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:51,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c [2023-11-06 22:14:51,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/data/a21b5bce5/a436eed1fe5740c8bb89325f1d33da6a/FLAG137a2cd30 [2023-11-06 22:14:51,892 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/data/a21b5bce5/a436eed1fe5740c8bb89325f1d33da6a [2023-11-06 22:14:51,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:51,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:51,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:51,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:51,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:51,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:51" (1/1) ... [2023-11-06 22:14:51,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15527404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:51, skipping insertion in model container [2023-11-06 22:14:51,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:51" (1/1) ... [2023-11-06 22:14:51,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:52,153 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_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2023-11-06 22:14:52,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:52,354 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:52,365 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-06 22:14:52,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] [2023-11-06 22:14:52,366 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] [2023-11-06 22:14:52,367 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2023-11-06 22:14:52,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] [2023-11-06 22:14:52,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] [2023-11-06 22:14:52,373 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] [2023-11-06 22:14:52,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] [2023-11-06 22:14:52,384 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_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/sv-benchmarks/c/product-lines/minepump_spec5_product35.cil.c[1605,1618] [2023-11-06 22:14:52,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:52,477 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:52,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52 WrapperNode [2023-11-06 22:14:52,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:52,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:52,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:52,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:52,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,534 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 182 [2023-11-06 22:14:52,534 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:52,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:52,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:52,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:52,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,545 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:52,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:52,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:52,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:52,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (1/1) ... [2023-11-06 22:14:52,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:52,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:52,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:52,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:14:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:14:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:14:52,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:14:52,669 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:14:52,670 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:14:52,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:14:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:14:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:14:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-06 22:14:52,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-06 22:14:52,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:14:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:14:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:14:52,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:52,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:52,791 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:14:52,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:14:53,135 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:14:53,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:14:53,149 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:14:53,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:53 BoogieIcfgContainer [2023-11-06 22:14:53,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:14:53,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:14:53,156 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:14:53,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:14:53,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:51" (1/3) ... [2023-11-06 22:14:53,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc2ad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:53, skipping insertion in model container [2023-11-06 22:14:53,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:52" (2/3) ... [2023-11-06 22:14:53,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc2ad9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:53, skipping insertion in model container [2023-11-06 22:14:53,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:53" (3/3) ... [2023-11-06 22:14:53,163 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2023-11-06 22:14:53,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:14:53,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:14:53,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:14:53,261 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@23678d3f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:14:53,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:14:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:14:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:14:53,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:53,281 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:53,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:53,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash -569276447, now seen corresponding path program 1 times [2023-11-06 22:14:53,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:53,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768594182] [2023-11-06 22:14:53,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:53,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:14:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:14:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:53,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:53,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768594182] [2023-11-06 22:14:53,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768594182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:53,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:53,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:14:53,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450266046] [2023-11-06 22:14:53,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:53,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:14:53,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:53,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:14:53,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:14:53,644 INFO L87 Difference]: Start difference. First operand has 84 states, 66 states have (on average 1.378787878787879) internal successors, (91), 72 states have internal predecessors, (91), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:53,702 INFO L93 Difference]: Finished difference Result 159 states and 216 transitions. [2023-11-06 22:14:53,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:14:53,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-06 22:14:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:53,717 INFO L225 Difference]: With dead ends: 159 [2023-11-06 22:14:53,717 INFO L226 Difference]: Without dead ends: 75 [2023-11-06 22:14:53,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:14:53,727 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:53,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:53,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-06 22:14:53,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-06 22:14:53,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.305084745762712) internal successors, (77), 64 states have internal predecessors, (77), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 22:14:53,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2023-11-06 22:14:53,786 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 32 [2023-11-06 22:14:53,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:53,787 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2023-11-06 22:14:53,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2023-11-06 22:14:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-06 22:14:53,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:53,794 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:53,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:14:53,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:53,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:53,796 INFO L85 PathProgramCache]: Analyzing trace with hash -292889895, now seen corresponding path program 1 times [2023-11-06 22:14:53,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:53,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530550273] [2023-11-06 22:14:53,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:14:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:14:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:53,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:53,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:53,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530550273] [2023-11-06 22:14:54,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530550273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:54,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:54,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:14:54,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59325643] [2023-11-06 22:14:54,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:54,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:54,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:54,003 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:54,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:54,020 INFO L93 Difference]: Finished difference Result 111 states and 142 transitions. [2023-11-06 22:14:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:54,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-06 22:14:54,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:54,022 INFO L225 Difference]: With dead ends: 111 [2023-11-06 22:14:54,022 INFO L226 Difference]: Without dead ends: 66 [2023-11-06 22:14:54,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:54,025 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:54,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:54,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-06 22:14:54,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-06 22:14:54,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.320754716981132) internal successors, (70), 58 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 22:14:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2023-11-06 22:14:54,035 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 33 [2023-11-06 22:14:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:54,036 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2023-11-06 22:14:54,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-06 22:14:54,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:14:54,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:54,038 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:54,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:14:54,039 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:54,039 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:54,039 INFO L85 PathProgramCache]: Analyzing trace with hash 2081952552, now seen corresponding path program 1 times [2023-11-06 22:14:54,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:54,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7050990] [2023-11-06 22:14:54,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:54,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:14:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:14:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:54,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:54,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7050990] [2023-11-06 22:14:54,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7050990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:54,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58764141] [2023-11-06 22:14:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:54,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:14:54,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:54,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:14:54,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:14:54,280 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:54,545 INFO L93 Difference]: Finished difference Result 225 states and 295 transitions. [2023-11-06 22:14:54,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:14:54,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-06 22:14:54,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:54,548 INFO L225 Difference]: With dead ends: 225 [2023-11-06 22:14:54,549 INFO L226 Difference]: Without dead ends: 167 [2023-11-06 22:14:54,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:14:54,551 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 215 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:54,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 392 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:14:54,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-06 22:14:54,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 157. [2023-11-06 22:14:54,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 123 states have (on average 1.3495934959349594) internal successors, (166), 134 states have internal predecessors, (166), 19 states have call successors, (19), 14 states have call predecessors, (19), 14 states have return successors, (20), 17 states have call predecessors, (20), 19 states have call successors, (20) [2023-11-06 22:14:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 205 transitions. [2023-11-06 22:14:54,584 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 205 transitions. Word has length 37 [2023-11-06 22:14:54,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:54,584 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 205 transitions. [2023-11-06 22:14:54,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:54,585 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 205 transitions. [2023-11-06 22:14:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:14:54,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:54,587 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:54,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:14:54,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:54,588 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1830972643, now seen corresponding path program 1 times [2023-11-06 22:14:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701133369] [2023-11-06 22:14:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:14:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:14:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:14:54,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701133369] [2023-11-06 22:14:54,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701133369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:54,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:54,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:14:54,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140453039] [2023-11-06 22:14:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:54,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:14:54,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:54,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:14:54,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:14:54,861 INFO L87 Difference]: Start difference. First operand 157 states and 205 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:55,034 INFO L93 Difference]: Finished difference Result 389 states and 515 transitions. [2023-11-06 22:14:55,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:14:55,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2023-11-06 22:14:55,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:55,039 INFO L225 Difference]: With dead ends: 389 [2023-11-06 22:14:55,039 INFO L226 Difference]: Without dead ends: 240 [2023-11-06 22:14:55,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:14:55,043 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 40 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:55,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 356 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:14:55,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2023-11-06 22:14:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 235. [2023-11-06 22:14:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 181 states have (on average 1.292817679558011) internal successors, (234), 194 states have internal predecessors, (234), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2023-11-06 22:14:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 298 transitions. [2023-11-06 22:14:55,112 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 298 transitions. Word has length 41 [2023-11-06 22:14:55,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:55,113 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 298 transitions. [2023-11-06 22:14:55,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:14:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 298 transitions. [2023-11-06 22:14:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:14:55,116 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:55,117 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:55,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:14:55,117 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:55,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:55,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1378984981, now seen corresponding path program 1 times [2023-11-06 22:14:55,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:55,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481148719] [2023-11-06 22:14:55,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:55,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:14:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:14:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:55,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:55,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481148719] [2023-11-06 22:14:55,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481148719] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:55,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:55,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:14:55,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291086892] [2023-11-06 22:14:55,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:55,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:14:55,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:14:55,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:55,314 INFO L87 Difference]: Start difference. First operand 235 states and 298 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:55,392 INFO L93 Difference]: Finished difference Result 490 states and 632 transitions. [2023-11-06 22:14:55,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:14:55,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2023-11-06 22:14:55,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:55,406 INFO L225 Difference]: With dead ends: 490 [2023-11-06 22:14:55,406 INFO L226 Difference]: Without dead ends: 263 [2023-11-06 22:14:55,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:14:55,415 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 13 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:55,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 355 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:55,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-06 22:14:55,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 241. [2023-11-06 22:14:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 187 states have (on average 1.2834224598930482) internal successors, (240), 200 states have internal predecessors, (240), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2023-11-06 22:14:55,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 304 transitions. [2023-11-06 22:14:55,496 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 304 transitions. Word has length 46 [2023-11-06 22:14:55,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:55,497 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 304 transitions. [2023-11-06 22:14:55,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:55,497 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 304 transitions. [2023-11-06 22:14:55,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:14:55,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:55,506 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:55,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:14:55,506 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:55,508 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:55,508 INFO L85 PathProgramCache]: Analyzing trace with hash -209362921, now seen corresponding path program 1 times [2023-11-06 22:14:55,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:55,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064827679] [2023-11-06 22:14:55,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:55,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:14:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:14:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:55,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:55,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064827679] [2023-11-06 22:14:55,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064827679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:55,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:55,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:14:55,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194657389] [2023-11-06 22:14:55,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:55,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:14:55,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:55,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:14:55,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:14:55,634 INFO L87 Difference]: Start difference. First operand 241 states and 304 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:55,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:55,693 INFO L93 Difference]: Finished difference Result 506 states and 653 transitions. [2023-11-06 22:14:55,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:14:55,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2023-11-06 22:14:55,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:55,697 INFO L225 Difference]: With dead ends: 506 [2023-11-06 22:14:55,697 INFO L226 Difference]: Without dead ends: 273 [2023-11-06 22:14:55,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:55,703 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 16 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:55,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 267 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:55,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-06 22:14:55,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 245. [2023-11-06 22:14:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 191 states have (on average 1.2774869109947644) internal successors, (244), 204 states have internal predecessors, (244), 29 states have call successors, (29), 24 states have call predecessors, (29), 24 states have return successors, (35), 29 states have call predecessors, (35), 29 states have call successors, (35) [2023-11-06 22:14:55,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 308 transitions. [2023-11-06 22:14:55,758 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 308 transitions. Word has length 46 [2023-11-06 22:14:55,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:55,758 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 308 transitions. [2023-11-06 22:14:55,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 308 transitions. [2023-11-06 22:14:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-06 22:14:55,761 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:55,761 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:55,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:14:55,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:55,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:55,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1898306663, now seen corresponding path program 1 times [2023-11-06 22:14:55,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:55,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069838747] [2023-11-06 22:14:55,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:55,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:14:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:14:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:55,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:55,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:55,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069838747] [2023-11-06 22:14:55,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069838747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:55,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:55,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:14:55,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779341706] [2023-11-06 22:14:55,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:55,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:55,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:55,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:55,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:55,928 INFO L87 Difference]: Start difference. First operand 245 states and 308 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:55,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:55,988 INFO L93 Difference]: Finished difference Result 609 states and 775 transitions. [2023-11-06 22:14:55,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:55,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 46 [2023-11-06 22:14:55,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:55,993 INFO L225 Difference]: With dead ends: 609 [2023-11-06 22:14:55,993 INFO L226 Difference]: Without dead ends: 372 [2023-11-06 22:14:55,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:55,999 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 39 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:55,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 153 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:56,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2023-11-06 22:14:56,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2023-11-06 22:14:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.2482758620689656) internal successors, (362), 306 states have internal predecessors, (362), 46 states have call successors, (46), 38 states have call predecessors, (46), 35 states have return successors, (53), 43 states have call predecessors, (53), 46 states have call successors, (53) [2023-11-06 22:14:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 461 transitions. [2023-11-06 22:14:56,053 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 461 transitions. Word has length 46 [2023-11-06 22:14:56,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:56,054 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 461 transitions. [2023-11-06 22:14:56,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:14:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 461 transitions. [2023-11-06 22:14:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:14:56,056 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:56,056 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:56,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:14:56,057 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:56,058 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1296933517, now seen corresponding path program 1 times [2023-11-06 22:14:56,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:56,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067315757] [2023-11-06 22:14:56,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:56,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:14:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:14:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:56,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-06 22:14:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:14:56,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:56,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067315757] [2023-11-06 22:14:56,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067315757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:56,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:56,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:14:56,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501087961] [2023-11-06 22:14:56,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:56,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:14:56,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:56,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:14:56,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:14:56,343 INFO L87 Difference]: Start difference. First operand 372 states and 461 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:14:56,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:56,754 INFO L93 Difference]: Finished difference Result 1177 states and 1504 transitions. [2023-11-06 22:14:56,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:14:56,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 50 [2023-11-06 22:14:56,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:56,763 INFO L225 Difference]: With dead ends: 1177 [2023-11-06 22:14:56,764 INFO L226 Difference]: Without dead ends: 940 [2023-11-06 22:14:56,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:14:56,768 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 247 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:56,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 525 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:14:56,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2023-11-06 22:14:56,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 901. [2023-11-06 22:14:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 901 states, 707 states have (on average 1.2305516265912306) internal successors, (870), 751 states have internal predecessors, (870), 106 states have call successors, (106), 81 states have call predecessors, (106), 87 states have return successors, (132), 101 states have call predecessors, (132), 106 states have call successors, (132) [2023-11-06 22:14:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1108 transitions. [2023-11-06 22:14:56,906 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1108 transitions. Word has length 50 [2023-11-06 22:14:56,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:56,906 INFO L495 AbstractCegarLoop]: Abstraction has 901 states and 1108 transitions. [2023-11-06 22:14:56,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 22:14:56,907 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1108 transitions. [2023-11-06 22:14:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:14:56,909 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:56,910 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:56,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:14:56,910 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:56,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:56,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1580462347, now seen corresponding path program 1 times [2023-11-06 22:14:56,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:56,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237498116] [2023-11-06 22:14:56,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:56,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:14:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:14:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:14:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:14:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:14:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:14:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:14:57,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:57,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237498116] [2023-11-06 22:14:57,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237498116] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:14:57,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711706325] [2023-11-06 22:14:57,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:57,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:57,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:57,192 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:57,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:14:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:57,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:14:57,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:57,493 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:14:57,706 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:14:57,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711706325] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:14:57,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:14:57,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-06 22:14:57,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853923773] [2023-11-06 22:14:57,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:14:57,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:14:57,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:57,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:14:57,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:14:57,709 INFO L87 Difference]: Start difference. First operand 901 states and 1108 transitions. Second operand has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2023-11-06 22:14:58,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:58,889 INFO L93 Difference]: Finished difference Result 1670 states and 2118 transitions. [2023-11-06 22:14:58,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-06 22:14:58,890 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 81 [2023-11-06 22:14:58,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:58,897 INFO L225 Difference]: With dead ends: 1670 [2023-11-06 22:14:58,897 INFO L226 Difference]: Without dead ends: 898 [2023-11-06 22:14:58,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 176 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=326, Invalid=1480, Unknown=0, NotChecked=0, Total=1806 [2023-11-06 22:14:58,902 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 309 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1130 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:58,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1130 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:14:58,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2023-11-06 22:14:59,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 803. [2023-11-06 22:14:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 618 states have (on average 1.2119741100323624) internal successors, (749), 659 states have internal predecessors, (749), 100 states have call successors, (100), 84 states have call predecessors, (100), 84 states have return successors, (119), 89 states have call predecessors, (119), 100 states have call successors, (119) [2023-11-06 22:14:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 968 transitions. [2023-11-06 22:14:59,027 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 968 transitions. Word has length 81 [2023-11-06 22:14:59,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:59,028 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 968 transitions. [2023-11-06 22:14:59,028 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.733333333333333) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2023-11-06 22:14:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 968 transitions. [2023-11-06 22:14:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:14:59,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:59,033 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:14:59,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:59,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:14:59,245 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:14:59,245 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:59,245 INFO L85 PathProgramCache]: Analyzing trace with hash -158765002, now seen corresponding path program 1 times [2023-11-06 22:14:59,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:59,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070589919] [2023-11-06 22:14:59,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:14:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:14:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:14:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-06 22:14:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:14:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:14:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:14:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:14:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:14:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:14:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:14:59,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-06 22:14:59,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:59,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070589919] [2023-11-06 22:14:59,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070589919] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:14:59,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660971793] [2023-11-06 22:14:59,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:59,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:59,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:59,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:14:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:14:59,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:14:59,585 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-11-06 22:14:59,586 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:14:59,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660971793] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:59,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:14:59,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2023-11-06 22:14:59,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843164430] [2023-11-06 22:14:59,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:59,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:59,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:59,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:59,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:59,590 INFO L87 Difference]: Start difference. First operand 803 states and 968 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:14:59,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:59,657 INFO L93 Difference]: Finished difference Result 978 states and 1187 transitions. [2023-11-06 22:14:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:59,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 150 [2023-11-06 22:14:59,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:59,659 INFO L225 Difference]: With dead ends: 978 [2023-11-06 22:14:59,659 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:14:59,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:14:59,662 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 36 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:59,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 194 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:59,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:14:59,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:14:59,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:14:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:14:59,665 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2023-11-06 22:14:59,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:59,665 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:14:59,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-06 22:14:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:14:59,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:14:59,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:14:59,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:14:59,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:59,877 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:15:03,538 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2023-11-06 22:15:03,538 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2023-11-06 22:15:03,538 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 665 676) no Hoare annotation was computed. [2023-11-06 22:15:03,538 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 665 676) the Hoare annotation is: true [2023-11-06 22:15:03,539 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 665 676) no Hoare annotation was computed. [2023-11-06 22:15:03,540 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse5) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse5 .cse3 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,541 INFO L895 garLoopResultBuilder]: At program point L795-1(lines 776 800) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse8 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse9 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (and .cse1 .cse2) .cse3) (let ((.cse5 (= 2 ~waterLevel~0))) (or .cse4 .cse0 (and .cse1 .cse5) .cse6 (and .cse7 .cse5 .cse8))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse8 .cse9)) (or .cse0 .cse6 .cse3 (and .cse1 .cse9 .cse2)) (or .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,541 INFO L899 garLoopResultBuilder]: For program point L882(lines 882 886) no Hoare annotation was computed. [2023-11-06 22:15:03,541 INFO L899 garLoopResultBuilder]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2023-11-06 22:15:03,542 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2023-11-06 22:15:03,542 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2023-11-06 22:15:03,542 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 718 731) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 (= 2 ~waterLevel~0)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0 (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse4 (= ~waterLevel~0 1))) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,542 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 709 717) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0))) (let ((.cse5 (= ~pumpRunning~0 0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (not (= 0 ~systemActive~0))) (.cse0 (not .cse7)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse4 (and .cse5 .cse7 .cse8) (not (= |old(~waterLevel~0)| 1)) .cse0) (let ((.cse9 (= 2 ~waterLevel~0))) (or .cse4 .cse0 (and .cse5 .cse9 .cse10 .cse7) .cse11 (and .cse1 .cse9 .cse10))) (or .cse4 .cse10 .cse11 .cse6) (or .cse0 .cse11 .cse3 (and .cse1 .cse8 .cse2))))) [2023-11-06 22:15:03,542 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2023-11-06 22:15:03,542 INFO L899 garLoopResultBuilder]: For program point L755-1(lines 755 761) no Hoare annotation was computed. [2023-11-06 22:15:03,542 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 792) no Hoare annotation was computed. [2023-11-06 22:15:03,543 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 797) no Hoare annotation was computed. [2023-11-06 22:15:03,543 INFO L895 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse8 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6) (or .cse4 .cse0 .cse7) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse5 .cse8)) (or .cse0 .cse7 .cse3 (and .cse1 .cse8 .cse2)) (or .cse4 .cse7 .cse6))) [2023-11-06 22:15:03,543 INFO L899 garLoopResultBuilder]: For program point L937-1(line 937) no Hoare annotation was computed. [2023-11-06 22:15:03,543 INFO L895 garLoopResultBuilder]: At program point activatePump_returnLabel#1(lines 801 808) the Hoare annotation is: (let ((.cse2 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2) (or .cse3 .cse0 (and (<= 1 ~pumpRunning~0) (= 2 ~waterLevel~0)) .cse1) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,543 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:15:03,543 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 754) no Hoare annotation was computed. [2023-11-06 22:15:03,543 INFO L899 garLoopResultBuilder]: For program point L748-2(lines 744 766) no Hoare annotation was computed. [2023-11-06 22:15:03,544 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse3) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,544 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 741 767) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 2 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse4 (and .cse5 .cse1 .cse6)) (or .cse2 .cse3 (and .cse0 .cse7 .cse1) .cse8) (or .cse3 (and .cse5 .cse7 .cse1) .cse8 .cse4) (or (and .cse0 .cse1 .cse6) .cse2 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,544 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 649) no Hoare annotation was computed. [2023-11-06 22:15:03,544 INFO L895 garLoopResultBuilder]: At program point L645-2(lines 641 652) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (and .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse5) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse5 .cse3 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,544 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 873 891) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 (and .cse4 (= 2 ~waterLevel~0)) .cse1) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse0 (and .cse4 (= |timeShift_isHighWaterLevel_#res#1| 0) (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0) (= ~waterLevel~0 1))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,545 INFO L895 garLoopResultBuilder]: At program point L922(line 922) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 2 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse4 (and .cse5 .cse1 .cse6)) (or .cse2 .cse3 (and .cse0 .cse7 .cse1) .cse8) (or .cse3 (and .cse5 .cse7 .cse1) .cse8 .cse4) (or (and .cse0 .cse1 .cse6) .cse2 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,545 INFO L899 garLoopResultBuilder]: For program point L922-1(line 922) no Hoare annotation was computed. [2023-11-06 22:15:03,545 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (let ((.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 (= ~waterLevel~0 1))) (or .cse1 .cse4 .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse5) (or .cse0 .cse1 .cse4 (and .cse2 (= 2 ~waterLevel~0) .cse3)) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:15:03,545 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 917 926) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 .cse2) (not (= 0 ~systemActive~0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse3 (and .cse1 (= ~waterLevel~0 1))) (or .cse0 .cse3 (and .cse1 .cse4) .cse5) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 (and .cse6 .cse2 .cse7) .cse8) (or .cse3 .cse5 .cse8 (and .cse6 .cse4 .cse7)))) [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point L939(lines 939 949) no Hoare annotation was computed. [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 952) no Hoare annotation was computed. [2023-11-06 22:15:03,546 INFO L895 garLoopResultBuilder]: At program point L935-1(lines 927 955) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2)) (.cse4 (not .cse1)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse10 (<= 1 ~switchedOnBeforeTS~0))) (and (or (and .cse0 .cse1 .cse2) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4) (or .cse3 (and .cse5 .cse6) .cse7 .cse8) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse4 (and .cse9 .cse10) .cse11) (or .cse3 (and .cse0 .cse2) .cse8) (let ((.cse12 (= 2 ~waterLevel~0))) (or .cse3 .cse4 .cse7 (and .cse9 .cse12 .cse5 .cse6) (and .cse0 .cse12 .cse5 .cse1 .cse6))) (or .cse4 .cse7 .cse11 (and .cse9 (= ~waterLevel~0 1) .cse10))))) [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2023-11-06 22:15:03,546 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2023-11-06 22:15:03,546 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2023-11-06 22:15:03,547 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 61 90) the Hoare annotation is: true [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2023-11-06 22:15:03,547 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 158) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-11-06 22:15:03,547 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 151 158) no Hoare annotation was computed. [2023-11-06 22:15:03,548 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-11-06 22:15:03,548 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 127 137) the Hoare annotation is: true [2023-11-06 22:15:03,548 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse5 (= 0 ~systemActive~0)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 22:15:03,548 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse5 (= 0 ~systemActive~0)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 22:15:03,548 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 542 548) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:15:03,548 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 141 163) the Hoare annotation is: true [2023-11-06 22:15:03,548 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 118 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 902) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L899 garLoopResultBuilder]: For program point L896-2(lines 896 902) no Hoare annotation was computed. [2023-11-06 22:15:03,549 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 909 916) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:15:03,550 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse5 (= 0 ~systemActive~0)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 22:15:03,550 INFO L902 garLoopResultBuilder]: At program point L628(lines 567 632) the Hoare annotation is: true [2023-11-06 22:15:03,550 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-11-06 22:15:03,550 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-11-06 22:15:03,550 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:15:03,550 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 549 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:15:03,550 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2023-11-06 22:15:03,550 INFO L895 garLoopResultBuilder]: At program point deactivatePump_returnLabel#1(lines 809 816) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (not (= ~switchedOnBeforeTS~0 0)) .cse0 .cse1 .cse2 .cse3))) [2023-11-06 22:15:03,551 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 892 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2023-11-06 22:15:03,551 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: false [2023-11-06 22:15:03,551 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:15:03,551 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 619) no Hoare annotation was computed. [2023-11-06 22:15:03,551 INFO L895 garLoopResultBuilder]: At program point L613-2(lines 607 620) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse2 .cse3 .cse5 (= 0 ~systemActive~0)) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse2 .cse3 .cse4 .cse5 (<= 1 ~switchedOnBeforeTS~0)))) [2023-11-06 22:15:03,551 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 653 664) no Hoare annotation was computed. [2023-11-06 22:15:03,551 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 653 664) no Hoare annotation was computed. [2023-11-06 22:15:03,551 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 653 664) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< ~pumpRunning~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse2 (< ~switchedOnBeforeTS~0 1) .cse5) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)))) [2023-11-06 22:15:03,552 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 828 836) no Hoare annotation was computed. [2023-11-06 22:15:03,552 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 828 836) no Hoare annotation was computed. [2023-11-06 22:15:03,552 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 828 836) the Hoare annotation is: true [2023-11-06 22:15:03,554 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:03,557 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:15:03,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:15:03 BoogieIcfgContainer [2023-11-06 22:15:03,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:15:03,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:15:03,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:15:03,625 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:15:03,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:53" (3/4) ... [2023-11-06 22:15:03,628 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:15:03,636 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:15:03,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:15:03,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:15:03,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:15:03,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:15:03,637 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-06 22:15:03,652 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:15:03,652 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:15:03,653 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:15:03,653 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:15:03,654 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:15:03,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS))) [2023-11-06 22:15:03,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (tmp == 2)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (((pumpRunning == 0) && (2 == waterLevel)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) [2023-11-06 22:15:03,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || ((((!((switchedOnBeforeTS == 0)) && (pumpRunning == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) [2023-11-06 22:15:03,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((\result == 1) && (pumpRunning == 0)) && (waterLevel == 1)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (\result == 0)) && (tmp___0 == 0)) && (waterLevel == 1)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,691 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) [2023-11-06 22:15:03,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS))) [2023-11-06 22:15:03,743 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,743 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == 0) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (tmp == 2)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (((pumpRunning == 0) && (2 == waterLevel)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:15:03,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || ((((!((switchedOnBeforeTS == 0)) && (pumpRunning == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) [2023-11-06 22:15:03,745 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((\result == 1) && (pumpRunning == 0)) && (waterLevel == 1)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,745 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (\result == 0)) && (tmp___0 == 0)) && (waterLevel == 1)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,745 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:15:03,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:15:03,768 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:15:03,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:15:03,769 INFO L158 Benchmark]: Toolchain (without parser) took 11867.60ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 125.8MB in the beginning and 170.4MB in the end (delta: -44.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,769 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:03,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.24ms. Allocated memory is still 155.2MB. Free memory was 125.5MB in the beginning and 106.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.37ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,770 INFO L158 Benchmark]: Boogie Preprocessor took 30.87ms. Allocated memory is still 155.2MB. Free memory was 104.0MB in the beginning and 102.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:15:03,770 INFO L158 Benchmark]: RCFGBuilder took 585.96ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 86.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,771 INFO L158 Benchmark]: TraceAbstraction took 10469.34ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 86.0MB in the beginning and 176.7MB in the end (delta: -90.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,771 INFO L158 Benchmark]: Witness Printer took 142.59ms. Allocated memory is still 224.4MB. Free memory was 176.7MB in the beginning and 170.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:15:03,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.24ms. Allocated memory is still 155.2MB. Free memory was 125.5MB in the beginning and 106.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.37ms. Allocated memory is still 155.2MB. Free memory was 106.0MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.87ms. Allocated memory is still 155.2MB. Free memory was 104.0MB in the beginning and 102.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.96ms. Allocated memory is still 155.2MB. Free memory was 102.4MB in the beginning and 86.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10469.34ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 86.0MB in the beginning and 176.7MB in the end (delta: -90.7MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. * Witness Printer took 142.59ms. Allocated memory is still 224.4MB. Free memory was 176.7MB in the beginning and 170.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58] - GenericResultAtLocation [Line: 164]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [164] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [565] - GenericResultAtLocation [Line: 633]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [633] - GenericResultAtLocation [Line: 732]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [732] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [907] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 950 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 932 mSDsluCounter, 3622 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2610 mSDsCounter, 191 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1006 IncrementalHoareTripleChecker+Invalid, 1197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 191 mSolverCounterUnsat, 1012 mSDtfsCounter, 1006 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 480 GetRequests, 396 SyntacticMatches, 4 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=901occurred in iteration=8, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 199 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1306 PreInvPairs, 1410 NumberOfFragments, 1882 HoareAnnotationTreeSize, 1306 FomulaSimplifications, 1073 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 38 FomulaSimplificationsInter, 4404 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 861 ConstructedInterpolants, 0 QuantifiedInterpolants, 1503 SizeOfPredicates, 3 NumberOfNonLiveVariables, 755 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 430/453 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == 0) && (1 == systemActive)) && (\old(waterLevel) == waterLevel)) || !((\old(pumpRunning) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive)) && (tmp == 2)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) || ((((!((switchedOnBeforeTS == 0)) && (pumpRunning == 0)) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1))) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (1 == systemActive))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || !((\old(waterLevel) == 2))) || (((pumpRunning == 0) && (2 == waterLevel)) && (tmp == 0)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (\result == 1)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || (((\result == 1) && (pumpRunning == 0)) && (waterLevel == 1)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1)))) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((1 <= pumpRunning) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (\result == 1)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (2 == waterLevel)) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (\result == 1)) && (tmp == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS))) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || ((1 <= pumpRunning) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((\old(waterLevel) == 2)))) && ((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive)))) && (((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || (((1 <= pumpRunning) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (\result == 0)) && (tmp___0 == 0)) && (waterLevel == 1)))) && (((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:15:03,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638fb3ee-25b7-4362-9124-ccea6dd3d6d2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE