./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d8d5749cb33f10edd647435755bf2e2192f6038b258c1bda289ea3f61ba8ee50 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:07:13,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:07:13,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:07:13,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:07:13,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:07:13,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:07:13,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:07:13,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:07:13,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:07:13,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:07:13,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:07:13,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:07:13,624 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:07:13,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:07:13,624 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:07:13,625 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:07:13,625 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:07:13,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:07:13,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:07:13,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:07:13,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:07:13,627 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> 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 -> d8d5749cb33f10edd647435755bf2e2192f6038b258c1bda289ea3f61ba8ee50 [2024-12-02 15:07:13,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:07:13,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:07:13,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:07:13,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:07:13,868 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:07:13,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2024-12-02 15:07:16,550 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/data/e162b2559/72ded600bf954c8fb314af4ca0f7da2a/FLAG2209d2f3e [2024-12-02 15:07:16,758 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:07:16,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c [2024-12-02 15:07:16,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/data/e162b2559/72ded600bf954c8fb314af4ca0f7da2a/FLAG2209d2f3e [2024-12-02 15:07:16,785 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/data/e162b2559/72ded600bf954c8fb314af4ca0f7da2a [2024-12-02 15:07:16,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:07:16,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:07:16,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:07:16,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:07:16,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:07:16,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:16" (1/1) ... [2024-12-02 15:07:16,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f5bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:16, skipping insertion in model container [2024-12-02 15:07:16,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:07:16" (1/1) ... [2024-12-02 15:07:16,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:07:16,973 WARN L250 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_b820f221-5680-4d73-a003-96f635cabe40/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[3064,3077] [2024-12-02 15:07:17,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:07:17,057 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:07:17,065 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-12-02 15:07:17,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] [2024-12-02 15:07:17,066 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] [2024-12-02 15:07:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [186] [2024-12-02 15:07:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [256] [2024-12-02 15:07:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [426] [2024-12-02 15:07:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [464] [2024-12-02 15:07:17,067 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [560] [2024-12-02 15:07:17,074 WARN L250 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_b820f221-5680-4d73-a003-96f635cabe40/sv-benchmarks/c/product-lines/minepump_spec1_product35.cil.c[3064,3077] [2024-12-02 15:07:17,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:07:17,131 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:07:17,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17 WrapperNode [2024-12-02 15:07:17,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:07:17,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:07:17,133 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:07:17,133 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:07:17,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,166 INFO L138 Inliner]: procedures = 53, calls = 95, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 170 [2024-12-02 15:07:17,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:07:17,167 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:07:17,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:07:17,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:07:17,175 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,177 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,188 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 15:07:17,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,198 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,200 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:07:17,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:07:17,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:07:17,201 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:07:17,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (1/1) ... [2024-12-02 15:07:17,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:07:17,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:07:17,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:07:17,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 15:07:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 15:07:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 15:07:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-12-02 15:07:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-12-02 15:07:17,250 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 15:07:17,250 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 15:07:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:07:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 15:07:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 15:07:17,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:07:17,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:07:17,312 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:07:17,314 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:07:17,516 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-02 15:07:17,516 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:07:17,525 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:07:17,526 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 15:07:17,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:17 BoogieIcfgContainer [2024-12-02 15:07:17,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:07:17,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:07:17,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:07:17,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:07:17,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:07:16" (1/3) ... [2024-12-02 15:07:17,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1096358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:07:17, skipping insertion in model container [2024-12-02 15:07:17,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:07:17" (2/3) ... [2024-12-02 15:07:17,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1096358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:07:17, skipping insertion in model container [2024-12-02 15:07:17,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:17" (3/3) ... [2024-12-02 15:07:17,535 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2024-12-02 15:07:17,549 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:07:17,550 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product35.cil.c that has 7 procedures, 76 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 15:07:17,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:07:17,609 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@57017dd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:07:17,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:07:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:07:17,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 15:07:17,619 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:17,619 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:07:17,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:17,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:17,624 INFO L85 PathProgramCache]: Analyzing trace with hash 151172477, now seen corresponding path program 1 times [2024-12-02 15:07:17,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:17,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007678058] [2024-12-02 15:07:17,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:17,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:17,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:17,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007678058] [2024-12-02 15:07:17,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007678058] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:17,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:17,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:07:17,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074656803] [2024-12-02 15:07:17,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:17,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:07:17,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:17,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:07:17,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:07:17,789 INFO L87 Difference]: Start difference. First operand has 76 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 65 states have internal predecessors, (83), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:17,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:17,814 INFO L93 Difference]: Finished difference Result 144 states and 197 transitions. [2024-12-02 15:07:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:07:17,816 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 15:07:17,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:17,823 INFO L225 Difference]: With dead ends: 144 [2024-12-02 15:07:17,823 INFO L226 Difference]: Without dead ends: 67 [2024-12-02 15:07:17,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:07:17,828 INFO L435 NwaCegarLoop]: 95 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, 95 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 [2024-12-02 15:07:17,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-12-02 15:07:17,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-12-02 15:07:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 57 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-02 15:07:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2024-12-02 15:07:17,858 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 23 [2024-12-02 15:07:17,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:17,859 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2024-12-02 15:07:17,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2024-12-02 15:07:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 15:07:17,860 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:17,860 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:07:17,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:07:17,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:17,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:17,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1382934711, now seen corresponding path program 1 times [2024-12-02 15:07:17,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:17,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451101478] [2024-12-02 15:07:17,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:17,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:17,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:17,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451101478] [2024-12-02 15:07:17,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451101478] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:17,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:17,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:07:17,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136392901] [2024-12-02 15:07:17,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:17,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:07:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:17,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:07:17,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:17,952 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:17,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:17,964 INFO L93 Difference]: Finished difference Result 98 states and 125 transitions. [2024-12-02 15:07:17,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:07:17,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-12-02 15:07:17,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:17,965 INFO L225 Difference]: With dead ends: 98 [2024-12-02 15:07:17,966 INFO L226 Difference]: Without dead ends: 59 [2024-12-02 15:07:17,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:17,966 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 17 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 128 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 [2024-12-02 15:07:17,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-12-02 15:07:17,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-12-02 15:07:17,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-12-02 15:07:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2024-12-02 15:07:17,973 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 23 [2024-12-02 15:07:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:17,973 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2024-12-02 15:07:17,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2024-12-02 15:07:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 15:07:17,974 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:17,974 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:17,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:07:17,975 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:17,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:17,975 INFO L85 PathProgramCache]: Analyzing trace with hash 888594405, now seen corresponding path program 1 times [2024-12-02 15:07:17,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:17,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511095165] [2024-12-02 15:07:17,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:17,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511095165] [2024-12-02 15:07:18,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511095165] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:07:18,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273137328] [2024-12-02 15:07:18,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:07:18,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:07:18,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,059 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,083 INFO L93 Difference]: Finished difference Result 162 states and 211 transitions. [2024-12-02 15:07:18,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:07:18,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-12-02 15:07:18,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,085 INFO L225 Difference]: With dead ends: 162 [2024-12-02 15:07:18,085 INFO L226 Difference]: Without dead ends: 110 [2024-12-02 15:07:18,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,086 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 56 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-12-02 15:07:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 105. [2024-12-02 15:07:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 91 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-12-02 15:07:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 136 transitions. [2024-12-02 15:07:18,101 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 136 transitions. Word has length 27 [2024-12-02 15:07:18,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,102 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 136 transitions. [2024-12-02 15:07:18,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,102 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 136 transitions. [2024-12-02 15:07:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-02 15:07:18,103 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,103 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:07:18,103 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash 528234760, now seen corresponding path program 1 times [2024-12-02 15:07:18,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510486509] [2024-12-02 15:07:18,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510486509] [2024-12-02 15:07:18,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510486509] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:07:18,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199298832] [2024-12-02 15:07:18,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:07:18,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:07:18,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,178 INFO L87 Difference]: Start difference. First operand 105 states and 136 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:07:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,221 INFO L93 Difference]: Finished difference Result 276 states and 365 transitions. [2024-12-02 15:07:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:07:18,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-12-02 15:07:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,223 INFO L225 Difference]: With dead ends: 276 [2024-12-02 15:07:18,223 INFO L226 Difference]: Without dead ends: 178 [2024-12-02 15:07:18,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,225 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 49 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 119 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-12-02 15:07:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2024-12-02 15:07:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 135 states have (on average 1.348148148148148) internal successors, (182), 146 states have internal predecessors, (182), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-12-02 15:07:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 226 transitions. [2024-12-02 15:07:18,248 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 226 transitions. Word has length 32 [2024-12-02 15:07:18,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,248 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 226 transitions. [2024-12-02 15:07:18,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-12-02 15:07:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 226 transitions. [2024-12-02 15:07:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 15:07:18,250 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,250 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:07:18,250 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,250 INFO L85 PathProgramCache]: Analyzing trace with hash 658645786, now seen corresponding path program 1 times [2024-12-02 15:07:18,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304031259] [2024-12-02 15:07:18,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304031259] [2024-12-02 15:07:18,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304031259] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:07:18,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884617318] [2024-12-02 15:07:18,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:07:18,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:07:18,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:07:18,348 INFO L87 Difference]: Start difference. First operand 176 states and 226 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,416 INFO L93 Difference]: Finished difference Result 178 states and 227 transitions. [2024-12-02 15:07:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:07:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-12-02 15:07:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,418 INFO L225 Difference]: With dead ends: 178 [2024-12-02 15:07:18,418 INFO L226 Difference]: Without dead ends: 176 [2024-12-02 15:07:18,418 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:07:18,419 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 40 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 254 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-12-02 15:07:18,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-12-02 15:07:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 135 states have (on average 1.3333333333333333) internal successors, (180), 146 states have internal predecessors, (180), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-12-02 15:07:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 224 transitions. [2024-12-02 15:07:18,438 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 224 transitions. Word has length 31 [2024-12-02 15:07:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,439 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 224 transitions. [2024-12-02 15:07:18,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2024-12-02 15:07:18,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-02 15:07:18,440 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,440 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:07:18,440 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2057553037, now seen corresponding path program 1 times [2024-12-02 15:07:18,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535307707] [2024-12-02 15:07:18,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535307707] [2024-12-02 15:07:18,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535307707] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:07:18,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785383633] [2024-12-02 15:07:18,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:07:18,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:07:18,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:07:18,526 INFO L87 Difference]: Start difference. First operand 176 states and 224 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,558 INFO L93 Difference]: Finished difference Result 351 states and 453 transitions. [2024-12-02 15:07:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:07:18,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-12-02 15:07:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,560 INFO L225 Difference]: With dead ends: 351 [2024-12-02 15:07:18,560 INFO L226 Difference]: Without dead ends: 182 [2024-12-02 15:07:18,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:07:18,562 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-12-02 15:07:18,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-12-02 15:07:18,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 141 states have (on average 1.3191489361702127) internal successors, (186), 152 states have internal predecessors, (186), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-12-02 15:07:18,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-12-02 15:07:18,578 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 36 [2024-12-02 15:07:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,579 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-12-02 15:07:18,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-12-02 15:07:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-02 15:07:18,580 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,580 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:07:18,580 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1216345905, now seen corresponding path program 1 times [2024-12-02 15:07:18,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361471110] [2024-12-02 15:07:18,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361471110] [2024-12-02 15:07:18,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361471110] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:07:18,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630939021] [2024-12-02 15:07:18,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:07:18,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,651 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:07:18,651 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:07:18,652 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,702 INFO L93 Difference]: Finished difference Result 367 states and 473 transitions. [2024-12-02 15:07:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:07:18,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-12-02 15:07:18,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,704 INFO L225 Difference]: With dead ends: 367 [2024-12-02 15:07:18,704 INFO L226 Difference]: Without dead ends: 192 [2024-12-02 15:07:18,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:07:18,706 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 58 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 312 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-12-02 15:07:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 186. [2024-12-02 15:07:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 156 states have internal predecessors, (190), 20 states have call successors, (20), 20 states have call predecessors, (20), 20 states have return successors, (24), 20 states have call predecessors, (24), 20 states have call successors, (24) [2024-12-02 15:07:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 234 transitions. [2024-12-02 15:07:18,721 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 234 transitions. Word has length 36 [2024-12-02 15:07:18,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,721 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 234 transitions. [2024-12-02 15:07:18,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2024-12-02 15:07:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-02 15:07:18,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,722 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:07:18,722 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,723 INFO L85 PathProgramCache]: Analyzing trace with hash -777798801, now seen corresponding path program 1 times [2024-12-02 15:07:18,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822730173] [2024-12-02 15:07:18,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822730173] [2024-12-02 15:07:18,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822730173] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:07:18,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917321867] [2024-12-02 15:07:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:07:18,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:07:18,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,780 INFO L87 Difference]: Start difference. First operand 186 states and 234 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:18,810 INFO L93 Difference]: Finished difference Result 448 states and 569 transitions. [2024-12-02 15:07:18,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:07:18,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-12-02 15:07:18,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:18,813 INFO L225 Difference]: With dead ends: 448 [2024-12-02 15:07:18,813 INFO L226 Difference]: Without dead ends: 269 [2024-12-02 15:07:18,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:07:18,814 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 38 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:18,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 135 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:07:18,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-12-02 15:07:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2024-12-02 15:07:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 210 states have (on average 1.276190476190476) internal successors, (268), 223 states have internal predecessors, (268), 30 states have call successors, (30), 30 states have call predecessors, (30), 28 states have return successors, (34), 28 states have call predecessors, (34), 30 states have call successors, (34) [2024-12-02 15:07:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 332 transitions. [2024-12-02 15:07:18,834 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 332 transitions. Word has length 36 [2024-12-02 15:07:18,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:18,834 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 332 transitions. [2024-12-02 15:07:18,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:07:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 332 transitions. [2024-12-02 15:07:18,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-02 15:07:18,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:18,835 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:18,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:07:18,835 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:18,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:18,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1583642743, now seen corresponding path program 1 times [2024-12-02 15:07:18,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:18,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405082364] [2024-12-02 15:07:18,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:18,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:07:18,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:07:18,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:07:18,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405082364] [2024-12-02 15:07:18,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405082364] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:07:18,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:07:18,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:07:18,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515585397] [2024-12-02 15:07:18,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:07:18,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:07:18,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:07:18,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:07:18,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:07:18,933 INFO L87 Difference]: Start difference. First operand 269 states and 332 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-12-02 15:07:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:07:19,057 INFO L93 Difference]: Finished difference Result 779 states and 989 transitions. [2024-12-02 15:07:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:07:19,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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 40 [2024-12-02 15:07:19,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:07:19,062 INFO L225 Difference]: With dead ends: 779 [2024-12-02 15:07:19,062 INFO L226 Difference]: Without dead ends: 517 [2024-12-02 15:07:19,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:07:19,064 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 40 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:07:19,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 332 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:07:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-12-02 15:07:19,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2024-12-02 15:07:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 400 states have (on average 1.255) internal successors, (502), 425 states have internal predecessors, (502), 60 states have call successors, (60), 60 states have call predecessors, (60), 56 states have return successors, (74), 56 states have call predecessors, (74), 60 states have call successors, (74) [2024-12-02 15:07:19,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 636 transitions. [2024-12-02 15:07:19,108 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 636 transitions. Word has length 40 [2024-12-02 15:07:19,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:07:19,108 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 636 transitions. [2024-12-02 15:07:19,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-12-02 15:07:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 636 transitions. [2024-12-02 15:07:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-02 15:07:19,110 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:07:19,110 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 15:07:19,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:07:19,110 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:07:19,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:07:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1775569093, now seen corresponding path program 1 times [2024-12-02 15:07:19,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:07:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366764562] [2024-12-02 15:07:19,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:07:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:07:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:07:19,126 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:07:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:07:19,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:07:19,154 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:07:19,155 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:07:19,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:07:19,159 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:07:19,192 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:07:19,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:07:19 BoogieIcfgContainer [2024-12-02 15:07:19,194 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:07:19,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:07:19,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:07:19,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:07:19,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:07:17" (3/4) ... [2024-12-02 15:07:19,196 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 15:07:19,245 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 39. [2024-12-02 15:07:19,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:07:19,304 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:07:19,304 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:07:19,305 INFO L158 Benchmark]: Toolchain (without parser) took 2516.45ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 75.5MB in the end (delta: 41.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-12-02 15:07:19,305 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:07:19,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.09ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 99.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:07:19,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:07:19,306 INFO L158 Benchmark]: Boogie Preprocessor took 32.94ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:07:19,306 INFO L158 Benchmark]: RCFGBuilder took 325.73ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 79.8MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:07:19,306 INFO L158 Benchmark]: TraceAbstraction took 1666.34ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 83.0MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:07:19,307 INFO L158 Benchmark]: Witness Printer took 109.27ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 75.5MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:07:19,308 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 142.6MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.09ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 99.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.94ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 325.73ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 79.8MB in the end (delta: 15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1666.34ms. Allocated memory is still 142.6MB. Free memory was 79.2MB in the beginning and 83.0MB in the end (delta: -3.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 109.27ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 75.5MB in the end (delta: 7.5MB). There was no memory consumed. 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [150] - GenericResultAtLocation [Line: 159]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [159] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [186] - GenericResultAtLocation [Line: 256]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [256] - GenericResultAtLocation [Line: 426]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [426] - GenericResultAtLocation [Line: 464]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [464] - GenericResultAtLocation [Line: 560]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [560] * 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 - CounterExampleResult [Line: 155]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L260] int pumpRunning = 0; [L261] int systemActive = 1; [L465] int cleanupTimeShifts = 4; [L730] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] int retValue_acc ; [L539] int tmp ; [L543] FCALL select_helpers() [L544] FCALL select_features() [L545] CALL, EXPR valid_product() [L456] int retValue_acc ; [L459] retValue_acc = 1 [L460] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L545] RET, EXPR valid_product() [L545] tmp = valid_product() [L547] COND TRUE \read(tmp) [L549] FCALL setup() [L550] CALL runTest() [L532] CALL test() [L191] int splverifierCounter ; [L192] int tmp ; [L193] int tmp___0 ; [L194] int tmp___1 ; [L195] int tmp___2 ; [L198] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L202] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L208] tmp = __VERIFIER_nondet_int() [L210] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L212] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L75] COND TRUE waterLevel < 2 [L76] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L218] tmp___0 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L222] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L87] COND FALSE !(\read(methaneLevelCritical)) [L90] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L222] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L228] tmp___2 = __VERIFIER_nondet_int() [L230] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L245] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L267] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L274] COND TRUE \read(systemActive) [L276] CALL processEnvironment() [L296] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L299] COND TRUE ! pumpRunning [L301] CALL, EXPR isHighWaterLevel() [L393] int retValue_acc ; [L394] int tmp ; [L395] int tmp___0 ; [L399] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L140] COND FALSE !(waterLevel < 2) [L144] retValue_acc = 0 [L145] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L399] RET, EXPR isHighWaterSensorDry() [L399] tmp = isHighWaterSensorDry() [L401] COND FALSE !(\read(tmp)) [L404] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L406] retValue_acc = tmp___0 [L407] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L301] RET, EXPR isHighWaterLevel() [L301] tmp = isHighWaterLevel() [L303] COND TRUE \read(tmp) [L305] CALL activatePump() [L324] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L305] RET activatePump() [L276] RET processEnvironment() [L282] CALL __utac_acc__Specification1_spec__1() [L162] int tmp ; [L163] int tmp___0 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L167] tmp = isMethaneLevelCritical() [L169] COND TRUE \read(tmp) [L171] CALL, EXPR isPumpRunning() [L348] int retValue_acc ; [L351] retValue_acc = pumpRunning [L352] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L171] RET, EXPR isPumpRunning() [L171] tmp___0 = isPumpRunning() [L173] COND TRUE \read(tmp___0) [L175] CALL __automaton_fail() [L155] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 302 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 298 mSDsluCounter, 1810 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1107 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 703 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=517occurred in iteration=9, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 275 ConstructedInterpolants, 0 QuantifiedInterpolants, 549 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-12-02 15:07:19,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b820f221-5680-4d73-a003-96f635cabe40/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE