/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:37,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:37,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:01:37,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:37,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:37,531 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:37,532 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:37,532 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:37,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:37,535 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:37,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:37,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:37,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:37,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:37,538 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:37,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:37,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:37,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:37,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:37,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:37,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:37,540 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:37,541 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:37,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:37,541 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:37,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:37,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:37,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:37,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:37,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:37,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:37,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:37,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:37,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:37,544 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:37,544 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:37,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:37,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:37,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:37,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:37,744 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:37,745 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2023-12-25 06:01:38,823 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:39,048 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:39,049 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c [2023-12-25 06:01:39,058 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a48a4d8/a67478d21f564d55945dbc5fa5f53522/FLAGe1795f8a3 [2023-12-25 06:01:39,069 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a48a4d8/a67478d21f564d55945dbc5fa5f53522 [2023-12-25 06:01:39,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:39,072 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:39,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:39,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:39,076 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:39,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17cf7012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39, skipping insertion in model container [2023-12-25 06:01:39,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:39,284 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2023-12-25 06:01:39,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:39,315 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:01:39,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:39,368 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2023-12-25 06:01:39,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:39,376 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:01:39,382 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [556] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [650] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [925] [2023-12-25 06:01:39,384 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [934] [2023-12-25 06:01:39,457 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2023-12-25 06:01:39,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:39,477 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:01:39,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39 WrapperNode [2023-12-25 06:01:39,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:39,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:39,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:01:39,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:01:39,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,531 INFO L138 Inliner]: procedures = 58, calls = 101, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 170 [2023-12-25 06:01:39,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:39,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:01:39,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:01:39,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:01:39,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,559 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]. [2023-12-25 06:01:39,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:01:39,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:01:39,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:01:39,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:01:39,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (1/1) ... [2023-12-25 06:01:39,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:39,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:01:39,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:01:39,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:01:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:01:39,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:01:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:01:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:01:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:01:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:01:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:01:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:01:39,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:01:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:01:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:01:39,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:01:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:01:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:01:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:01:39,671 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:01:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:01:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:01:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:01:39,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:01:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:01:39,786 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:01:39,789 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:01:40,038 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:01:40,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:01:40,153 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:01:40,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:40 BoogieIcfgContainer [2023-12-25 06:01:40,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:01:40,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:01:40,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:01:40,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:01:40,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:39" (1/3) ... [2023-12-25 06:01:40,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec228f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:40, skipping insertion in model container [2023-12-25 06:01:40,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:39" (2/3) ... [2023-12-25 06:01:40,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ec228f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:40, skipping insertion in model container [2023-12-25 06:01:40,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:40" (3/3) ... [2023-12-25 06:01:40,160 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2023-12-25 06:01:40,172 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:01:40,172 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:01:40,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:01:40,221 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@78b8275e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:01:40,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:01:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 56 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:01:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:01:40,238 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:40,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:40,238 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:40,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:40,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1762469268, now seen corresponding path program 1 times [2023-12-25 06:01:40,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:40,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584540201] [2023-12-25 06:01:40,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:40,250 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:40,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:40,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:40,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:01:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:40,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:01:40,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:40,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:40,381 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:40,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584540201] [2023-12-25 06:01:40,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584540201] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:40,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:40,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:40,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557915724] [2023-12-25 06:01:40,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:40,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:01:40,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:40,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:01:40,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:40,407 INFO L87 Difference]: Start difference. First operand has 74 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 56 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:40,458 INFO L93 Difference]: Finished difference Result 146 states and 207 transitions. [2023-12-25 06:01:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:01:40,461 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 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 17 [2023-12-25 06:01:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:40,470 INFO L225 Difference]: With dead ends: 146 [2023-12-25 06:01:40,470 INFO L226 Difference]: Without dead ends: 69 [2023-12-25 06:01:40,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:40,481 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:40,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:40,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-25 06:01:40,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-25 06:01:40,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 45 states have (on average 1.4) internal successors, (63), 52 states have internal predecessors, (63), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-25 06:01:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2023-12-25 06:01:40,519 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 17 [2023-12-25 06:01:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:40,519 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2023-12-25 06:01:40,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-12-25 06:01:40,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:01:40,521 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:40,521 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:40,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:40,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:40,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:40,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:40,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1677094224, now seen corresponding path program 1 times [2023-12-25 06:01:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:40,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027050070] [2023-12-25 06:01:40,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:40,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:40,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:40,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:40,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:01:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:40,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:40,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:40,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:40,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:40,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:40,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027050070] [2023-12-25 06:01:40,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027050070] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:40,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:40,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:40,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100911119] [2023-12-25 06:01:40,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:40,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:40,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:40,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:40,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:40,799 INFO L87 Difference]: Start difference. First operand 69 states and 92 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:40,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:40,823 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2023-12-25 06:01:40,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:40,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 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 18 [2023-12-25 06:01:40,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:40,825 INFO L225 Difference]: With dead ends: 111 [2023-12-25 06:01:40,825 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:01:40,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:40,826 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 11 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 127 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 [2023-12-25 06:01:40,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 127 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:01:40,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:01:40,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-25 06:01:40,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2023-12-25 06:01:40,833 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 18 [2023-12-25 06:01:40,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:40,833 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2023-12-25 06:01:40,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-12-25 06:01:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:01:40,834 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:40,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:40,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-25 06:01:41,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:41,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:41,037 INFO L85 PathProgramCache]: Analyzing trace with hash 313548479, now seen corresponding path program 1 times [2023-12-25 06:01:41,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:41,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973838501] [2023-12-25 06:01:41,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:41,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:41,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:41,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:01:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:41,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:41,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:41,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:41,082 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:41,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973838501] [2023-12-25 06:01:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973838501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:41,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591001126] [2023-12-25 06:01:41,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:41,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:41,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:41,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:41,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:41,084 INFO L87 Difference]: Start difference. First operand 61 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-12-25 06:01:41,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:41,107 INFO L93 Difference]: Finished difference Result 120 states and 161 transitions. [2023-12-25 06:01:41,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:41,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2023-12-25 06:01:41,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:41,109 INFO L225 Difference]: With dead ends: 120 [2023-12-25 06:01:41,109 INFO L226 Difference]: Without dead ends: 61 [2023-12-25 06:01:41,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:41,110 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:41,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 68 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:41,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-25 06:01:41,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-25 06:01:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 40 states have (on average 1.4) internal successors, (56), 47 states have internal predecessors, (56), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-25 06:01:41,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2023-12-25 06:01:41,117 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2023-12-25 06:01:41,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:41,117 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-12-25 06:01:41,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-12-25 06:01:41,117 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-25 06:01:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-25 06:01:41,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:41,118 INFO L195 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] [2023-12-25 06:01:41,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-25 06:01:41,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,320 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:41,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash 336545490, now seen corresponding path program 1 times [2023-12-25 06:01:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:41,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251025656] [2023-12-25 06:01:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:41,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:41,322 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:41,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:01:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:41,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:41,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:41,420 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:41,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:41,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251025656] [2023-12-25 06:01:41,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251025656] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:41,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:41,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:41,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170788843] [2023-12-25 06:01:41,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:41,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:41,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:41,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:41,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:41,422 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-25 06:01:41,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:41,553 INFO L93 Difference]: Finished difference Result 176 states and 235 transitions. [2023-12-25 06:01:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:01:41,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-12-25 06:01:41,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:41,555 INFO L225 Difference]: With dead ends: 176 [2023-12-25 06:01:41,555 INFO L226 Difference]: Without dead ends: 117 [2023-12-25 06:01:41,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:41,556 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 46 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:41,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 305 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-25 06:01:41,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2023-12-25 06:01:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 88 states have internal predecessors, (103), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2023-12-25 06:01:41,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 152 transitions. [2023-12-25 06:01:41,570 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 152 transitions. Word has length 31 [2023-12-25 06:01:41,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:41,570 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 152 transitions. [2023-12-25 06:01:41,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-25 06:01:41,571 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions. [2023-12-25 06:01:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-25 06:01:41,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:41,572 INFO L195 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] [2023-12-25 06:01:41,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:41,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,774 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:41,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:41,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1460173426, now seen corresponding path program 1 times [2023-12-25 06:01:41,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:41,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1565433037] [2023-12-25 06:01:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:41,775 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:41,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:41,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:41,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:01:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:41,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-25 06:01:41,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:41,883 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:41,883 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:41,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1565433037] [2023-12-25 06:01:41,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1565433037] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:41,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:41,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:41,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873141735] [2023-12-25 06:01:41,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:41,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 06:01:41,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:41,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 06:01:41,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:01:41,885 INFO L87 Difference]: Start difference. First operand 116 states and 152 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:01:41,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:41,959 INFO L93 Difference]: Finished difference Result 192 states and 252 transitions. [2023-12-25 06:01:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:01:41,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-12-25 06:01:41,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:41,960 INFO L225 Difference]: With dead ends: 192 [2023-12-25 06:01:41,960 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:01:41,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-25 06:01:41,961 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 37 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:41,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 55 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:41,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:01:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:01:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:01:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:01:41,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-12-25 06:01:41,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:41,963 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:01:41,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-25 06:01:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:01:41,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:01:41,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:01:41,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-25 06:01:42,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:42,170 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:01:42,424 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 834 841) no Hoare annotation was computed. [2023-12-25 06:01:42,424 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 834 841) the Hoare annotation is: true [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 750 756) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 750 756) the Hoare annotation is: true [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 588 599) the Hoare annotation is: (or (not (= (_ bv0 32) ~pumpRunning~0)) (not (= ~systemActive~0 (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))) [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 588 599) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 600 608) the Hoare annotation is: true [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 600 608) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point L737-1(lines 737 743) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 966) no Hoare annotation was computed. [2023-12-25 06:01:42,425 INFO L899 garLoopResultBuilder]: For program point L568(lines 568 572) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L952(lines 952 969) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L952-1(lines 944 972) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L568-2(lines 564 575) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 963) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 729 748) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L792(lines 792 800) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L788(lines 788 805) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L895 garLoopResultBuilder]: At program point L950(line 950) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2023-12-25 06:01:42,426 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 726 749) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,426 INFO L899 garLoopResultBuilder]: For program point L930(line 930) no Hoare annotation was computed. [2023-12-25 06:01:42,427 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-25 06:01:42,427 INFO L895 garLoopResultBuilder]: At program point L794(line 794) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-25 06:01:42,427 INFO L895 garLoopResultBuilder]: At program point L790(line 790) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-25 06:01:42,427 INFO L899 garLoopResultBuilder]: For program point L790-1(line 790) no Hoare annotation was computed. [2023-12-25 06:01:42,427 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 726 749) no Hoare annotation was computed. [2023-12-25 06:01:42,427 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2023-12-25 06:01:42,427 INFO L895 garLoopResultBuilder]: At program point L803(line 803) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,427 INFO L899 garLoopResultBuilder]: For program point L803-1(lines 784 808) no Hoare annotation was computed. [2023-12-25 06:01:42,427 INFO L899 garLoopResultBuilder]: For program point L481(lines 456 485) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L902 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2023-12-25 06:01:42,428 INFO L902 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2023-12-25 06:01:42,428 INFO L902 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 456 485) the Hoare annotation is: true [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 550) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L543-2(lines 543 550) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 704) no Hoare annotation was computed. [2023-12-25 06:01:42,428 INFO L895 garLoopResultBuilder]: At program point L700-2(lines 692 705) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L663(lines 662 709) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L692(lines 692 705) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L713(lines 652 717) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L672(lines 672 678) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L672-1(lines 672 678) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L895 garLoopResultBuilder]: At program point L710(lines 661 711) the Hoare annotation is: false [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L682(lines 682 688) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L899 garLoopResultBuilder]: For program point L682-1(lines 682 688) no Hoare annotation was computed. [2023-12-25 06:01:42,429 INFO L895 garLoopResultBuilder]: At program point L707(lines 662 709) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,430 INFO L895 garLoopResultBuilder]: At program point L674(line 674) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 576 587) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 576 587) the Hoare annotation is: true [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point L766(lines 766 774) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 779) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point L907(lines 907 911) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 758 782) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,430 INFO L899 garLoopResultBuilder]: For program point L907-2(lines 907 911) no Hoare annotation was computed. [2023-12-25 06:01:42,430 INFO L895 garLoopResultBuilder]: At program point L777(line 777) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:01:42,431 INFO L899 garLoopResultBuilder]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2023-12-25 06:01:42,431 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 758 782) no Hoare annotation was computed. [2023-12-25 06:01:42,431 INFO L895 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: (or (not (= ~systemActive~0 (_ bv1 32))) (not (= |old(~pumpRunning~0)| (_ bv0 32)))) [2023-12-25 06:01:42,431 INFO L902 garLoopResultBuilder]: At program point L847(line 847) the Hoare annotation is: true [2023-12-25 06:01:42,431 INFO L899 garLoopResultBuilder]: For program point L847-1(line 847) no Hoare annotation was computed. [2023-12-25 06:01:42,431 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 842 852) no Hoare annotation was computed. [2023-12-25 06:01:42,431 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 842 852) the Hoare annotation is: true [2023-12-25 06:01:42,433 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-25 06:01:42,435 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:01:42,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:01:42 BoogieIcfgContainer [2023-12-25 06:01:42,443 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:01:42,443 INFO L158 Benchmark]: Toolchain (without parser) took 3371.51ms. Allocated memory is still 273.7MB. Free memory was 222.3MB in the beginning and 101.2MB in the end (delta: 121.1MB). Peak memory consumption was 122.2MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,444 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:01:42,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.17ms. Allocated memory is still 273.7MB. Free memory was 221.9MB in the beginning and 196.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.45ms. Allocated memory is still 273.7MB. Free memory was 196.1MB in the beginning and 194.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,444 INFO L158 Benchmark]: Boogie Preprocessor took 38.85ms. Allocated memory is still 273.7MB. Free memory was 193.6MB in the beginning and 191.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,444 INFO L158 Benchmark]: RCFGBuilder took 582.97ms. Allocated memory is still 273.7MB. Free memory was 191.5MB in the beginning and 227.0MB in the end (delta: -35.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,445 INFO L158 Benchmark]: TraceAbstraction took 2287.66ms. Allocated memory is still 273.7MB. Free memory was 226.5MB in the beginning and 101.2MB in the end (delta: 125.3MB). Peak memory consumption was 124.8MB. Max. memory is 8.0GB. [2023-12-25 06:01:42,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 208.7MB. Free memory is still 157.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 405.17ms. Allocated memory is still 273.7MB. Free memory was 221.9MB in the beginning and 196.1MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.45ms. Allocated memory is still 273.7MB. Free memory was 196.1MB in the beginning and 194.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.85ms. Allocated memory is still 273.7MB. Free memory was 193.6MB in the beginning and 191.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 582.97ms. Allocated memory is still 273.7MB. Free memory was 191.5MB in the beginning and 227.0MB in the end (delta: -35.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2287.66ms. Allocated memory is still 273.7MB. Free memory was 226.5MB in the beginning and 101.2MB in the end (delta: 125.3MB). Peak memory consumption was 124.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [415] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [453] - GenericResultAtLocation [Line: 556]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [556] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [650] - GenericResultAtLocation [Line: 718]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718] - GenericResultAtLocation [Line: 925]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [925] - GenericResultAtLocation [Line: 934]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [934] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 930]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 170 mSDsluCounter, 639 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 313 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 201 PreInvPairs, 213 NumberOfFragments, 172 HoareAnnotationTreeSize, 201 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FormulaSimplificationsInter, 437 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 5 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 661]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: (((systemActive == 1) && (splverifierCounter == 0)) && (0 == pumpRunning)) - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:01:42,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...