/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_spec3_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:40:42,644 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:40:42,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:40:42,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:40:42,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:40:42,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:40:42,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:40:42,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:40:42,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:40:42,742 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:40:42,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:40:42,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:40:42,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:40:42,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:40:42,743 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:40:42,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:40:42,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:40:42,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:40:42,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:40:42,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:40:42,746 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:40:42,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:40:42,747 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:40:42,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:40:42,747 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:40:42,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:40:42,748 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:40:42,748 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:40:42,748 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:40:42,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:42,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:40:42,749 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:40:42,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:40:42,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:40:42,750 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:40:42,750 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:40:42,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:40:42,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:40:42,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:40:42,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:40:42,981 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:40:42,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2023-12-16 17:40:44,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:40:44,303 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:40:44,303 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product29.cil.c [2023-12-16 17:40:44,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb657b1d/300f7e42f47d4a129f300fd90121efbb/FLAGde12a853d [2023-12-16 17:40:44,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bb657b1d/300f7e42f47d4a129f300fd90121efbb [2023-12-16 17:40:44,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:40:44,324 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:40:44,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:44,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:40:44,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:40:44,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aaee320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44, skipping insertion in model container [2023-12-16 17:40:44,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:44,525 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_spec3_product29.cil.c[13732,13745] [2023-12-16 17:40:44,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:44,546 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:40:44,551 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:44,577 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_spec3_product29.cil.c[13732,13745] [2023-12-16 17:40:44,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:44,587 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:40:44,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [49] [2023-12-16 17:40:44,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] [2023-12-16 17:40:44,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [181] [2023-12-16 17:40:44,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [547] [2023-12-16 17:40:44,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [585] [2023-12-16 17:40:44,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] [2023-12-16 17:40:44,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] [2023-12-16 17:40:44,595 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [890] [2023-12-16 17:40:44,618 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_spec3_product29.cil.c[13732,13745] [2023-12-16 17:40:44,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:44,636 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:40:44,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44 WrapperNode [2023-12-16 17:40:44,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:44,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:44,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:40:44,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:40:44,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,676 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 170 [2023-12-16 17:40:44,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:44,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:40:44,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:40:44,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:40:44,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,700 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]. [2023-12-16 17:40:44,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,708 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,709 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:40:44,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:40:44,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:40:44,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:40:44,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (1/1) ... [2023-12-16 17:40:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:44,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:40:44,757 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) [2023-12-16 17:40:44,768 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 [2023-12-16 17:40:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:40:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:40:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:40:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:40:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:40:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:40:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:40:44,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:40:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:40:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:40:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:40:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:40:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:40:44,792 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:40:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:40:44,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:40:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:40:44,848 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:40:44,850 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:40:45,134 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:40:45,185 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:40:45,185 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:40:45,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:45 BoogieIcfgContainer [2023-12-16 17:40:45,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:40:45,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:40:45,187 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:40:45,189 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:40:45,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:44" (1/3) ... [2023-12-16 17:40:45,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13967df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:45, skipping insertion in model container [2023-12-16 17:40:45,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44" (2/3) ... [2023-12-16 17:40:45,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13967df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:45, skipping insertion in model container [2023-12-16 17:40:45,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:45" (3/3) ... [2023-12-16 17:40:45,191 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product29.cil.c [2023-12-16 17:40:45,203 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:40:45,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:40:45,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:40:45,239 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;@2f957b3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:40:45,239 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:40:45,242 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) [2023-12-16 17:40:45,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:40:45,250 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:45,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:45,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:45,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash -647039171, now seen corresponding path program 1 times [2023-12-16 17:40:45,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:45,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [209063014] [2023-12-16 17:40:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:45,277 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 [2023-12-16 17:40:45,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:45,425 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) [2023-12-16 17:40:45,434 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 [2023-12-16 17:40:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:45,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:40:45,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:45,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:45,531 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:45,531 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:45,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [209063014] [2023-12-16 17:40:45,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [209063014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:45,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:45,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:45,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033170892] [2023-12-16 17:40:45,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:45,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:40:45,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:45,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:40:45,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:40:45,560 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) [2023-12-16 17:40:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:45,619 INFO L93 Difference]: Finished difference Result 146 states and 207 transitions. [2023-12-16 17:40:45,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:40:45,622 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 [2023-12-16 17:40:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:45,628 INFO L225 Difference]: With dead ends: 146 [2023-12-16 17:40:45,628 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 17:40:45,633 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 [2023-12-16 17:40:45,636 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 [2023-12-16 17:40:45,637 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] [2023-12-16 17:40:45,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 17:40:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 17:40:45,672 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) [2023-12-16 17:40:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 92 transitions. [2023-12-16 17:40:45,680 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 92 transitions. Word has length 17 [2023-12-16 17:40:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:45,680 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 92 transitions. [2023-12-16 17:40:45,681 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) [2023-12-16 17:40:45,681 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-12-16 17:40:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:40:45,684 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:45,684 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:45,690 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 (2)] Ended with exit code 0 [2023-12-16 17:40:45,887 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 [2023-12-16 17:40:45,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:45,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:45,892 INFO L85 PathProgramCache]: Analyzing trace with hash 31178880, now seen corresponding path program 1 times [2023-12-16 17:40:45,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:45,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607223974] [2023-12-16 17:40:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:45,892 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 [2023-12-16 17:40:45,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:45,894 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) [2023-12-16 17:40:45,900 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 [2023-12-16 17:40:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:45,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:45,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:45,988 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:45,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:45,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [607223974] [2023-12-16 17:40:45,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [607223974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:45,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:45,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:45,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163689365] [2023-12-16 17:40:45,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:45,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:45,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:45,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:45,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:45,991 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) [2023-12-16 17:40:46,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:46,014 INFO L93 Difference]: Finished difference Result 111 states and 147 transitions. [2023-12-16 17:40:46,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:46,014 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 [2023-12-16 17:40:46,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:46,015 INFO L225 Difference]: With dead ends: 111 [2023-12-16 17:40:46,015 INFO L226 Difference]: Without dead ends: 61 [2023-12-16 17:40:46,015 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 [2023-12-16 17:40:46,016 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 11 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:46,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 126 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-16 17:40:46,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-16 17:40:46,021 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) [2023-12-16 17:40:46,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 81 transitions. [2023-12-16 17:40:46,022 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 81 transitions. Word has length 18 [2023-12-16 17:40:46,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:46,022 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 81 transitions. [2023-12-16 17:40:46,022 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) [2023-12-16 17:40:46,022 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-12-16 17:40:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:40:46,023 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:46,023 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] [2023-12-16 17:40:46,030 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 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:46,230 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 [2023-12-16 17:40:46,231 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:46,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:46,231 INFO L85 PathProgramCache]: Analyzing trace with hash 736605868, now seen corresponding path program 1 times [2023-12-16 17:40:46,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:46,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699747154] [2023-12-16 17:40:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:46,232 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 [2023-12-16 17:40:46,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:46,255 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) [2023-12-16 17:40:46,269 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 [2023-12-16 17:40:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:46,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:46,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:46,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:46,346 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:46,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699747154] [2023-12-16 17:40:46,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699747154] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:46,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:46,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:46,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949785655] [2023-12-16 17:40:46,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:46,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:46,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:46,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:46,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:46,352 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), 2 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) [2023-12-16 17:40:46,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:46,398 INFO L93 Difference]: Finished difference Result 120 states and 161 transitions. [2023-12-16 17:40:46,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:46,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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 [2023-12-16 17:40:46,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:46,399 INFO L225 Difference]: With dead ends: 120 [2023-12-16 17:40:46,399 INFO L226 Difference]: Without dead ends: 61 [2023-12-16 17:40:46,400 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 [2023-12-16 17:40:46,401 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 69 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:46,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 68 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:46,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-12-16 17:40:46,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-12-16 17:40:46,408 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) [2023-12-16 17:40:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2023-12-16 17:40:46,409 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2023-12-16 17:40:46,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:46,409 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-12-16 17:40:46,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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) [2023-12-16 17:40:46,409 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-12-16 17:40:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-16 17:40:46,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:46,410 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] [2023-12-16 17:40:46,415 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 [2023-12-16 17:40:46,610 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 [2023-12-16 17:40:46,611 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:46,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:46,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1148770532, now seen corresponding path program 1 times [2023-12-16 17:40:46,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:46,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2053796725] [2023-12-16 17:40:46,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:46,612 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 [2023-12-16 17:40:46,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:46,615 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) [2023-12-16 17:40:46,629 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 [2023-12-16 17:40:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:46,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:40:46,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:46,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:46,749 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:46,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2053796725] [2023-12-16 17:40:46,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2053796725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:46,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:46,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:46,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203073591] [2023-12-16 17:40:46,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:46,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:46,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:46,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:46,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:46,754 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:40:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:46,826 INFO L93 Difference]: Finished difference Result 174 states and 235 transitions. [2023-12-16 17:40:46,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:46,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-12-16 17:40:46,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:46,832 INFO L225 Difference]: With dead ends: 174 [2023-12-16 17:40:46,832 INFO L226 Difference]: Without dead ends: 115 [2023-12-16 17:40:46,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:40:46,838 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 43 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:46,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 196 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:46,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-16 17:40:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2023-12-16 17:40:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 86 states have internal predecessors, (102), 24 states have call successors, (24), 16 states have call predecessors, (24), 15 states have return successors, (25), 15 states have call predecessors, (25), 24 states have call successors, (25) [2023-12-16 17:40:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 151 transitions. [2023-12-16 17:40:46,871 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 151 transitions. Word has length 31 [2023-12-16 17:40:46,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:46,871 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 151 transitions. [2023-12-16 17:40:46,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-16 17:40:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 151 transitions. [2023-12-16 17:40:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-16 17:40:46,873 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:46,873 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] [2023-12-16 17:40:46,896 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 [2023-12-16 17:40:47,073 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 [2023-12-16 17:40:47,074 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:47,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1400281718, now seen corresponding path program 1 times [2023-12-16 17:40:47,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:47,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806815243] [2023-12-16 17:40:47,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:47,075 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 [2023-12-16 17:40:47,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:47,076 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) [2023-12-16 17:40:47,093 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 [2023-12-16 17:40:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 17:40:47,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 17:40:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 17:40:47,161 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-12-16 17:40:47,161 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 17:40:47,162 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:40:47,177 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:47,365 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 [2023-12-16 17:40:47,371 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 17:40:47,391 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:40:47,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:47 BoogieIcfgContainer [2023-12-16 17:40:47,437 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:40:47,437 INFO L158 Benchmark]: Toolchain (without parser) took 3113.16ms. Allocated memory is still 299.9MB. Free memory was 245.8MB in the beginning and 167.6MB in the end (delta: 78.2MB). Peak memory consumption was 79.6MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.08ms. Allocated memory is still 299.9MB. Free memory was 245.8MB in the beginning and 220.0MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 299.9MB. Free memory was 220.0MB in the beginning and 217.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: Boogie Preprocessor took 34.09ms. Allocated memory is still 299.9MB. Free memory was 217.8MB in the beginning and 215.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: RCFGBuilder took 474.01ms. Allocated memory is still 299.9MB. Free memory was 215.4MB in the beginning and 253.1MB in the end (delta: -37.7MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,438 INFO L158 Benchmark]: TraceAbstraction took 2250.00ms. Allocated memory is still 299.9MB. Free memory was 252.6MB in the beginning and 167.6MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2023-12-16 17:40:47,439 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 205.5MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 312.08ms. Allocated memory is still 299.9MB. Free memory was 245.8MB in the beginning and 220.0MB in the end (delta: 25.8MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 299.9MB. Free memory was 220.0MB in the beginning and 217.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.09ms. Allocated memory is still 299.9MB. Free memory was 217.8MB in the beginning and 215.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 474.01ms. Allocated memory is still 299.9MB. Free memory was 215.4MB in the beginning and 253.1MB in the end (delta: -37.7MB). Peak memory consumption was 21.9MB. Max. memory is 8.0GB. * TraceAbstraction took 2250.00ms. Allocated memory is still 299.9MB. Free memory was 252.6MB in the beginning and 167.6MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. 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,"Specification3_spec.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87] - GenericResultAtLocation [Line: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [181] - GenericResultAtLocation [Line: 547]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [547] - GenericResultAtLocation [Line: 585]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [585] - GenericResultAtLocation [Line: 594]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [594] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [693] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [890] * 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: 590]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L93] int waterLevel = 1; [L94] int methaneLevelCritical = 0; [L351] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L595] int cleanupTimeShifts = 4; [L696] int pumpRunning = 0; [L697] int systemActive = 1; [L671] int retValue_acc ; [L672] int tmp ; [L676] FCALL select_helpers() [L677] FCALL select_features() [L678] CALL, EXPR valid_product() [L577] int retValue_acc ; [L580] retValue_acc = 1 [L581] return (retValue_acc); [L678] RET, EXPR valid_product() [L678] tmp = valid_product() [L680] COND TRUE \read(tmp) [L682] FCALL setup() [L683] CALL runTest() [L665] CALL test() [L892] int splverifierCounter ; [L893] int tmp ; [L894] int tmp___0 ; [L895] int tmp___1 ; [L896] int tmp___2 ; [L899] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L901] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L903] COND TRUE splverifierCounter < 4 [L909] tmp = __VERIFIER_nondet_int() [L911] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1] [L913] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L111] COND TRUE waterLevel < 2 [L112] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L913] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2] [L919] tmp___0 = __VERIFIER_nondet_int() [L921] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, waterLevel=2] [L929] tmp___2 = __VERIFIER_nondet_int() [L931] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, tmp___2=2, waterLevel=2] [L944] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L703] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] COND TRUE \read(systemActive) [L712] CALL processEnvironment() [L758] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L735] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L750] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] RET processEnvironment__wrappee__methaneQuery() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L712] RET processEnvironment() [L718] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int retValue_acc ; [L135] retValue_acc = methaneLevelCritical [L136] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L164] int retValue_acc ; [L167] retValue_acc = waterLevel [L168] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND TRUE tmp___0 == 2 [L71] CALL, EXPR isPumpRunning() [L827] int retValue_acc ; [L830] retValue_acc = pumpRunning [L831] return (retValue_acc); [L71] RET, EXPR isPumpRunning() [L71] tmp___1 = isPumpRunning() [L73] COND FALSE !(\read(tmp___1)) [L77] CALL __automaton_fail() [L590] reach_error() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - 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: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 126 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 474 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 288 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=4, InterpolantAutomatonStates: 12, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 3 NumberOfNonLiveVariables, 323 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2023-12-16 17:40:47,470 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...