/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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:02:09,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:02:09,075 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 06:02:09,079 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:02:09,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:02:09,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:02:09,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:02:09,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:02:09,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:02:09,107 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:02:09,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:02:09,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:02:09,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:02:09,108 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:02:09,108 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:02:09,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:02:09,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:02:09,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:02:09,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:02:09,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:02:09,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:02:09,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:02:09,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:02:09,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:02:09,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:02:09,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:02:09,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:02:09,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:02:09,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:09,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:02:09,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:02:09,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:02:09,112 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:02:09,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:02:09,114 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:02:09,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:02:09,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:02:09,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:02:09,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:02:09,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:02:09,352 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:02:09,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2023-12-25 06:02:10,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:02:10,708 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:02:10,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product61.cil.c [2023-12-25 06:02:10,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c2f40a0/382a8e6bf78648e185edc71da333d2a3/FLAGf0dab3c6a [2023-12-25 06:02:10,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c2f40a0/382a8e6bf78648e185edc71da333d2a3 [2023-12-25 06:02:10,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:02:10,736 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:02:10,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:10,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:02:10,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:02:10,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:10" (1/1) ... [2023-12-25 06:02:10,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e4349d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:10, skipping insertion in model container [2023-12-25 06:02:10,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:10" (1/1) ... [2023-12-25 06:02:10,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:11,004 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_product61.cil.c[13371,13384] [2023-12-25 06:02:11,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:11,050 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:02:11,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:02:11,095 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_product61.cil.c[13371,13384] [2023-12-25 06:02:11,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:11,113 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:02:11,119 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-12-25 06:02:11,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [91] [2023-12-25 06:02:11,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [196] [2023-12-25 06:02:11,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [562] [2023-12-25 06:02:11,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [571] [2023-12-25 06:02:11,120 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [606] [2023-12-25 06:02:11,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [671] [2023-12-25 06:02:11,121 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [779] [2023-12-25 06:02:11,154 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_product61.cil.c[13371,13384] [2023-12-25 06:02:11,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:02:11,174 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:02:11,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11 WrapperNode [2023-12-25 06:02:11,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:02:11,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:11,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:02:11,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:02:11,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,240 INFO L138 Inliner]: procedures = 60, calls = 105, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 210 [2023-12-25 06:02:11,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:02:11,241 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:02:11,241 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:02:11,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:02:11,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,274 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 06:02:11,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:02:11,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:02:11,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:02:11,327 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:02:11,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (1/1) ... [2023-12-25 06:02:11,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:02:11,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:02:11,372 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 06:02:11,400 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 06:02:11,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:02:11,414 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:02:11,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:02:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:02:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:02:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:02:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:02:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:02:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:02:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:02:11,416 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:02:11,416 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:02:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:02:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:02:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:02:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:02:11,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:02:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:02:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:02:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:02:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:02:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:02:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:02:11,513 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:02:11,514 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:02:11,834 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:02:11,966 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:02:11,967 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:02:11,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:11 BoogieIcfgContainer [2023-12-25 06:02:11,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:02:11,970 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:02:11,970 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:02:11,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:02:11,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:10" (1/3) ... [2023-12-25 06:02:11,980 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30267979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:11, skipping insertion in model container [2023-12-25 06:02:11,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:11" (2/3) ... [2023-12-25 06:02:11,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30267979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:11, skipping insertion in model container [2023-12-25 06:02:11,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:11" (3/3) ... [2023-12-25 06:02:11,982 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2023-12-25 06:02:12,015 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:02:12,015 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:02:12,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:02:12,101 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;@28bf8a06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:02:12,102 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:02:12,105 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:02:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:02:12,128 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:12,129 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 06:02:12,130 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:12,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:12,135 INFO L85 PathProgramCache]: Analyzing trace with hash 179765917, now seen corresponding path program 1 times [2023-12-25 06:02:12,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:12,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567631406] [2023-12-25 06:02:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:12,147 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 06:02:12,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:12,168 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 06:02:12,192 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 06:02:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:12,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:02:12,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:12,317 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 06:02:12,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:12,317 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:12,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567631406] [2023-12-25 06:02:12,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567631406] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:12,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:12,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:12,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663190045] [2023-12-25 06:02:12,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:12,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:02:12,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:12,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:02:12,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:02:12,350 INFO L87 Difference]: Start difference. First operand has 89 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 69 states have internal predecessors, (89), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) 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 06:02:12,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:12,415 INFO L93 Difference]: Finished difference Result 176 states and 251 transitions. [2023-12-25 06:02:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:02:12,417 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 06:02:12,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:12,425 INFO L225 Difference]: With dead ends: 176 [2023-12-25 06:02:12,425 INFO L226 Difference]: Without dead ends: 84 [2023-12-25 06:02:12,429 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 06:02:12,433 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:12,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:12,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-25 06:02:12,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-12-25 06:02:12,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 65 states have internal predecessors, (79), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-25 06:02:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2023-12-25 06:02:12,487 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 17 [2023-12-25 06:02:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:12,488 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2023-12-25 06:02:12,488 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 06:02:12,488 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2023-12-25 06:02:12,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-25 06:02:12,492 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:12,493 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 06:02:12,504 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 [2023-12-25 06:02:12,695 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 06:02:12,696 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:12,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:12,697 INFO L85 PathProgramCache]: Analyzing trace with hash 611988829, now seen corresponding path program 1 times [2023-12-25 06:02:12,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:12,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [230414227] [2023-12-25 06:02:12,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:12,699 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 06:02:12,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:12,709 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 06:02:12,739 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 06:02:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:12,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:12,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:12,779 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 06:02:12,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:12,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:12,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [230414227] [2023-12-25 06:02:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [230414227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:02:12,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096204310] [2023-12-25 06:02:12,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:12,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:12,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:12,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:12,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:12,786 INFO L87 Difference]: Start difference. First operand 84 states and 114 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 06:02:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:12,832 INFO L93 Difference]: Finished difference Result 141 states and 191 transitions. [2023-12-25 06:02:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:12,832 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 06:02:12,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:12,834 INFO L225 Difference]: With dead ends: 141 [2023-12-25 06:02:12,834 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:02:12,837 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 06:02:12,839 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 11 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:12,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 168 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:02:12,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:02:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 60 states have internal predecessors, (73), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:02:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 103 transitions. [2023-12-25 06:02:12,850 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 103 transitions. Word has length 18 [2023-12-25 06:02:12,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:12,850 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 103 transitions. [2023-12-25 06:02:12,851 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 06:02:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-12-25 06:02:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-25 06:02:12,851 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:12,851 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 06:02:12,857 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 [2023-12-25 06:02:13,054 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 06:02:13,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:13,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:13,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1788032899, now seen corresponding path program 1 times [2023-12-25 06:02:13,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:13,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217272333] [2023-12-25 06:02:13,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:13,055 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 06:02:13,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:13,056 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 06:02:13,058 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 06:02:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:13,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:02:13,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:13,130 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 06:02:13,130 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:13,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:13,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217272333] [2023-12-25 06:02:13,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217272333] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:13,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:13,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:13,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977641252] [2023-12-25 06:02:13,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:13,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:13,137 INFO L87 Difference]: Start difference. First operand 76 states and 103 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) [2023-12-25 06:02:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:13,172 INFO L93 Difference]: Finished difference Result 150 states and 205 transitions. [2023-12-25 06:02:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:13,172 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 [2023-12-25 06:02:13,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:13,176 INFO L225 Difference]: With dead ends: 150 [2023-12-25 06:02:13,176 INFO L226 Difference]: Without dead ends: 76 [2023-12-25 06:02:13,177 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 06:02:13,177 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:13,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 89 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:13,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-25 06:02:13,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-25 06:02:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 60 states have internal predecessors, (72), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-25 06:02:13,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 102 transitions. [2023-12-25 06:02:13,186 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 102 transitions. Word has length 21 [2023-12-25 06:02:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:13,187 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 102 transitions. [2023-12-25 06:02:13,187 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) [2023-12-25 06:02:13,187 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-12-25 06:02:13,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-25 06:02:13,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:13,189 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] [2023-12-25 06:02:13,193 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 (4)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:13,391 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 06:02:13,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:13,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:13,392 INFO L85 PathProgramCache]: Analyzing trace with hash 546032922, now seen corresponding path program 1 times [2023-12-25 06:02:13,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:13,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129843736] [2023-12-25 06:02:13,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:13,393 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 06:02:13,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:13,394 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 06:02:13,423 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 06:02:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:13,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:13,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:13,537 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 06:02:13,537 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:13,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:13,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129843736] [2023-12-25 06:02:13,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129843736] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:13,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:13,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:02:13,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4560777] [2023-12-25 06:02:13,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:13,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 06:02:13,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:13,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 06:02:13,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:02:13,542 INFO L87 Difference]: Start difference. First operand 76 states and 102 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:02:13,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:13,790 INFO L93 Difference]: Finished difference Result 228 states and 302 transitions. [2023-12-25 06:02:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:02:13,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 34 [2023-12-25 06:02:13,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:13,794 INFO L225 Difference]: With dead ends: 228 [2023-12-25 06:02:13,794 INFO L226 Difference]: Without dead ends: 154 [2023-12-25 06:02:13,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:02:13,795 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 179 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:13,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 231 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:02:13,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-25 06:02:13,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 148. [2023-12-25 06:02:13,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 102 states have (on average 1.3235294117647058) internal successors, (135), 111 states have internal predecessors, (135), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2023-12-25 06:02:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 186 transitions. [2023-12-25 06:02:13,828 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 186 transitions. Word has length 34 [2023-12-25 06:02:13,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:13,828 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 186 transitions. [2023-12-25 06:02:13,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-12-25 06:02:13,828 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 186 transitions. [2023-12-25 06:02:13,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-25 06:02:13,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:13,829 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, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:13,838 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 06:02:14,031 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 06:02:14,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:14,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:14,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2070120193, now seen corresponding path program 1 times [2023-12-25 06:02:14,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:14,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566276302] [2023-12-25 06:02:14,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:14,032 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 06:02:14,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:14,036 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 06:02:14,039 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 06:02:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:14,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:02:14,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:14,178 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 06:02:14,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:14,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566276302] [2023-12-25 06:02:14,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566276302] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:14,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:14,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:02:14,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216077196] [2023-12-25 06:02:14,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:02:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:02:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:02:14,187 INFO L87 Difference]: Start difference. First operand 148 states and 186 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:02:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:14,335 INFO L93 Difference]: Finished difference Result 434 states and 551 transitions. [2023-12-25 06:02:14,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:02:14,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-12-25 06:02:14,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:14,337 INFO L225 Difference]: With dead ends: 434 [2023-12-25 06:02:14,338 INFO L226 Difference]: Without dead ends: 288 [2023-12-25 06:02:14,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 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 06:02:14,338 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 58 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:14,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 411 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:14,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-12-25 06:02:14,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 284. [2023-12-25 06:02:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 193 states have (on average 1.2694300518134716) internal successors, (245), 210 states have internal predecessors, (245), 44 states have call successors, (44), 36 states have call predecessors, (44), 46 states have return successors, (60), 48 states have call predecessors, (60), 44 states have call successors, (60) [2023-12-25 06:02:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 349 transitions. [2023-12-25 06:02:14,366 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 349 transitions. Word has length 41 [2023-12-25 06:02:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:14,366 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 349 transitions. [2023-12-25 06:02:14,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-25 06:02:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 349 transitions. [2023-12-25 06:02:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-25 06:02:14,367 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:14,367 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:14,373 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 [2023-12-25 06:02:14,568 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 06:02:14,569 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:14,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:14,569 INFO L85 PathProgramCache]: Analyzing trace with hash 827539387, now seen corresponding path program 1 times [2023-12-25 06:02:14,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:14,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [981078121] [2023-12-25 06:02:14,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:14,570 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 06:02:14,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:14,571 INFO L229 MonitoredProcess]: Starting monitored process 7 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 06:02:14,602 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 (7)] Waiting until timeout for monitored process [2023-12-25 06:02:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:14,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-25 06:02:14,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:14,696 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 06:02:14,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:14,697 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:14,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [981078121] [2023-12-25 06:02:14,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [981078121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:14,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:14,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:02:14,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104204848] [2023-12-25 06:02:14,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:14,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-25 06:02:14,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:14,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-25 06:02:14,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:02:14,698 INFO L87 Difference]: Start difference. First operand 284 states and 349 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:02:14,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:14,896 INFO L93 Difference]: Finished difference Result 570 states and 700 transitions. [2023-12-25 06:02:14,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-25 06:02:14,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2023-12-25 06:02:14,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:14,898 INFO L225 Difference]: With dead ends: 570 [2023-12-25 06:02:14,898 INFO L226 Difference]: Without dead ends: 288 [2023-12-25 06:02:14,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-25 06:02:14,899 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 105 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:14,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 226 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:02:14,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2023-12-25 06:02:14,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 282. [2023-12-25 06:02:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 191 states have (on average 1.2513089005235603) internal successors, (239), 208 states have internal predecessors, (239), 44 states have call successors, (44), 36 states have call predecessors, (44), 46 states have return successors, (60), 48 states have call predecessors, (60), 44 states have call successors, (60) [2023-12-25 06:02:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 343 transitions. [2023-12-25 06:02:14,919 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 343 transitions. Word has length 45 [2023-12-25 06:02:14,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:14,919 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 343 transitions. [2023-12-25 06:02:14,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-25 06:02:14,919 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 343 transitions. [2023-12-25 06:02:14,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:02:14,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:14,920 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:14,923 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 (7)] Ended with exit code 0 [2023-12-25 06:02:15,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 06:02:15,124 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:15,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash 803556170, now seen corresponding path program 1 times [2023-12-25 06:02:15,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:15,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025239873] [2023-12-25 06:02:15,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:15,124 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 06:02:15,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:15,125 INFO L229 MonitoredProcess]: Starting monitored process 8 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 06:02:15,149 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 (8)] Waiting until timeout for monitored process [2023-12-25 06:02:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:15,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:15,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:02:15,179 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:15,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:15,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025239873] [2023-12-25 06:02:15,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025239873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:15,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:15,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:15,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527589144] [2023-12-25 06:02:15,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:15,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:15,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:15,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:15,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:15,181 INFO L87 Difference]: Start difference. First operand 282 states and 343 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:15,218 INFO L93 Difference]: Finished difference Result 570 states and 710 transitions. [2023-12-25 06:02:15,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:15,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:02:15,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:15,220 INFO L225 Difference]: With dead ends: 570 [2023-12-25 06:02:15,220 INFO L226 Difference]: Without dead ends: 290 [2023-12-25 06:02:15,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:15,221 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 2 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:15,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 261 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2023-12-25 06:02:15,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2023-12-25 06:02:15,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 195 states have (on average 1.2461538461538462) internal successors, (243), 212 states have internal predecessors, (243), 44 states have call successors, (44), 36 states have call predecessors, (44), 46 states have return successors, (60), 48 states have call predecessors, (60), 44 states have call successors, (60) [2023-12-25 06:02:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 347 transitions. [2023-12-25 06:02:15,238 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 347 transitions. Word has length 52 [2023-12-25 06:02:15,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:15,239 INFO L495 AbstractCegarLoop]: Abstraction has 286 states and 347 transitions. [2023-12-25 06:02:15,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,239 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 347 transitions. [2023-12-25 06:02:15,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:02:15,240 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:15,240 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:15,242 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 (8)] Ended with exit code 0 [2023-12-25 06:02:15,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 06:02:15,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:15,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1568183092, now seen corresponding path program 1 times [2023-12-25 06:02:15,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:15,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557665380] [2023-12-25 06:02:15,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:15,445 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 06:02:15,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:15,447 INFO L229 MonitoredProcess]: Starting monitored process 9 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 06:02:15,448 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 (9)] Waiting until timeout for monitored process [2023-12-25 06:02:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:15,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:15,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:02:15,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:15,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:15,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557665380] [2023-12-25 06:02:15,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557665380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:15,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:15,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:02:15,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869361953] [2023-12-25 06:02:15,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:15,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:02:15,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:15,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:02:15,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:02:15,507 INFO L87 Difference]: Start difference. First operand 286 states and 347 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:15,550 INFO L93 Difference]: Finished difference Result 584 states and 726 transitions. [2023-12-25 06:02:15,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:02:15,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:02:15,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:15,552 INFO L225 Difference]: With dead ends: 584 [2023-12-25 06:02:15,552 INFO L226 Difference]: Without dead ends: 300 [2023-12-25 06:02:15,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-25 06:02:15,553 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:15,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 260 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:15,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2023-12-25 06:02:15,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 290. [2023-12-25 06:02:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 216 states have internal predecessors, (247), 44 states have call successors, (44), 36 states have call predecessors, (44), 46 states have return successors, (60), 48 states have call predecessors, (60), 44 states have call successors, (60) [2023-12-25 06:02:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 351 transitions. [2023-12-25 06:02:15,590 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 351 transitions. Word has length 52 [2023-12-25 06:02:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:15,590 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 351 transitions. [2023-12-25 06:02:15,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,590 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 351 transitions. [2023-12-25 06:02:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-25 06:02:15,591 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:15,591 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:15,594 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 (9)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:15,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 06:02:15,794 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:15,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:15,794 INFO L85 PathProgramCache]: Analyzing trace with hash -181979698, now seen corresponding path program 1 times [2023-12-25 06:02:15,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:15,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1306478641] [2023-12-25 06:02:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:15,795 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 06:02:15,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:15,796 INFO L229 MonitoredProcess]: Starting monitored process 10 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 06:02:15,837 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 (10)] Waiting until timeout for monitored process [2023-12-25 06:02:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:15,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:02:15,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:15,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:02:15,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:15,879 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:15,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1306478641] [2023-12-25 06:02:15,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1306478641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:15,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:15,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:02:15,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266557657] [2023-12-25 06:02:15,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:15,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:02:15,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:15,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:02:15,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:02:15,880 INFO L87 Difference]: Start difference. First operand 290 states and 351 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:15,922 INFO L93 Difference]: Finished difference Result 669 states and 822 transitions. [2023-12-25 06:02:15,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:02:15,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2023-12-25 06:02:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:15,923 INFO L225 Difference]: With dead ends: 669 [2023-12-25 06:02:15,924 INFO L226 Difference]: Without dead ends: 381 [2023-12-25 06:02:15,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 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 06:02:15,925 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 30 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:15,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 172 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:02:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2023-12-25 06:02:15,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2023-12-25 06:02:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 264 states have (on average 1.2196969696969697) internal successors, (322), 283 states have internal predecessors, (322), 58 states have call successors, (58), 50 states have call predecessors, (58), 58 states have return successors, (75), 60 states have call predecessors, (75), 58 states have call successors, (75) [2023-12-25 06:02:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 455 transitions. [2023-12-25 06:02:15,944 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 455 transitions. Word has length 52 [2023-12-25 06:02:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:15,944 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 455 transitions. [2023-12-25 06:02:15,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-12-25 06:02:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 455 transitions. [2023-12-25 06:02:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-25 06:02:15,945 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:15,960 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:15,964 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 (10)] Ended with exit code 0 [2023-12-25 06:02:16,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 06:02:16,162 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:16,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:16,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1859272244, now seen corresponding path program 1 times [2023-12-25 06:02:16,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:16,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035594455] [2023-12-25 06:02:16,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:16,163 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 06:02:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:16,164 INFO L229 MonitoredProcess]: Starting monitored process 11 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 06:02:16,165 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 (11)] Waiting until timeout for monitored process [2023-12-25 06:02:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:16,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:02:16,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:02:16,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:16,318 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:16,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035594455] [2023-12-25 06:02:16,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035594455] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:16,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:16,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:02:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601772125] [2023-12-25 06:02:16,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:16,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:02:16,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:16,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:02:16,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:02:16,320 INFO L87 Difference]: Start difference. First operand 381 states and 455 transitions. Second operand has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:02:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:16,540 INFO L93 Difference]: Finished difference Result 744 states and 892 transitions. [2023-12-25 06:02:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:02:16,540 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 56 [2023-12-25 06:02:16,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:16,541 INFO L225 Difference]: With dead ends: 744 [2023-12-25 06:02:16,542 INFO L226 Difference]: Without dead ends: 365 [2023-12-25 06:02:16,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:02:16,543 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 69 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:16,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 528 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:02:16,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-12-25 06:02:16,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2023-12-25 06:02:16,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 253 states have (on average 1.2015810276679841) internal successors, (304), 271 states have internal predecessors, (304), 57 states have call successors, (57), 49 states have call predecessors, (57), 54 states have return successors, (67), 57 states have call predecessors, (67), 57 states have call successors, (67) [2023-12-25 06:02:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 428 transitions. [2023-12-25 06:02:16,594 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 428 transitions. Word has length 56 [2023-12-25 06:02:16,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:16,594 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 428 transitions. [2023-12-25 06:02:16,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-25 06:02:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 428 transitions. [2023-12-25 06:02:16,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-25 06:02:16,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:02:16,596 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:16,613 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 (11)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:16,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /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 06:02:16,799 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:02:16,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:02:16,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1202252865, now seen corresponding path program 1 times [2023-12-25 06:02:16,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:02:16,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [975875418] [2023-12-25 06:02:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:02:16,800 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 06:02:16,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:02:16,801 INFO L229 MonitoredProcess]: Starting monitored process 12 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 06:02:16,828 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 (12)] Waiting until timeout for monitored process [2023-12-25 06:02:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:02:16,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:02:16,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:02:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-25 06:02:16,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:02:16,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:02:16,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [975875418] [2023-12-25 06:02:16,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [975875418] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:02:16,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:02:16,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:02:16,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141379096] [2023-12-25 06:02:16,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:02:16,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:02:16,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:02:16,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:02:16,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:02:16,938 INFO L87 Difference]: Start difference. First operand 365 states and 428 transitions. Second operand has 8 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 06:02:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:02:17,080 INFO L93 Difference]: Finished difference Result 594 states and 702 transitions. [2023-12-25 06:02:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:02:17,081 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 103 [2023-12-25 06:02:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:02:17,081 INFO L225 Difference]: With dead ends: 594 [2023-12-25 06:02:17,081 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:02:17,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-25 06:02:17,083 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 58 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:02:17,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 744 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:02:17,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:02:17,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:02:17,084 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 06:02:17,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:02:17,084 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2023-12-25 06:02:17,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:02:17,084 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:02:17,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-25 06:02:17,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:02:17,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:02:17,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:02:17,092 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 (12)] Forceful destruction successful, exit code 0 [2023-12-25 06:02:17,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /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 06:02:17,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:02:18,486 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 919 926) no Hoare annotation was computed. [2023-12-25 06:02:18,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 919 926) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2023-12-25 06:02:18,487 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 809 815) no Hoare annotation was computed. [2023-12-25 06:02:18,487 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 809 815) the Hoare annotation is: true [2023-12-25 06:02:18,487 INFO L895 garLoopResultBuilder]: At program point L857(line 857) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2023-12-25 06:02:18,487 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2023-12-25 06:02:18,487 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 859) no Hoare annotation was computed. [2023-12-25 06:02:18,487 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2023-12-25 06:02:18,487 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 843 867) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:02:18,488 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse2 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 (not .cse1) (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse3 .cse2) (or .cse0 .cse3 .cse1))) [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point L862-1(lines 843 867) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point L1011(lines 1011 1015) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point L1011-2(lines 1011 1015) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 843 867) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 703 714) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or (not (= (_ bv0 32) ~pumpRunning~0)) .cse0 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv1 32))) (or .cse0 (= ~methaneLevelCritical~0 (_ bv0 32)) (not (= |old(~methaneLevelCritical~0)| (_ bv0 32)))))) [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 703 714) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 703 714) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L899 garLoopResultBuilder]: For program point L796-1(lines 796 802) no Hoare annotation was computed. [2023-12-25 06:02:18,488 INFO L895 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and (not (= |old(~pumpRunning~0)| (_ bv0 32))) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:02:18,489 INFO L895 garLoopResultBuilder]: At program point L879(line 879) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (and .cse1 .cse2 (= |timeShift_processEnvironment_~tmp~8#1| (_ bv1 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or (and .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:02:18,489 INFO L895 garLoopResultBuilder]: At program point L875(line 875) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or (and .cse3 .cse1) .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L875-1(line 875) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (let ((.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (and (= |old(~pumpRunning~0)| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse0 .cse4 .cse5))) [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 869 893) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L789-1(lines 788 807) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-12-25 06:02:18,489 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 785 808) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse4 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse4 .cse5 .cse6 .cse2))) [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 885) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 687) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 785 808) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L683-2(lines 679 690) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 890) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 567) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse0 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (not (= ~systemActive~0 (_ bv1 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse2 .cse5 .cse1))) [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L119(lines 94 123) no Hoare annotation was computed. [2023-12-25 06:02:18,490 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point L108(lines 108 112) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L902 garLoopResultBuilder]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2023-12-25 06:02:18,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 94 123) the Hoare annotation is: true [2023-12-25 06:02:18,491 INFO L902 garLoopResultBuilder]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2023-12-25 06:02:18,491 INFO L902 garLoopResultBuilder]: At program point L100(line 100) the Hoare annotation is: true [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point L100-1(line 100) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 715 723) the Hoare annotation is: true [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 715 723) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L895 garLoopResultBuilder]: At program point L663(lines 616 664) the Hoare annotation is: false [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point L618(lines 617 662) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point L647(lines 647 658) no Hoare annotation was computed. [2023-12-25 06:02:18,491 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2023-12-25 06:02:18,491 INFO L895 garLoopResultBuilder]: At program point L660(lines 617 662) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2023-12-25 06:02:18,491 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 657) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L895 garLoopResultBuilder]: At program point L653-2(lines 647 658) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 643) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L666(lines 607 670) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 190) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv1 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 (= (_ bv0 32) ~pumpRunning~0)) (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1))) [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L183-2(lines 183 190) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 766) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 915) no Hoare annotation was computed. [2023-12-25 06:02:18,492 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| (_ bv0 32)))) (let ((.cse5 (= (_ bv0 32) ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse3 (not .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse3 .cse4 .cse2)))) [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L909-2(lines 902 918) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 817 841) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv1 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) (= (_ bv0 32) ~pumpRunning~0)))) [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 756 769) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L992(lines 992 996) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L895 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (= |old(~pumpRunning~0)| (_ bv0 32)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not .cse3) .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse2 .cse3))) [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L992-2(lines 992 996) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 817 841) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L825(lines 825 833) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 838) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L895 garLoopResultBuilder]: At program point L836(line 836) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2023-12-25 06:02:18,493 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 691 702) no Hoare annotation was computed. [2023-12-25 06:02:18,494 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 691 702) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 (_ bv1 32)))) (.cse2 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse3))) [2023-12-25 06:02:18,494 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 691 702) no Hoare annotation was computed. [2023-12-25 06:02:18,494 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 927 937) no Hoare annotation was computed. [2023-12-25 06:02:18,494 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 927 937) the Hoare annotation is: true [2023-12-25 06:02:18,494 INFO L902 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: true [2023-12-25 06:02:18,494 INFO L899 garLoopResultBuilder]: For program point L932-1(line 932) no Hoare annotation was computed. [2023-12-25 06:02:18,496 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:02:18,497 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:02:18,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:18 BoogieIcfgContainer [2023-12-25 06:02:18,509 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:02:18,510 INFO L158 Benchmark]: Toolchain (without parser) took 7773.40ms. Allocated memory was 191.9MB in the beginning and 284.2MB in the end (delta: 92.3MB). Free memory was 137.4MB in the beginning and 221.8MB in the end (delta: -84.4MB). Peak memory consumption was 112.2MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,510 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 191.9MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:02:18,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.42ms. Allocated memory is still 191.9MB. Free memory was 136.9MB in the beginning and 110.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.73ms. Allocated memory is still 191.9MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,510 INFO L158 Benchmark]: Boogie Preprocessor took 66.35ms. Allocated memory is still 191.9MB. Free memory was 108.0MB in the beginning and 105.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,511 INFO L158 Benchmark]: RCFGBuilder took 640.99ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 105.5MB in the beginning and 190.9MB in the end (delta: -85.4MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,511 INFO L158 Benchmark]: TraceAbstraction took 6539.30ms. Allocated memory was 230.7MB in the beginning and 284.2MB in the end (delta: 53.5MB). Free memory was 190.3MB in the beginning and 221.8MB in the end (delta: -31.5MB). Peak memory consumption was 125.3MB. Max. memory is 8.0GB. [2023-12-25 06:02:18,512 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 191.9MB. Free memory is still 142.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 436.42ms. Allocated memory is still 191.9MB. Free memory was 136.9MB in the beginning and 110.6MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.73ms. Allocated memory is still 191.9MB. Free memory was 110.1MB in the beginning and 108.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.35ms. Allocated memory is still 191.9MB. Free memory was 108.0MB in the beginning and 105.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 640.99ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 105.5MB in the beginning and 190.9MB in the end (delta: -85.4MB). Peak memory consumption was 32.0MB. Max. memory is 8.0GB. * TraceAbstraction took 6539.30ms. Allocated memory was 230.7MB in the beginning and 284.2MB in the end (delta: 53.5MB). Free memory was 190.3MB in the beginning and 221.8MB in the end (delta: -31.5MB). Peak memory consumption was 125.3MB. 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [91] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [196] - GenericResultAtLocation [Line: 562]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [562] - GenericResultAtLocation [Line: 571]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [571] - GenericResultAtLocation [Line: 606]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [606] - GenericResultAtLocation [Line: 671]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [671] - GenericResultAtLocation [Line: 779]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [779] * 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: 567]: 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 11 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 628 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 609 mSDsluCounter, 3195 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2065 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1035 IncrementalHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 1130 mSDtfsCounter, 1035 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=381occurred in iteration=9, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 30 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 912 PreInvPairs, 961 NumberOfFragments, 834 HoareAnnotationTreeSize, 912 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FormulaSimplificationsInter, 2090 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 892 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1295 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 48/48 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: 617]: Loop Invariant Derived loop invariant: (((((systemActive == 1) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((methaneLevelCritical == 0) && (systemActive == 1)) && (splverifierCounter == 0))) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:02:18,594 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...