/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_spec1_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:01:08,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:01:08,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:01:08,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:01:08,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:01:08,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:01:08,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:01:08,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:01:08,940 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:01:08,943 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:01:08,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:01:08,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:01:08,944 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:01:08,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:01:08,945 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:01:08,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:01:08,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:01:08,945 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:01:08,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:01:08,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:01:08,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:01:08,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:01:08,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:01:08,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:01:08,948 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:01:08,948 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:01:08,948 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:01:08,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:01:08,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:08,949 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:01:08,949 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:01:08,949 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:01:08,949 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:01:08,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:01:08,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:01:08,950 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:01:09,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:01:09,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:01:09,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:01:09,149 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:01:09,152 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:01:09,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2023-12-25 06:01:10,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:01:10,416 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:01:10,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product64.cil.c [2023-12-25 06:01:10,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1380d6fc4/262d8965ec10492b9e253c2c4d34216d/FLAG4d1d38033 [2023-12-25 06:01:10,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1380d6fc4/262d8965ec10492b9e253c2c4d34216d [2023-12-25 06:01:10,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:01:10,444 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:01:10,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:10,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:01:10,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:01:10,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:10,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516a13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10, skipping insertion in model container [2023-12-25 06:01:10,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:10,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:10,627 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_spec1_product64.cil.c[1605,1618] [2023-12-25 06:01:10,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:10,792 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:01:10,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:01:10,811 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_spec1_product64.cil.c[1605,1618] [2023-12-25 06:01:10,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:10,865 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:01:10,873 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] [2023-12-25 06:01:10,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] [2023-12-25 06:01:10,876 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] [2023-12-25 06:01:10,879 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_spec1_product64.cil.c[1605,1618] [2023-12-25 06:01:10,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:01:10,973 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:01:10,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10 WrapperNode [2023-12-25 06:01:10,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:01:10,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:10,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:01:10,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:01:10,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,042 INFO L138 Inliner]: procedures = 61, calls = 107, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 210 [2023-12-25 06:01:11,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:01:11,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:01:11,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:01:11,043 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:01:11,052 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,066 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,098 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-25 06:01:11,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:01:11,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:01:11,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:01:11,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:01:11,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (1/1) ... [2023-12-25 06:01:11,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:01:11,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:01:11,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-25 06:01:11,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-25 06:01:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:01:11,232 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-25 06:01:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-25 06:01:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:01:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:01:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:01:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:01:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-25 06:01:11,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-25 06:01:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:11,234 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-25 06:01:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:01:11,235 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:01:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:01:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:01:11,237 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-25 06:01:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-25 06:01:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-25 06:01:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-25 06:01:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-25 06:01:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:01:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:01:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:01:11,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:01:11,342 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:01:11,344 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:01:11,593 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:01:11,673 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:01:11,673 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:01:11,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:11 BoogieIcfgContainer [2023-12-25 06:01:11,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:01:11,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:01:11,676 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:01:11,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:01:11,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:01:10" (1/3) ... [2023-12-25 06:01:11,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc51e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:11, skipping insertion in model container [2023-12-25 06:01:11,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:01:10" (2/3) ... [2023-12-25 06:01:11,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dc51e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:01:11, skipping insertion in model container [2023-12-25 06:01:11,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:01:11" (3/3) ... [2023-12-25 06:01:11,681 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64.cil.c [2023-12-25 06:01:11,698 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:01:11,698 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:01:11,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:01:11,758 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;@30275142, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:01:11,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:01:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 60 states have (on average 1.5) internal successors, (90), 71 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-25 06:01:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-25 06:01:11,771 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:11,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:11,772 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:11,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash 781034755, now seen corresponding path program 1 times [2023-12-25 06:01:11,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:11,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259415387] [2023-12-25 06:01:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:11,788 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:11,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:11,816 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:11,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-25 06:01:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:11,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:01:11,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:11,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:11,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:11,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259415387] [2023-12-25 06:01:11,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259415387] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:11,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:11,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:11,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130235629] [2023-12-25 06:01:11,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:11,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:01:11,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:11,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:01:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:11,978 INFO L87 Difference]: Start difference. First operand has 91 states, 60 states have (on average 1.5) internal successors, (90), 71 states have internal predecessors, (90), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:12,079 INFO L93 Difference]: Finished difference Result 180 states and 257 transitions. [2023-12-25 06:01:12,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:01:12,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-12-25 06:01:12,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:12,092 INFO L225 Difference]: With dead ends: 180 [2023-12-25 06:01:12,092 INFO L226 Difference]: Without dead ends: 86 [2023-12-25 06:01:12,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:01:12,097 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:12,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:12,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-25 06:01:12,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-12-25 06:01:12,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 67 states have internal predecessors, (80), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-25 06:01:12,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 117 transitions. [2023-12-25 06:01:12,125 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 117 transitions. Word has length 16 [2023-12-25 06:01:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:12,125 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 117 transitions. [2023-12-25 06:01:12,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2023-12-25 06:01:12,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-25 06:01:12,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:12,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:12,132 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 06:01:12,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:12,332 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:12,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 780605561, now seen corresponding path program 1 times [2023-12-25 06:01:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:12,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1480264677] [2023-12-25 06:01:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:12,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:12,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:12,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:12,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-25 06:01:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:12,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:12,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:12,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:12,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:12,408 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:12,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1480264677] [2023-12-25 06:01:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1480264677] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:12,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494063482] [2023-12-25 06:01:12,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:12,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:12,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:12,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:12,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:12,413 INFO L87 Difference]: Start difference. First operand 86 states and 117 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:12,467 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2023-12-25 06:01:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:12,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-25 06:01:12,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:12,470 INFO L225 Difference]: With dead ends: 142 [2023-12-25 06:01:12,470 INFO L226 Difference]: Without dead ends: 78 [2023-12-25 06:01:12,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:12,474 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 14 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:12,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 168 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:12,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-25 06:01:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-25 06:01:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 62 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-25 06:01:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 106 transitions. [2023-12-25 06:01:12,505 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 106 transitions. Word has length 17 [2023-12-25 06:01:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:12,505 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 106 transitions. [2023-12-25 06:01:12,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2023-12-25 06:01:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-25 06:01:12,506 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:12,506 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] [2023-12-25 06:01:12,512 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 06:01:12,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:12,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:12,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1406408527, now seen corresponding path program 1 times [2023-12-25 06:01:12,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:12,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253265723] [2023-12-25 06:01:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:12,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:12,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:12,712 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:12,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-25 06:01:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:12,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:12,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:12,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:12,780 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:12,782 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:12,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253265723] [2023-12-25 06:01:12,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253265723] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:12,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:12,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201153174] [2023-12-25 06:01:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:12,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:12,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:12,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:12,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:12,787 INFO L87 Difference]: Start difference. First operand 78 states and 106 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:12,858 INFO L93 Difference]: Finished difference Result 230 states and 315 transitions. [2023-12-25 06:01:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:12,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2023-12-25 06:01:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:12,866 INFO L225 Difference]: With dead ends: 230 [2023-12-25 06:01:12,866 INFO L226 Difference]: Without dead ends: 154 [2023-12-25 06:01:12,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:12,868 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 100 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 195 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 06:01:12,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 195 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-25 06:01:12,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 151. [2023-12-25 06:01:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.43) internal successors, (143), 119 states have internal predecessors, (143), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-25 06:01:12,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 207 transitions. [2023-12-25 06:01:12,887 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 207 transitions. Word has length 20 [2023-12-25 06:01:12,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:12,888 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 207 transitions. [2023-12-25 06:01:12,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:12,888 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 207 transitions. [2023-12-25 06:01:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:01:12,889 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:12,889 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] [2023-12-25 06:01:12,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-25 06:01:13,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:13,095 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:13,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:13,095 INFO L85 PathProgramCache]: Analyzing trace with hash -1693407605, now seen corresponding path program 1 times [2023-12-25 06:01:13,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:13,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1856290900] [2023-12-25 06:01:13,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:13,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:13,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:13,098 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:13,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-25 06:01:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:13,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:13,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:13,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:13,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1856290900] [2023-12-25 06:01:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1856290900] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:13,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:01:13,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701524269] [2023-12-25 06:01:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:13,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:01:13,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:01:13,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:01:13,206 INFO L87 Difference]: Start difference. First operand 151 states and 207 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:13,324 INFO L93 Difference]: Finished difference Result 447 states and 620 transitions. [2023-12-25 06:01:13,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-25 06:01:13,339 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-12-25 06:01:13,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:13,343 INFO L225 Difference]: With dead ends: 447 [2023-12-25 06:01:13,343 INFO L226 Difference]: Without dead ends: 298 [2023-12-25 06:01:13,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:13,347 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 81 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:13,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 419 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:13,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-12-25 06:01:13,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 296. [2023-12-25 06:01:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 195 states have (on average 1.4102564102564104) internal successors, (275), 232 states have internal predecessors, (275), 64 states have call successors, (64), 36 states have call predecessors, (64), 36 states have return successors, (66), 42 states have call predecessors, (66), 64 states have call successors, (66) [2023-12-25 06:01:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 405 transitions. [2023-12-25 06:01:13,383 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 405 transitions. Word has length 23 [2023-12-25 06:01:13,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:13,383 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 405 transitions. [2023-12-25 06:01:13,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-25 06:01:13,383 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 405 transitions. [2023-12-25 06:01:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-25 06:01:13,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:13,385 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] [2023-12-25 06:01:13,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:13,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:13,588 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:13,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1269311559, now seen corresponding path program 1 times [2023-12-25 06:01:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:13,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [187059068] [2023-12-25 06:01:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:13,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:13,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:13,590 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-25 06:01:13,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-25 06:01:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:13,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:01:13,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:13,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:01:13,681 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:13,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:13,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [187059068] [2023-12-25 06:01:13,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [187059068] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:13,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:13,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:13,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084347560] [2023-12-25 06:01:13,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:13,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:13,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:13,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:13,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:13,683 INFO L87 Difference]: Start difference. First operand 296 states and 405 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:13,787 INFO L93 Difference]: Finished difference Result 776 states and 1076 transitions. [2023-12-25 06:01:13,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-25 06:01:13,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-12-25 06:01:13,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:13,791 INFO L225 Difference]: With dead ends: 776 [2023-12-25 06:01:13,791 INFO L226 Difference]: Without dead ends: 482 [2023-12-25 06:01:13,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 06:01:13,793 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 55 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:13,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 237 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:13,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2023-12-25 06:01:13,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2023-12-25 06:01:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 323 states have (on average 1.328173374613003) internal successors, (429), 360 states have internal predecessors, (429), 84 states have call successors, (84), 68 states have call predecessors, (84), 68 states have return successors, (112), 74 states have call predecessors, (112), 84 states have call successors, (112) [2023-12-25 06:01:13,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2023-12-25 06:01:13,852 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 27 [2023-12-25 06:01:13,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:13,852 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2023-12-25 06:01:13,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:01:13,853 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2023-12-25 06:01:13,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-25 06:01:13,860 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:13,860 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] [2023-12-25 06:01:13,864 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 06:01:14,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:14,063 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:14,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1390510887, now seen corresponding path program 1 times [2023-12-25 06:01:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:14,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426333728] [2023-12-25 06:01:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:14,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:14,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:14,065 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 06:01:14,091 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 06:01:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:14,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:14,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:14,185 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 06:01:14,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:14,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:14,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426333728] [2023-12-25 06:01:14,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426333728] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:14,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:14,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:01:14,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574479521] [2023-12-25 06:01:14,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:14,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:14,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:14,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:14,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:14,187 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 06:01:14,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:14,262 INFO L93 Difference]: Finished difference Result 1312 states and 1761 transitions. [2023-12-25 06:01:14,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:14,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 51 [2023-12-25 06:01:14,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:14,266 INFO L225 Difference]: With dead ends: 1312 [2023-12-25 06:01:14,266 INFO L226 Difference]: Without dead ends: 838 [2023-12-25 06:01:14,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:14,267 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 52 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:14,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 176 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:14,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2023-12-25 06:01:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 828. [2023-12-25 06:01:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 571 states have (on average 1.2942206654991244) internal successors, (739), 622 states have internal predecessors, (739), 138 states have call successors, (138), 118 states have call predecessors, (138), 118 states have return successors, (194), 128 states have call predecessors, (194), 138 states have call successors, (194) [2023-12-25 06:01:14,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1071 transitions. [2023-12-25 06:01:14,306 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1071 transitions. Word has length 51 [2023-12-25 06:01:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:14,306 INFO L495 AbstractCegarLoop]: Abstraction has 828 states and 1071 transitions. [2023-12-25 06:01:14,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 06:01:14,306 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1071 transitions. [2023-12-25 06:01:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-25 06:01:14,308 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:14,308 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] [2023-12-25 06:01:14,312 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 (7)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:14,510 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 06:01:14,510 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:14,511 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:14,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1899983977, now seen corresponding path program 1 times [2023-12-25 06:01:14,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:14,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1321963225] [2023-12-25 06:01:14,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:14,511 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:14,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:14,512 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 06:01:14,513 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 06:01:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:14,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:14,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:14,588 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 06:01:14,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:14,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:14,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1321963225] [2023-12-25 06:01:14,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1321963225] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:14,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:14,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:14,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105980125] [2023-12-25 06:01:14,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:14,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:14,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:14,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:14,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:14,590 INFO L87 Difference]: Start difference. First operand 828 states and 1071 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:01:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:14,673 INFO L93 Difference]: Finished difference Result 1686 states and 2272 transitions. [2023-12-25 06:01:14,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:14,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 51 [2023-12-25 06:01:14,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:14,677 INFO L225 Difference]: With dead ends: 1686 [2023-12-25 06:01:14,677 INFO L226 Difference]: Without dead ends: 860 [2023-12-25 06:01:14,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 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 06:01:14,679 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 2 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:14,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 270 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2023-12-25 06:01:14,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 844. [2023-12-25 06:01:14,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 587 states have (on average 1.2862010221465077) internal successors, (755), 638 states have internal predecessors, (755), 138 states have call successors, (138), 118 states have call predecessors, (138), 118 states have return successors, (194), 128 states have call predecessors, (194), 138 states have call successors, (194) [2023-12-25 06:01:14,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1087 transitions. [2023-12-25 06:01:14,718 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1087 transitions. Word has length 51 [2023-12-25 06:01:14,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:14,718 INFO L495 AbstractCegarLoop]: Abstraction has 844 states and 1087 transitions. [2023-12-25 06:01:14,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:01:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1087 transitions. [2023-12-25 06:01:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-25 06:01:14,720 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:14,720 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] [2023-12-25 06:01:14,726 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 (8)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:14,922 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 06:01:14,923 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:14,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:14,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1962023591, now seen corresponding path program 1 times [2023-12-25 06:01:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:14,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5112666] [2023-12-25 06:01:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:14,924 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:14,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:14,925 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 06:01:14,927 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 06:01:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:14,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-25 06:01:14,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:15,006 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 06:01:15,007 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:15,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:15,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5112666] [2023-12-25 06:01:15,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5112666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:15,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:15,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-25 06:01:15,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463605610] [2023-12-25 06:01:15,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:15,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-25 06:01:15,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:15,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-25 06:01:15,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-25 06:01:15,009 INFO L87 Difference]: Start difference. First operand 844 states and 1087 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:01:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:15,077 INFO L93 Difference]: Finished difference Result 1540 states and 2048 transitions. [2023-12-25 06:01:15,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-25 06:01:15,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 51 [2023-12-25 06:01:15,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:15,081 INFO L225 Difference]: With dead ends: 1540 [2023-12-25 06:01:15,081 INFO L226 Difference]: Without dead ends: 698 [2023-12-25 06:01:15,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 06:01:15,084 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 6 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:15,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 269 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2023-12-25 06:01:15,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 678. [2023-12-25 06:01:15,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 473 states have (on average 1.27061310782241) internal successors, (601), 514 states have internal predecessors, (601), 112 states have call successors, (112), 96 states have call predecessors, (112), 92 states have return successors, (142), 98 states have call predecessors, (142), 112 states have call successors, (142) [2023-12-25 06:01:15,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 855 transitions. [2023-12-25 06:01:15,115 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 855 transitions. Word has length 51 [2023-12-25 06:01:15,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:15,115 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 855 transitions. [2023-12-25 06:01:15,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 06:01:15,115 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 855 transitions. [2023-12-25 06:01:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-25 06:01:15,118 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:15,118 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] [2023-12-25 06:01:15,128 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 06:01:15,320 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 06:01:15,321 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:15,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -749023297, now seen corresponding path program 1 times [2023-12-25 06:01:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:15,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826201647] [2023-12-25 06:01:15,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:15,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:15,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:15,323 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 06:01:15,326 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 06:01:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:15,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:01:15,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:15,475 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 06:01:15,475 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:15,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:15,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826201647] [2023-12-25 06:01:15,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826201647] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:15,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:15,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:01:15,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466502088] [2023-12-25 06:01:15,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:15,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:01:15,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:15,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:01:15,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:15,478 INFO L87 Difference]: Start difference. First operand 678 states and 855 transitions. Second operand has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 06:01:15,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:15,707 INFO L93 Difference]: Finished difference Result 1352 states and 1712 transitions. [2023-12-25 06:01:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:01:15,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 55 [2023-12-25 06:01:15,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:15,711 INFO L225 Difference]: With dead ends: 1352 [2023-12-25 06:01:15,712 INFO L226 Difference]: Without dead ends: 676 [2023-12-25 06:01:15,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 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 06:01:15,714 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 73 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:15,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 586 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-25 06:01:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2023-12-25 06:01:15,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2023-12-25 06:01:15,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 471 states have (on average 1.2547770700636942) internal successors, (591), 510 states have internal predecessors, (591), 112 states have call successors, (112), 96 states have call predecessors, (112), 92 states have return successors, (130), 98 states have call predecessors, (130), 112 states have call successors, (130) [2023-12-25 06:01:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 833 transitions. [2023-12-25 06:01:15,761 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 833 transitions. Word has length 55 [2023-12-25 06:01:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:15,761 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 833 transitions. [2023-12-25 06:01:15,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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 06:01:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 833 transitions. [2023-12-25 06:01:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-25 06:01:15,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:15,764 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-25 06:01:15,781 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 (10)] Forceful destruction successful, exit code 0 [2023-12-25 06:01:15,967 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 06:01:15,967 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:15,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:15,968 INFO L85 PathProgramCache]: Analyzing trace with hash -238775593, now seen corresponding path program 1 times [2023-12-25 06:01:15,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:15,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1206269658] [2023-12-25 06:01:15,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:15,972 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 06:01:15,973 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 06:01:16,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:16,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:01:16,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:16,117 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:01:16,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:16,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:16,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1206269658] [2023-12-25 06:01:16,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1206269658] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:16,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:16,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:01:16,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654512530] [2023-12-25 06:01:16,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:16,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:01:16,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:16,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:01:16,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:16,119 INFO L87 Difference]: Start difference. First operand 676 states and 833 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:16,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:16,191 INFO L93 Difference]: Finished difference Result 1464 states and 1817 transitions. [2023-12-25 06:01:16,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:01:16,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 79 [2023-12-25 06:01:16,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:16,207 INFO L225 Difference]: With dead ends: 1464 [2023-12-25 06:01:16,208 INFO L226 Difference]: Without dead ends: 790 [2023-12-25 06:01:16,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:01:16,209 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 51 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:16,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 130 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:01:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-12-25 06:01:16,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 782. [2023-12-25 06:01:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 547 states have (on average 1.2522851919561244) internal successors, (685), 592 states have internal predecessors, (685), 128 states have call successors, (128), 112 states have call predecessors, (128), 106 states have return successors, (151), 112 states have call predecessors, (151), 128 states have call successors, (151) [2023-12-25 06:01:16,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 964 transitions. [2023-12-25 06:01:16,289 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 964 transitions. Word has length 79 [2023-12-25 06:01:16,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:16,289 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 964 transitions. [2023-12-25 06:01:16,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-12-25 06:01:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 964 transitions. [2023-12-25 06:01:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-25 06:01:16,292 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:01:16,293 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] [2023-12-25 06:01:16,307 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 06:01:16,496 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 06:01:16,496 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:01:16,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:01:16,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1800780571, now seen corresponding path program 1 times [2023-12-25 06:01:16,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:01:16,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1114640452] [2023-12-25 06:01:16,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:01:16,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-25 06:01:16,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:01:16,499 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 06:01:16,501 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 06:01:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:01:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-25 06:01:16,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:01:16,626 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 06:01:16,626 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:01:16,626 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:01:16,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1114640452] [2023-12-25 06:01:16,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1114640452] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:01:16,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:01:16,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-25 06:01:16,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550214627] [2023-12-25 06:01:16,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:01:16,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-25 06:01:16,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:01:16,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-25 06:01:16,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:01:16,628 INFO L87 Difference]: Start difference. First operand 782 states and 964 transitions. Second operand has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 06:01:16,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:01:16,806 INFO L93 Difference]: Finished difference Result 1249 states and 1555 transitions. [2023-12-25 06:01:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-25 06:01:16,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 102 [2023-12-25 06:01:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:01:16,808 INFO L225 Difference]: With dead ends: 1249 [2023-12-25 06:01:16,808 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:01:16,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 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 06:01:16,811 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 64 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:01:16,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 686 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:01:16,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:01:16,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:01:16,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-25 06:01:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:01:16,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2023-12-25 06:01:16,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:01:16,812 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:01:16,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 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 06:01:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:01:16,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:01:16,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:01:16,835 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 06:01:17,019 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 06:01:17,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:01:18,718 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2023-12-25 06:01:18,719 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 737 744) the Hoare annotation is: true [2023-12-25 06:01:18,719 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 627 633) no Hoare annotation was computed. [2023-12-25 06:01:18,719 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 627 633) the Hoare annotation is: true [2023-12-25 06:01:18,719 INFO L895 garLoopResultBuilder]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,719 INFO L899 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2023-12-25 06:01:18,719 INFO L899 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2023-12-25 06:01:18,719 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 661 685) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2023-12-25 06:01:18,719 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse1))) [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L680-1(lines 661 685) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L829(lines 829 833) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L829-2(lines 829 833) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 661 685) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L895 garLoopResultBuilder]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 890 901) the Hoare annotation is: (let ((.cse2 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (not (= |old(~methaneLevelCritical~0)| (_ bv0 32))))) (and (or (= ~systemActive~0 (_ bv0 32)) .cse0 .cse1) (or .cse2 (not (= |old(~methaneLevelCritical~0)| (_ bv1 32))) (= ~methaneLevelCritical~0 (_ bv1 32))) (or .cse2 .cse0 .cse1))) [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 874) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 614 620) no Hoare annotation was computed. [2023-12-25 06:01:18,720 INFO L899 garLoopResultBuilder]: For program point L870-2(lines 866 877) no Hoare annotation was computed. [2023-12-25 06:01:18,723 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1) (or (= ~systemActive~0 (_ bv0 32)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,723 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or (= ~systemActive~0 (_ bv0 32)) (= |timeShift_processEnvironment_~tmp~7#1| (_ bv1 32)) .cse1))) [2023-12-25 06:01:18,723 INFO L895 garLoopResultBuilder]: At program point L693(line 693) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,723 INFO L899 garLoopResultBuilder]: For program point L693-1(line 693) no Hoare annotation was computed. [2023-12-25 06:01:18,723 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 117) no Hoare annotation was computed. [2023-12-25 06:01:18,723 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 120) no Hoare annotation was computed. [2023-12-25 06:01:18,723 INFO L899 garLoopResultBuilder]: For program point L107-1(lines 99 123) no Hoare annotation was computed. [2023-12-25 06:01:18,723 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 (_ bv0 32)))) (let ((.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse6 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (and (not .cse3) (= (_ bv0 32) ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse3 .cse1 .cse2)))) [2023-12-25 06:01:18,723 INFO L899 garLoopResultBuilder]: For program point L706-1(lines 687 711) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 606 625) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 603 626) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse3 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse4 (= ~waterLevel~0 (_ bv1 32))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or .cse0 .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 (_ bv1 32))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse5 (= ~systemActive~0 (_ bv0 32))) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2) (or .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse3 (not .cse5) .cse6) (or .cse0 .cse4 .cse6))) [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 493 522) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-12-25 06:01:18,724 INFO L902 garLoopResultBuilder]: At program point L507-1(lines 507 511) the Hoare annotation is: true [2023-12-25 06:01:18,724 INFO L902 garLoopResultBuilder]: At program point L503-2(lines 503 517) the Hoare annotation is: true [2023-12-25 06:01:18,724 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2023-12-25 06:01:18,724 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 493 522) the Hoare annotation is: true [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L518(lines 493 522) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L514(line 514) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 902 910) the Hoare annotation is: true [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L845(line 845) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and (= ~methaneLevelCritical~0 (_ bv0 32)) .cse0 .cse1) (and (= ~methaneLevelCritical~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L1027(lines 976 1028) the Hoare annotation is: false [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1021) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L1015-2(lines 1007 1022) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 (_ bv1 32))) (.cse1 (not (= ~systemActive~0 (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse3) (and .cse4 .cse2 .cse3) (and .cse4 .cse1 .cse2))) [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L978(lines 977 1026) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L1007(lines 1007 1022) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 585) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:01:18,725 INFO L895 garLoopResultBuilder]: At program point L1024(lines 977 1026) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 (_ bv0 32))) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (not (= ~systemActive~0 (_ bv0 32))) .cse1) (and .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 (_ bv1 32)) .cse1 .cse2))) [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L578-2(lines 578 585) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L987(lines 987 993) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 849) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L843-1(lines 843 849) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L1030(lines 967 1034) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L997-1(lines 997 1003) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 733) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (let ((.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse5 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L727-2(lines 720 736) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L725-1(line 725) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 814) no Hoare annotation was computed. [2023-12-25 06:01:18,726 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 635 659) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32))) .cse2))) [2023-12-25 06:01:18,726 INFO L895 garLoopResultBuilder]: At program point L649(line 649) the Hoare annotation is: (let ((.cse2 (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| (_ bv1 32))) (.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32)))) (.cse3 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (.cse6 (not (= ~waterLevel~0 (_ bv1 32))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse6) (or .cse0 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse3 .cse6))) [2023-12-25 06:01:18,726 INFO L899 garLoopResultBuilder]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 651) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 943 956) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 656) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 635 659) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L895 garLoopResultBuilder]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 (_ bv0 32))) (.cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32)))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L654-1(lines 635 659) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 889) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (.cse2 (= ~waterLevel~0 (_ bv1 32)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv1 32))) .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-25 06:01:18,727 INFO L902 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: true [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2023-12-25 06:01:18,727 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 755) the Hoare annotation is: true [2023-12-25 06:01:18,729 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:01:18,730 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:01:18,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:01:18 BoogieIcfgContainer [2023-12-25 06:01:18,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:01:18,741 INFO L158 Benchmark]: Toolchain (without parser) took 8299.08ms. Allocated memory was 191.9MB in the beginning and 312.5MB in the end (delta: 120.6MB). Free memory was 132.8MB in the beginning and 184.7MB in the end (delta: -51.9MB). Peak memory consumption was 158.8MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,741 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:01:18,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.25ms. Allocated memory was 191.9MB in the beginning and 237.0MB in the end (delta: 45.1MB). Free memory was 132.5MB in the beginning and 202.5MB in the end (delta: -70.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.38ms. Allocated memory is still 237.0MB. Free memory was 202.5MB in the beginning and 200.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,741 INFO L158 Benchmark]: Boogie Preprocessor took 87.55ms. Allocated memory is still 237.0MB. Free memory was 200.4MB in the beginning and 197.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,742 INFO L158 Benchmark]: RCFGBuilder took 542.70ms. Allocated memory is still 237.0MB. Free memory was 197.8MB in the beginning and 166.8MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,742 INFO L158 Benchmark]: TraceAbstraction took 7064.58ms. Allocated memory was 237.0MB in the beginning and 312.5MB in the end (delta: 75.5MB). Free memory was 166.3MB in the beginning and 184.7MB in the end (delta: -18.4MB). Peak memory consumption was 146.2MB. Max. memory is 8.0GB. [2023-12-25 06:01:18,743 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 191.9MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 528.25ms. Allocated memory was 191.9MB in the beginning and 237.0MB in the end (delta: 45.1MB). Free memory was 132.5MB in the beginning and 202.5MB in the end (delta: -70.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.38ms. Allocated memory is still 237.0MB. Free memory was 202.5MB in the beginning and 200.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 87.55ms. Allocated memory is still 237.0MB. Free memory was 200.4MB in the beginning and 197.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 542.70ms. Allocated memory is still 237.0MB. Free memory was 197.8MB in the beginning and 166.8MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7064.58ms. Allocated memory was 237.0MB in the beginning and 312.5MB in the end (delta: 75.5MB). Free memory was 166.3MB in the beginning and 184.7MB in the end (delta: -18.4MB). Peak memory consumption was 146.2MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [58] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [96] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [124] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [490] - GenericResultAtLocation [Line: 591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [591] - GenericResultAtLocation [Line: 862]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [862] - GenericResultAtLocation [Line: 966]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [966] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 511 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 498 mSDsluCounter, 3242 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2079 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 888 IncrementalHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1163 mSDtfsCounter, 888 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=844occurred in iteration=7, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 65 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 2092 PreInvPairs, 2217 NumberOfFragments, 857 HoareAnnotationTreeSize, 2092 FormulaSimplifications, 432 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FormulaSimplificationsInter, 5552 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 492 NumberOfCodeBlocks, 492 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 921 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 69/69 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: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 0) && !((systemActive == 0))) && (splverifierCounter == 0)) || (((methaneLevelCritical == 0) && (splverifierCounter == 0)) && (0 == pumpRunning))) || (((methaneLevelCritical == 1) && (splverifierCounter == 0)) && (0 == pumpRunning))) RESULT: Ultimate proved your program to be correct! [2023-12-25 06:01:18,758 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...