/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:40:06,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:40:06,781 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:40:06,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:40:06,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:40:06,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:40:06,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:40:06,808 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:40:06,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:40:06,811 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:40:06,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:40:06,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:40:06,812 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:40:06,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:40:06,813 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:40:06,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:40:06,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:40:06,814 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:40:06,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:40:06,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:40:06,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:40:06,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:40:06,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:40:06,816 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:40:06,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:40:06,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:40:06,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:40:06,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:06,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:40:06,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:40:06,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:40:06,819 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:40:06,819 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:40:06,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:40:07,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:40:07,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:40:07,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:40:07,016 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:40:07,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2023-12-16 17:40:07,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:40:08,204 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:40:08,204 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c [2023-12-16 17:40:08,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84165321b/f41a1a39cca342f39e8c22459558d122/FLAG4d412dee4 [2023-12-16 17:40:08,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84165321b/f41a1a39cca342f39e8c22459558d122 [2023-12-16 17:40:08,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:40:08,224 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:40:08,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:08,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:40:08,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:40:08,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571c2404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08, skipping insertion in model container [2023-12-16 17:40:08,243 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:08,548 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2023-12-16 17:40:08,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:08,571 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:40:08,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:40:08,637 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2023-12-16 17:40:08,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:08,643 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:40:08,649 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-12-16 17:40:08,650 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] [2023-12-16 17:40:08,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] [2023-12-16 17:40:08,698 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product48.cil.c[17766,17779] [2023-12-16 17:40:08,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:40:08,711 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:40:08,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08 WrapperNode [2023-12-16 17:40:08,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:40:08,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:08,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:40:08,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:40:08,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,727 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,745 INFO L138 Inliner]: procedures = 59, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 188 [2023-12-16 17:40:08,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:40:08,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:40:08,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:40:08,746 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:40:08,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,756 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,780 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 17:40:08,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,800 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:40:08,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:40:08,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:40:08,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:40:08,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (1/1) ... [2023-12-16 17:40:08,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:40:08,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:40:08,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 17:40:08,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 17:40:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:40:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-16 17:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-16 17:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-12-16 17:40:08,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-12-16 17:40:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:40:08,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:40:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:40:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:40:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:40:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:40:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:40:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:40:08,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:40:08,986 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:40:08,988 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:40:09,252 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:40:09,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:40:09,323 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:40:09,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:09 BoogieIcfgContainer [2023-12-16 17:40:09,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:40:09,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:40:09,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:40:09,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:40:09,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:08" (1/3) ... [2023-12-16 17:40:09,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289a330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:09, skipping insertion in model container [2023-12-16 17:40:09,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:08" (2/3) ... [2023-12-16 17:40:09,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@289a330c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:09, skipping insertion in model container [2023-12-16 17:40:09,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:09" (3/3) ... [2023-12-16 17:40:09,328 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48.cil.c [2023-12-16 17:40:09,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:40:09,341 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:40:09,379 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:40:09,385 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;@57e73761, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:40:09,385 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:40:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 55 states have (on average 1.509090909090909) internal successors, (83), 64 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:40:09,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-16 17:40:09,410 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:09,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:09,411 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:09,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1092678025, now seen corresponding path program 1 times [2023-12-16 17:40:09,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:09,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311748928] [2023-12-16 17:40:09,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:09,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:09,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:09,429 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:09,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:40:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:09,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:40:09,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:09,533 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:09,534 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311748928] [2023-12-16 17:40:09,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311748928] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:09,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:09,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:09,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348472532] [2023-12-16 17:40:09,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:09,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:40:09,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:09,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:40:09,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:40:09,567 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.509090909090909) internal successors, (83), 64 states have internal predecessors, (83), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:09,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:09,637 INFO L93 Difference]: Finished difference Result 162 states and 231 transitions. [2023-12-16 17:40:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:40:09,640 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-12-16 17:40:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:09,647 INFO L225 Difference]: With dead ends: 162 [2023-12-16 17:40:09,647 INFO L226 Difference]: Without dead ends: 77 [2023-12-16 17:40:09,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:40:09,655 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:09,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:09,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-16 17:40:09,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-16 17:40:09,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 60 states have internal predecessors, (73), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-16 17:40:09,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 104 transitions. [2023-12-16 17:40:09,696 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 104 transitions. Word has length 17 [2023-12-16 17:40:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:09,696 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 104 transitions. [2023-12-16 17:40:09,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:09,697 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 104 transitions. [2023-12-16 17:40:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-16 17:40:09,698 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:09,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:09,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:40:09,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:09,901 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:09,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:09,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1910496021, now seen corresponding path program 1 times [2023-12-16 17:40:09,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:09,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991555027] [2023-12-16 17:40:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:09,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:09,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:09,903 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:09,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:40:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:09,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:09,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:09,962 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:09,962 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:09,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991555027] [2023-12-16 17:40:09,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991555027] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:09,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:09,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:09,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964455528] [2023-12-16 17:40:09,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:09,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:09,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:09,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:09,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:09,964 INFO L87 Difference]: Start difference. First operand 77 states and 104 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:09,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:09,990 INFO L93 Difference]: Finished difference Result 124 states and 166 transitions. [2023-12-16 17:40:09,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:09,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-12-16 17:40:09,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:09,991 INFO L225 Difference]: With dead ends: 124 [2023-12-16 17:40:09,991 INFO L226 Difference]: Without dead ends: 69 [2023-12-16 17:40:09,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:09,992 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:09,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 146 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:09,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-16 17:40:09,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-12-16 17:40:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 17:40:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2023-12-16 17:40:09,999 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 18 [2023-12-16 17:40:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:09,999 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2023-12-16 17:40:10,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2023-12-16 17:40:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:40:10,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:10,000 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:10,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:10,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:10,203 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:10,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:10,203 INFO L85 PathProgramCache]: Analyzing trace with hash -241123912, now seen corresponding path program 1 times [2023-12-16 17:40:10,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:10,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64004] [2023-12-16 17:40:10,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:10,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:10,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:10,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:10,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:40:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:10,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:10,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:10,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:10,249 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:10,249 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:10,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [64004] [2023-12-16 17:40:10,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [64004] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:10,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:10,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:10,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058752627] [2023-12-16 17:40:10,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:10,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:10,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:10,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:10,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:10,251 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:10,294 INFO L93 Difference]: Finished difference Result 203 states and 276 transitions. [2023-12-16 17:40:10,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:10,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-12-16 17:40:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:10,296 INFO L225 Difference]: With dead ends: 203 [2023-12-16 17:40:10,296 INFO L226 Difference]: Without dead ends: 136 [2023-12-16 17:40:10,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:10,297 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 87 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:10,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 174 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:10,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-16 17:40:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2023-12-16 17:40:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 90 states have (on average 1.4333333333333333) internal successors, (129), 105 states have internal predecessors, (129), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-16 17:40:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 181 transitions. [2023-12-16 17:40:10,312 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 181 transitions. Word has length 21 [2023-12-16 17:40:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:10,313 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 181 transitions. [2023-12-16 17:40:10,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:40:10,313 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 181 transitions. [2023-12-16 17:40:10,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-16 17:40:10,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:10,314 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] [2023-12-16 17:40:10,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:10,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:10,517 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:10,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:10,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1369567555, now seen corresponding path program 1 times [2023-12-16 17:40:10,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:10,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [746264860] [2023-12-16 17:40:10,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:10,519 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:10,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:40:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:10,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:40:10,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:10,636 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:10,636 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:10,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [746264860] [2023-12-16 17:40:10,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [746264860] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:10,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:10,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 17:40:10,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858427962] [2023-12-16 17:40:10,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:10,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 17:40:10,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:10,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 17:40:10,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 17:40:10,641 INFO L87 Difference]: Start difference. First operand 133 states and 181 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-12-16 17:40:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:10,781 INFO L93 Difference]: Finished difference Result 391 states and 538 transitions. [2023-12-16 17:40:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 17:40:10,782 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 24 [2023-12-16 17:40:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:10,784 INFO L225 Difference]: With dead ends: 391 [2023-12-16 17:40:10,784 INFO L226 Difference]: Without dead ends: 260 [2023-12-16 17:40:10,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:40:10,786 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 66 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:10,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 370 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:40:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2023-12-16 17:40:10,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2023-12-16 17:40:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 202 states have internal predecessors, (243), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2023-12-16 17:40:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 349 transitions. [2023-12-16 17:40:10,809 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 349 transitions. Word has length 24 [2023-12-16 17:40:10,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:10,809 INFO L495 AbstractCegarLoop]: Abstraction has 258 states and 349 transitions. [2023-12-16 17:40:10,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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) [2023-12-16 17:40:10,809 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 349 transitions. [2023-12-16 17:40:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-16 17:40:10,811 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:10,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:10,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:11,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:11,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:11,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1274052161, now seen corresponding path program 1 times [2023-12-16 17:40:11,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:11,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919999036] [2023-12-16 17:40:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:11,015 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:11,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:11,016 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:40:11,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:40:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:11,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:40:11,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:11,093 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:11,093 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:11,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919999036] [2023-12-16 17:40:11,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919999036] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:11,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:11,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663751675] [2023-12-16 17:40:11,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:11,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:11,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:11,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:11,095 INFO L87 Difference]: Start difference. First operand 258 states and 349 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-12-16 17:40:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:11,167 INFO L93 Difference]: Finished difference Result 684 states and 932 transitions. [2023-12-16 17:40:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 17:40:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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 28 [2023-12-16 17:40:11,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:11,171 INFO L225 Difference]: With dead ends: 684 [2023-12-16 17:40:11,171 INFO L226 Difference]: Without dead ends: 428 [2023-12-16 17:40:11,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:40:11,172 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 48 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:11,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 209 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:11,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-16 17:40:11,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 422. [2023-12-16 17:40:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 289 states have (on average 1.3321799307958477) internal successors, (385), 322 states have internal predecessors, (385), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2023-12-16 17:40:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 549 transitions. [2023-12-16 17:40:11,219 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 549 transitions. Word has length 28 [2023-12-16 17:40:11,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:11,219 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 549 transitions. [2023-12-16 17:40:11,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 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) [2023-12-16 17:40:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 549 transitions. [2023-12-16 17:40:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-16 17:40:11,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:11,221 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] [2023-12-16 17:40:11,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:40:11,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:11,426 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:11,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:11,426 INFO L85 PathProgramCache]: Analyzing trace with hash -391482557, now seen corresponding path program 1 times [2023-12-16 17:40:11,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:11,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67247204] [2023-12-16 17:40:11,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:11,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:11,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:11,428 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) [2023-12-16 17:40:11,429 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 [2023-12-16 17:40:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:11,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:11,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:11,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:40:11,485 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:11,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:11,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67247204] [2023-12-16 17:40:11,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67247204] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:11,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:11,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:40:11,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788900592] [2023-12-16 17:40:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:11,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:11,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:11,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:11,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:11,486 INFO L87 Difference]: Start difference. First operand 422 states and 549 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:11,532 INFO L93 Difference]: Finished difference Result 858 states and 1152 transitions. [2023-12-16 17:40:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:11,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2023-12-16 17:40:11,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:11,534 INFO L225 Difference]: With dead ends: 858 [2023-12-16 17:40:11,534 INFO L226 Difference]: Without dead ends: 438 [2023-12-16 17:40:11,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:11,536 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:11,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 237 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:11,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-12-16 17:40:11,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 430. [2023-12-16 17:40:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 297 states have (on average 1.3232323232323233) internal successors, (393), 330 states have internal predecessors, (393), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2023-12-16 17:40:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 557 transitions. [2023-12-16 17:40:11,573 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 557 transitions. Word has length 47 [2023-12-16 17:40:11,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:11,573 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 557 transitions. [2023-12-16 17:40:11,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 557 transitions. [2023-12-16 17:40:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-16 17:40:11,575 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:11,575 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] [2023-12-16 17:40:11,579 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 [2023-12-16 17:40:11,777 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 [2023-12-16 17:40:11,778 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:11,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:11,778 INFO L85 PathProgramCache]: Analyzing trace with hash -250933947, now seen corresponding path program 1 times [2023-12-16 17:40:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [22501604] [2023-12-16 17:40:11,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:11,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:11,780 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) [2023-12-16 17:40:11,780 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 [2023-12-16 17:40:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:11,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:11,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:40:11,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:11,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:11,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [22501604] [2023-12-16 17:40:11,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [22501604] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:11,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:11,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 17:40:11,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109953747] [2023-12-16 17:40:11,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:11,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:40:11,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:11,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:40:11,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:40:11,840 INFO L87 Difference]: Start difference. First operand 430 states and 557 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:11,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:11,889 INFO L93 Difference]: Finished difference Result 886 states and 1184 transitions. [2023-12-16 17:40:11,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:40:11,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2023-12-16 17:40:11,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:11,892 INFO L225 Difference]: With dead ends: 886 [2023-12-16 17:40:11,892 INFO L226 Difference]: Without dead ends: 458 [2023-12-16 17:40:11,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:40:11,893 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 6 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:11,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 236 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2023-12-16 17:40:11,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2023-12-16 17:40:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 305 states have (on average 1.3147540983606558) internal successors, (401), 338 states have internal predecessors, (401), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2023-12-16 17:40:11,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2023-12-16 17:40:11,914 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 47 [2023-12-16 17:40:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:11,914 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2023-12-16 17:40:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2023-12-16 17:40:11,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-16 17:40:11,916 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:11,916 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] [2023-12-16 17:40:11,920 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 [2023-12-16 17:40:12,120 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 [2023-12-16 17:40:12,121 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:12,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:12,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1672294087, now seen corresponding path program 1 times [2023-12-16 17:40:12,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:12,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [744152026] [2023-12-16 17:40:12,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:12,122 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:12,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:12,123 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) [2023-12-16 17:40:12,148 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 [2023-12-16 17:40:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:12,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:40:12,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:12,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:40:12,190 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:12,191 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:12,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [744152026] [2023-12-16 17:40:12,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [744152026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:12,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:12,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:40:12,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205861458] [2023-12-16 17:40:12,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:12,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:12,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:12,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:12,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:12,192 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:12,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:12,241 INFO L93 Difference]: Finished difference Result 1040 states and 1350 transitions. [2023-12-16 17:40:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:12,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2023-12-16 17:40:12,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:12,243 INFO L225 Difference]: With dead ends: 1040 [2023-12-16 17:40:12,243 INFO L226 Difference]: Without dead ends: 604 [2023-12-16 17:40:12,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:12,245 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 31 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:12,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 154 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 604 states. [2023-12-16 17:40:12,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 604 to 604. [2023-12-16 17:40:12,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 427 states have (on average 1.2763466042154568) internal successors, (545), 464 states have internal predecessors, (545), 96 states have call successors, (96), 84 states have call predecessors, (96), 80 states have return successors, (118), 86 states have call predecessors, (118), 96 states have call successors, (118) [2023-12-16 17:40:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 759 transitions. [2023-12-16 17:40:12,285 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 759 transitions. Word has length 47 [2023-12-16 17:40:12,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:12,285 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 759 transitions. [2023-12-16 17:40:12,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-16 17:40:12,285 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 759 transitions. [2023-12-16 17:40:12,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-16 17:40:12,286 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:12,286 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] [2023-12-16 17:40:12,291 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 [2023-12-16 17:40:12,491 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 [2023-12-16 17:40:12,491 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:12,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:12,492 INFO L85 PathProgramCache]: Analyzing trace with hash -568228639, now seen corresponding path program 1 times [2023-12-16 17:40:12,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:12,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074041725] [2023-12-16 17:40:12,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:12,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:12,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:12,493 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) [2023-12-16 17:40:12,517 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 [2023-12-16 17:40:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:12,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:40:12,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:12,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:40:12,639 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:12,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:12,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074041725] [2023-12-16 17:40:12,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074041725] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:12,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:12,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 17:40:12,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12094676] [2023-12-16 17:40:12,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:12,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 17:40:12,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:12,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 17:40:12,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:40:12,642 INFO L87 Difference]: Start difference. First operand 604 states and 759 transitions. Second operand has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-16 17:40:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:12,816 INFO L93 Difference]: Finished difference Result 1204 states and 1518 transitions. [2023-12-16 17:40:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 17:40:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2023-12-16 17:40:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:12,819 INFO L225 Difference]: With dead ends: 1204 [2023-12-16 17:40:12,820 INFO L226 Difference]: Without dead ends: 602 [2023-12-16 17:40:12,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:40:12,822 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 63 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:12,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 586 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:40:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2023-12-16 17:40:12,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 602. [2023-12-16 17:40:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 425 states have (on average 1.2588235294117647) internal successors, (535), 460 states have internal predecessors, (535), 96 states have call successors, (96), 84 states have call predecessors, (96), 80 states have return successors, (108), 86 states have call predecessors, (108), 96 states have call successors, (108) [2023-12-16 17:40:12,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 739 transitions. [2023-12-16 17:40:12,851 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 739 transitions. Word has length 51 [2023-12-16 17:40:12,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:12,851 INFO L495 AbstractCegarLoop]: Abstraction has 602 states and 739 transitions. [2023-12-16 17:40:12,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2023-12-16 17:40:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 739 transitions. [2023-12-16 17:40:12,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-16 17:40:12,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:12,855 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] [2023-12-16 17:40:12,860 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 [2023-12-16 17:40:13,058 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 [2023-12-16 17:40:13,058 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:13,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:13,058 INFO L85 PathProgramCache]: Analyzing trace with hash -443468988, now seen corresponding path program 1 times [2023-12-16 17:40:13,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:13,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1581554201] [2023-12-16 17:40:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:13,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:40:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:13,060 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) [2023-12-16 17:40:13,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-12-16 17:40:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:13,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:40:13,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-16 17:40:13,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:13,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:13,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1581554201] [2023-12-16 17:40:13,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1581554201] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:13,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:13,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:40:13,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818135832] [2023-12-16 17:40:13,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:13,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:40:13,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:13,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:40:13,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:13,177 INFO L87 Difference]: Start difference. First operand 602 states and 739 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-16 17:40:13,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:13,235 INFO L93 Difference]: Finished difference Result 1316 states and 1629 transitions. [2023-12-16 17:40:13,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:40:13,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 75 [2023-12-16 17:40:13,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:13,240 INFO L225 Difference]: With dead ends: 1316 [2023-12-16 17:40:13,240 INFO L226 Difference]: Without dead ends: 716 [2023-12-16 17:40:13,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:40:13,242 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 43 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:13,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 119 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:40:13,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2023-12-16 17:40:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 708. [2023-12-16 17:40:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 501 states have (on average 1.255489021956088) internal successors, (629), 542 states have internal predecessors, (629), 112 states have call successors, (112), 100 states have call predecessors, (112), 94 states have return successors, (129), 100 states have call predecessors, (129), 112 states have call successors, (129) [2023-12-16 17:40:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 870 transitions. [2023-12-16 17:40:13,304 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 870 transitions. Word has length 75 [2023-12-16 17:40:13,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:13,305 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 870 transitions. [2023-12-16 17:40:13,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2023-12-16 17:40:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 870 transitions. [2023-12-16 17:40:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-16 17:40:13,307 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:40:13,307 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-12-16 17:40:13,309 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 [2023-12-16 17:40:13,509 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 [2023-12-16 17:40:13,509 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:40:13,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:40:13,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1175498318, now seen corresponding path program 1 times [2023-12-16 17:40:13,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:40:13,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068334673] [2023-12-16 17:40:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:40:13,511 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 [2023-12-16 17:40:13,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:40:13,511 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) [2023-12-16 17:40:13,515 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 [2023-12-16 17:40:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:40:13,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:40:13,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:40:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-16 17:40:13,632 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:40:13,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:40:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068334673] [2023-12-16 17:40:13,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068334673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:40:13,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:40:13,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 17:40:13,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718922583] [2023-12-16 17:40:13,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:40:13,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 17:40:13,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:40:13,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 17:40:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-16 17:40:13,634 INFO L87 Difference]: Start difference. First operand 708 states and 870 transitions. Second operand has 8 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:40:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:40:13,785 INFO L93 Difference]: Finished difference Result 1137 states and 1411 transitions. [2023-12-16 17:40:13,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 17:40:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 90 [2023-12-16 17:40:13,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:40:13,786 INFO L225 Difference]: With dead ends: 1137 [2023-12-16 17:40:13,786 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:40:13,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-12-16 17:40:13,788 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 59 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:40:13,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 678 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:40:13,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:40:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:40:13,789 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) [2023-12-16 17:40:13,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:40:13,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2023-12-16 17:40:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:40:13,789 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:40:13,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2023-12-16 17:40:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:40:13,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:40:13,792 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:40:13,796 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 [2023-12-16 17:40:13,994 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 [2023-12-16 17:40:13,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:40:15,274 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 378 385) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 378 385) the Hoare annotation is: true [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2023-12-16 17:40:15,275 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) 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))) [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 901 930) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point L926(lines 901 930) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point L922(line 922) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 919) no Hoare annotation was computed. [2023-12-16 17:40:15,275 INFO L902 garLoopResultBuilder]: At program point L915-1(lines 915 919) the Hoare annotation is: true [2023-12-16 17:40:15,276 INFO L902 garLoopResultBuilder]: At program point L911-2(lines 911 925) the Hoare annotation is: true [2023-12-16 17:40:15,276 INFO L902 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: true [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L907-1(line 907) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 901 930) the Hoare annotation is: true [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 517) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 520) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L895 garLoopResultBuilder]: At program point L342(line 342) 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)))))) [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L503-1(lines 495 523) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L895 garLoopResultBuilder]: At program point L338(line 338) 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 (= |timeShift_processEnvironment_~tmp~2#1| (_ bv1 32))) (or .cse0 (not (= ~methaneLevelCritical~0 (_ bv0 32)))))) [2023-12-16 17:40:15,276 INFO L895 garLoopResultBuilder]: At program point L334(line 334) 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)))))) [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L334-1(line 334) no Hoare annotation was computed. [2023-12-16 17:40:15,276 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L895 garLoopResultBuilder]: At program point L347(line 347) 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)))) [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 293) 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))) [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L895 garLoopResultBuilder]: At program point L501(line 501) 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))) [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L501-1(line 501) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L274-1(lines 273 292) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 344) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 349) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed. [2023-12-16 17:40:15,277 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L895 garLoopResultBuilder]: At program point L225(line 225) 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))) [2023-12-16 17:40:15,278 INFO L895 garLoopResultBuilder]: At program point L250(lines 203 252) 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))) [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L465(lines 465 471) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L465-1(lines 465 471) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L256(lines 193 260) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 229) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 223 229) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 990) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L895 garLoopResultBuilder]: At program point L215(line 215) 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))) [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point L983-2(lines 983 990) no Hoare annotation was computed. [2023-12-16 17:40:15,278 INFO L895 garLoopResultBuilder]: At program point L467(line 467) 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))) [2023-12-16 17:40:15,278 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point L253(lines 202 254) the Hoare annotation is: false [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 247) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point L241-2(lines 233 248) 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))) [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L204(lines 203 252) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 248) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) 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)))))) [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (and (= |processEnvironment__wrappee__methaneQuery_~tmp~1#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0))) (.cse1 (= ~systemActive~0 (_ bv0 32)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 (_ bv0 32)))) (or .cse0 .cse1 (not (= |old(~pumpRunning~0)| (_ bv0 32))) (not (= ~methaneLevelCritical~0 (_ bv1 32)))))) [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 318) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 323) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 374) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point L366(line 366) 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))) [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L368-2(lines 361 377) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2023-12-16 17:40:15,279 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 302 326) 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))) [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 136 149) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point L451-2(lines 451 455) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L895 garLoopResultBuilder]: At program point L321(line 321) 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)))))) [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 302 326) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 386 396) no Hoare annotation was computed. [2023-12-16 17:40:15,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 386 396) the Hoare annotation is: true [2023-12-16 17:40:15,280 INFO L902 garLoopResultBuilder]: At program point L391(line 391) the Hoare annotation is: true [2023-12-16 17:40:15,280 INFO L899 garLoopResultBuilder]: For program point L391-1(line 391) no Hoare annotation was computed. [2023-12-16 17:40:15,282 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:40:15,283 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:40:15,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:15 BoogieIcfgContainer [2023-12-16 17:40:15,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:40:15,298 INFO L158 Benchmark]: Toolchain (without parser) took 7074.71ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 232.2MB in the beginning and 227.6MB in the end (delta: 4.6MB). Peak memory consumption was 184.9MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,298 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 225.4MB. Free memory was 175.9MB in the beginning and 175.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:40:15,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.73ms. Allocated memory is still 273.7MB. Free memory was 232.2MB in the beginning and 206.0MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.50ms. Allocated memory is still 273.7MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,299 INFO L158 Benchmark]: Boogie Preprocessor took 57.62ms. Allocated memory is still 273.7MB. Free memory was 203.6MB in the beginning and 201.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,299 INFO L158 Benchmark]: RCFGBuilder took 519.59ms. Allocated memory is still 273.7MB. Free memory was 201.2MB in the beginning and 235.6MB in the end (delta: -34.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,299 INFO L158 Benchmark]: TraceAbstraction took 5973.48ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 235.1MB in the beginning and 227.6MB in the end (delta: 7.5MB). Peak memory consumption was 186.8MB. Max. memory is 8.0GB. [2023-12-16 17:40:15,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 225.4MB. Free memory was 175.9MB in the beginning and 175.8MB in the end (delta: 155.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 487.73ms. Allocated memory is still 273.7MB. Free memory was 232.2MB in the beginning and 206.0MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.50ms. Allocated memory is still 273.7MB. Free memory was 205.7MB in the beginning and 203.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.62ms. Allocated memory is still 273.7MB. Free memory was 203.6MB in the beginning and 201.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 519.59ms. Allocated memory is still 273.7MB. Free memory was 201.2MB in the beginning and 235.6MB in the end (delta: -34.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5973.48ms. Allocated memory was 273.7MB in the beginning and 329.3MB in the end (delta: 55.6MB). Free memory was 235.1MB in the beginning and 227.6MB in the end (delta: 7.5MB). Peak memory consumption was 186.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [150] - GenericResultAtLocation [Line: 188]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [188] - GenericResultAtLocation [Line: 261]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [261] - GenericResultAtLocation [Line: 484]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [484] - GenericResultAtLocation [Line: 524]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [524] - GenericResultAtLocation [Line: 890]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [890] - GenericResultAtLocation [Line: 899]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [899] * 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: 895]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 432 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 419 mSDsluCounter, 3004 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1971 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 804 IncrementalHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1033 mSDtfsCounter, 804 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=708occurred in iteration=10, 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 1477 PreInvPairs, 1602 NumberOfFragments, 711 HoareAnnotationTreeSize, 1477 FormulaSimplifications, 372 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FormulaSimplificationsInter, 4900 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 465 NumberOfCodeBlocks, 465 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 454 ConstructedInterpolants, 0 QuantifiedInterpolants, 867 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1262 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 65/65 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: 202]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: 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! [2023-12-16 17:40:15,311 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...