/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 12:08:45,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:08:45,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:08:45,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:08:45,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:08:45,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:08:45,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:08:45,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:08:45,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:08:45,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:08:45,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:08:45,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:08:45,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:08:45,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:08:45,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:08:45,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:08:45,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:08:45,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:08:45,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:08:45,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:08:45,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:08:45,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:08:45,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:08:45,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:08:45,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:08:45,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:08:45,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:08:45,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:08:45,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:08:45,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:08:45,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:08:45,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:08:45,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:08:45,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:08:45,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:08:45,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:08:45,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:08:45,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:08:45,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:08:45,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:08:45,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:08:45,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 12:08:45,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:08:45,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:08:45,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:08:45,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:08:45,313 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:08:45,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:08:45,314 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 12:08:45,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:08:45,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 12:08:45,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:08:45,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:08:45,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:08:45,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:08:45,316 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 12:08:45,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:08:45,317 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:08:45,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:08:45,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:08:45,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:08:45,317 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:08:45,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:08:45,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:45,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:08:45,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:08:45,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:08:45,319 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:08:45,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:08:45,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:08:45,319 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:08:45,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-21 12:08:45,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:08:45,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:08:45,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:08:45,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:08:45,756 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:08:45,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-09-21 12:08:45,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f07b77a0/c1d866b4ae844b989dbc9c7b38024a34/FLAGceb116e81 [2020-09-21 12:08:46,420 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:08:46,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-09-21 12:08:46,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f07b77a0/c1d866b4ae844b989dbc9c7b38024a34/FLAGceb116e81 [2020-09-21 12:08:46,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7f07b77a0/c1d866b4ae844b989dbc9c7b38024a34 [2020-09-21 12:08:46,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:08:46,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:08:46,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:46,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:08:46,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:08:46,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:46" (1/1) ... [2020-09-21 12:08:46,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:46, skipping insertion in model container [2020-09-21 12:08:46,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:08:46" (1/1) ... [2020-09-21 12:08:46,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:08:46,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:08:47,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:47,236 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:08:47,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:08:47,436 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:08:47,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47 WrapperNode [2020-09-21 12:08:47,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:08:47,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:08:47,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:08:47,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:08:47,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... [2020-09-21 12:08:47,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:08:47,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:08:47,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:08:47,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:08:47,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:08:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:08:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:08:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:47,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 12:08:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 12:08:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 12:08:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 12:08:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 12:08:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 12:08:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 12:08:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 12:08:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 12:08:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 12:08:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 12:08:47,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 12:08:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 12:08:47,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 12:08:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 12:08:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 12:08:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 12:08:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 12:08:47,681 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 12:08:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 12:08:47,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 12:08:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 12:08:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:47,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 12:08:47,684 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 12:08:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 12:08:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 12:08:47,685 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:08:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:08:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:08:47,685 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 12:08:47,686 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 12:08:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:08:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 12:08:47,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 12:08:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 12:08:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 12:08:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 12:08:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 12:08:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 12:08:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 12:08:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 12:08:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:08:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:08:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:08:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:08:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 12:08:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:08:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 12:08:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 12:08:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:08:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 12:08:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 12:08:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:08:47,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:08:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:08:47,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:08:48,728 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:08:48,729 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 12:08:48,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:48 BoogieIcfgContainer [2020-09-21 12:08:48,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:08:48,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:08:48,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:08:48,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:08:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:08:46" (1/3) ... [2020-09-21 12:08:48,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa6a2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:48, skipping insertion in model container [2020-09-21 12:08:48,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:08:47" (2/3) ... [2020-09-21 12:08:48,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa6a2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:08:48, skipping insertion in model container [2020-09-21 12:08:48,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:08:48" (3/3) ... [2020-09-21 12:08:48,744 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-09-21 12:08:48,755 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:08:48,765 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:08:48,787 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:08:48,819 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:08:48,819 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:08:48,819 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:08:48,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:08:48,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:08:48,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:08:48,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:08:48,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:08:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2020-09-21 12:08:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 12:08:48,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:48,859 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:48,859 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:48,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:48,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1676569926, now seen corresponding path program 1 times [2020-09-21 12:08:48,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:48,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421479106] [2020-09-21 12:08:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:49,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:49,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:49,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:49,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 12:08:50,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:50,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-09-21 12:08:50,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 12:08:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 12:08:50,684 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-09-21 12:08:50,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:50,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:50,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 12:08:50,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 12:08:50,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:50,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:50,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:50,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:50,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-21 12:08:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:50,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:50,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:08:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:50,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:50,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:50,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:50,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:50,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:50,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:50,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:50,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:50,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:50,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421479106] [2020-09-21 12:08:50,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:50,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 12:08:50,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10959058] [2020-09-21 12:08:50,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 12:08:50,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:50,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 12:08:50,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:50,981 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 4 states. [2020-09-21 12:08:51,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:51,998 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-09-21 12:08:51,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 12:08:52,001 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 12:08:52,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:52,018 INFO L225 Difference]: With dead ends: 246 [2020-09-21 12:08:52,019 INFO L226 Difference]: Without dead ends: 138 [2020-09-21 12:08:52,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 12:08:52,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-09-21 12:08:52,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-09-21 12:08:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-09-21 12:08:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-09-21 12:08:52,124 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-09-21 12:08:52,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:52,125 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-09-21 12:08:52,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 12:08:52,125 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-09-21 12:08:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 12:08:52,129 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:52,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:52,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:08:52,130 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:52,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1153065381, now seen corresponding path program 1 times [2020-09-21 12:08:52,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:52,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2062081455] [2020-09-21 12:08:52,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:52,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 12:08:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:08:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1052 [2020-09-21 12:08:53,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 12:08:53,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:08:53,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,620 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 12:08:53,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:53,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:53,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:53,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 12:08:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:53,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:08:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:53,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:53,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:53,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:53,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:53,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:53,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:53,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:53,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:53,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2062081455] [2020-09-21 12:08:53,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:53,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:53,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667632691] [2020-09-21 12:08:53,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:53,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:53,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:53,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:53,827 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-09-21 12:08:54,452 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 12:08:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:55,060 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-09-21 12:08:55,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:08:55,061 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-09-21 12:08:55,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:55,063 INFO L225 Difference]: With dead ends: 191 [2020-09-21 12:08:55,063 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 12:08:55,065 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:55,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 12:08:55,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-09-21 12:08:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:08:55,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-09-21 12:08:55,099 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-09-21 12:08:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:55,100 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-09-21 12:08:55,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-09-21 12:08:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-09-21 12:08:55,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:55,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:55,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:08:55,103 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:55,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1044630824, now seen corresponding path program 1 times [2020-09-21 12:08:55,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:55,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [647156955] [2020-09-21 12:08:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:55,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:55,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 12:08:56,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-21 12:08:56,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-09-21 12:08:56,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:56,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-21 12:08:56,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:56,510 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:56,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-21 12:08:56,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:56,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:56,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:56,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:56,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:56,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:56,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:56,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:56,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:56,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:56,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:56,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:56,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:56,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 12:08:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:56,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:56,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 12:08:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:56,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:56,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:56,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:56,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:56,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:56,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [647156955] [2020-09-21 12:08:56,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:56,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:08:56,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108868790] [2020-09-21 12:08:56,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:08:56,753 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:56,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:08:56,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:08:56,753 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 5 states. [2020-09-21 12:08:57,093 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:08:57,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:08:57,776 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-09-21 12:08:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:08:57,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-09-21 12:08:57,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:08:57,779 INFO L225 Difference]: With dead ends: 200 [2020-09-21 12:08:57,779 INFO L226 Difference]: Without dead ends: 128 [2020-09-21 12:08:57,780 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:08:57,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-09-21 12:08:57,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-09-21 12:08:57,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-09-21 12:08:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-09-21 12:08:57,818 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-09-21 12:08:57,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:08:57,820 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-09-21 12:08:57,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:08:57,820 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-09-21 12:08:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 12:08:57,827 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:08:57,827 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:08:57,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:08:57,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:08:57,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:08:57,829 INFO L82 PathProgramCache]: Analyzing trace with hash -2135764053, now seen corresponding path program 1 times [2020-09-21 12:08:57,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:08:57,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [200270940] [2020-09-21 12:08:57,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:08:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:57,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:58,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:58,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 12:08:58,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:58,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-09-21 12:08:58,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 12:08:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:58,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-21 12:08:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:08:59,278 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:08:59,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:08:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:59,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-21 12:08:59,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:08:59,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:08:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:59,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:59,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:59,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:08:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:59,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:59,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:59,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:08:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:59,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:08:59,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:59,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:08:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:59,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:59,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:08:59,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:08:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:59,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:08:59,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:59,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 12:08:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:08:59,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:08:59,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:08:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 12:08:59,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:08:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:08:59,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:08:59,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:59,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:59,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 12:08:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:59,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 12:08:59,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:08:59,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:08:59,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:08:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 12:08:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:08:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:08:59,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:08:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:08:59,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:08:59,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:08:59,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:08:59,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:08:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:08:59,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:08:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:08:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:08:59,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [200270940] [2020-09-21 12:08:59,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:08:59,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 12:08:59,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130085391] [2020-09-21 12:08:59,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 12:08:59,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:08:59,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 12:08:59,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:08:59,565 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-09-21 12:09:00,035 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:01,113 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:01,481 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:01,757 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:02,113 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:03,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:03,077 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2020-09-21 12:09:03,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 12:09:03,078 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-09-21 12:09:03,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:03,082 INFO L225 Difference]: With dead ends: 307 [2020-09-21 12:09:03,082 INFO L226 Difference]: Without dead ends: 235 [2020-09-21 12:09:03,084 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-21 12:09:03,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-09-21 12:09:03,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2020-09-21 12:09:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-09-21 12:09:03,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2020-09-21 12:09:03,138 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2020-09-21 12:09:03,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:03,139 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2020-09-21 12:09:03,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 12:09:03,139 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2020-09-21 12:09:03,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 12:09:03,140 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:09:03,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:09:03,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:09:03,141 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:09:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:09:03,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1965999161, now seen corresponding path program 1 times [2020-09-21 12:09:03,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:09:03,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327711741] [2020-09-21 12:09:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:09:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:03,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:03,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-09-21 12:09:04,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-21 12:09:04,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-09-21 12:09:04,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 12:09:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-09-21 12:09:04,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-21 12:09:04,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,493 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:09:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-21 12:09:04,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:09:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:04,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:04,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 12:09:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:04,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:04,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 12:09:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:04,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:09:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:04,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:09:04,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:09:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:09:04,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-09-21 12:09:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:04,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:09:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:09:04,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:09:04,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 12:09:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 12:09:04,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 12:09:04,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 12:09:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 12:09:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 12:09:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:09:04,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:09:04,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:04,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:09:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:09:04,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:09:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 12:09:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:09:04,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-21 12:09:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-21 12:09:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:09:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:09:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 12:09:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-21 12:09:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 12:09:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:09:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:09:04,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:09:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:09:04,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327711741] [2020-09-21 12:09:04,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:09:04,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 12:09:04,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138657133] [2020-09-21 12:09:04,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 12:09:04,724 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:09:04,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 12:09:04,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:09:04,725 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2020-09-21 12:09:05,239 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 12:09:06,437 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-21 12:09:06,765 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,092 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:09:07,371 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2020-09-21 12:09:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 12:09:07,372 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-09-21 12:09:07,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:09:07,373 INFO L225 Difference]: With dead ends: 289 [2020-09-21 12:09:07,373 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:09:07,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 12:09:07,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:09:07,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:09:07,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:09:07,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:09:07,377 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-09-21 12:09:07,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:09:07,377 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:09:07,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 12:09:07,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:09:07,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:09:07,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:09:07,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:09:07,626 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:07,805 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:07,982 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:08,158 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:08,328 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:08,523 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:08,696 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:09,210 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 12:09:09,376 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:09,540 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:09,861 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:10,165 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 12:09:10,465 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:10,755 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-21 12:09:11,053 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:11,345 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-21 12:09:11,506 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:11,661 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:11,823 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:11,977 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:12,135 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:12,292 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:12,450 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:12,606 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:12,766 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:12,923 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:13,080 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:13,235 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:13,394 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:13,552 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:14,010 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 12 [2020-09-21 12:09:14,171 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:14,324 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:14,483 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:14,640 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:14,801 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:14,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:15,114 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:15,273 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:15,425 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:15,617 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:15,959 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 12 [2020-09-21 12:09:16,112 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:16,269 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:16,429 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:16,585 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:16,737 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:16,896 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:17,053 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:17,213 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:17,571 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 13 [2020-09-21 12:09:17,885 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:18,170 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 12:09:18,464 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:18,747 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-21 12:09:19,043 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:19,338 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-21 12:09:19,494 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 12:09:19,652 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 12:09:20,061 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 12:09:20,273 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:20,489 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-21 12:09:20,723 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:20,973 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:21,252 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 12:09:21,679 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 18 [2020-09-21 12:09:22,102 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 18 [2020-09-21 12:09:22,528 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-09-21 12:09:22,987 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 12:09:23,387 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 11 [2020-09-21 12:09:23,606 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:23,843 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:24,067 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 17 [2020-09-21 12:09:24,304 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:24,712 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 12:09:24,917 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 15 [2020-09-21 12:09:25,132 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:25,326 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-21 12:09:25,547 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 23 [2020-09-21 12:09:26,008 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 18 [2020-09-21 12:09:26,404 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-09-21 12:09:26,409 INFO L268 CegarLoopResult]: For program point L506(lines 483 507) no Hoare annotation was computed. [2020-09-21 12:09:26,409 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 459 514) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point L490(lines 490 494) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point L490-1(lines 490 494) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 459 514) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 459 514) no Hoare annotation was computed. [2020-09-21 12:09:26,410 INFO L268 CegarLoopResult]: For program point L484-2(lines 484 505) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point L541-2(lines 541 566) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point L567(lines 540 568) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 515 574) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-09-21 12:09:26,411 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 515 574) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 515 574) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point L547(lines 547 551) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point L547-1(lines 547 551) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 381 387) the Hoare annotation is: true [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 381 387) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 388 396) no Hoare annotation was computed. [2020-09-21 12:09:26,412 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 388 396) the Hoare annotation is: true [2020-09-21 12:09:26,412 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 388 396) no Hoare annotation was computed. [2020-09-21 12:09:26,413 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,413 INFO L264 CegarLoopResult]: At program point L897-1(line 897) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,413 INFO L268 CegarLoopResult]: For program point L895(lines 895 902) no Hoare annotation was computed. [2020-09-21 12:09:26,413 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 902) no Hoare annotation was computed. [2020-09-21 12:09:26,413 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 885 907) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,414 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-09-21 12:09:26,414 INFO L264 CegarLoopResult]: At program point L892(line 892) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,414 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,414 INFO L264 CegarLoopResult]: At program point L891-1(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,414 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 885 907) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 885 907) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 843 866) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 843 866) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 843 866) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-09-21 12:09:26,415 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-09-21 12:09:26,416 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 295 303) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 295 303) the Hoare annotation is: true [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 295 303) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point L349(lines 349 353) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L271 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: true [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point L349-2(lines 349 353) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L268 CegarLoopResult]: For program point L347-1(line 347) no Hoare annotation was computed. [2020-09-21 12:09:26,417 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 340 358) the Hoare annotation is: true [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 340 358) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 340 358) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L311(lines 311 319) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 319) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 304 339) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L334-1(line 334) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 304 339) no Hoare annotation was computed. [2020-09-21 12:09:26,418 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 304 339) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 374 380) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 374 380) the Hoare annotation is: true [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 413 458) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 413 458) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 413 458) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 726 771) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 726 771) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point L746(lines 746 753) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 726 771) no Hoare annotation was computed. [2020-09-21 12:09:26,419 INFO L268 CegarLoopResult]: For program point L740(lines 740 760) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point L740-1(lines 740 760) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 874 884) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,420 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 874 884) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 874 884) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point L289(line 289) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point L289-1(line 289) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 284 294) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 284 294) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 284 294) no Hoare annotation was computed. [2020-09-21 12:09:26,420 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 276 283) the Hoare annotation is: true [2020-09-21 12:09:26,420 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 276 283) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 276 283) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L264 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,421 INFO L264 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,421 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,421 INFO L268 CegarLoopResult]: For program point L249-1(line 249) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L268 CegarLoopResult]: For program point L247(lines 247 264) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 243 267) no Hoare annotation was computed. [2020-09-21 12:09:26,421 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 243 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,422 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point L262-1(lines 243 267) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 235 241) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 235 241) the Hoare annotation is: true [2020-09-21 12:09:26,422 INFO L264 CegarLoopResult]: At program point testENTRY(lines 138 201) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point testFINAL(lines 138 201) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L264 CegarLoopResult]: At program point L184-2(lines 178 189) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point L149(lines 148 193) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L268 CegarLoopResult]: For program point L178(lines 178 189) no Hoare annotation was computed. [2020-09-21 12:09:26,422 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point L168(lines 168 174) no Hoare annotation was computed. [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2020-09-21 12:09:26,423 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,423 INFO L264 CegarLoopResult]: At program point L191(lines 148 193) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point L150(lines 150 154) no Hoare annotation was computed. [2020-09-21 12:09:26,423 INFO L268 CegarLoopResult]: For program point testEXIT(lines 138 201) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L264 CegarLoopResult]: At program point L194(lines 147 195) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 680 725) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point L694(lines 694 714) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point L694-1(lines 694 714) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 680 725) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 680 725) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point L795(lines 795 801) no Hoare annotation was computed. [2020-09-21 12:09:26,424 INFO L268 CegarLoopResult]: For program point L794(lines 794 804) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point L790-1(lines 782 810) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 782 810) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 782 810) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:26,425 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 774 781) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 774 781) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 364 373) no Hoare annotation was computed. [2020-09-21 12:09:26,426 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 364 373) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 364 373) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L642-1(line 642) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 577 679) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L665(lines 665 676) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L628(lines 628 632) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L626-2(lines 626 646) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point L647(lines 625 648) no Hoare annotation was computed. [2020-09-21 12:09:26,427 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 577 679) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L606(lines 606 622) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L666(lines 666 673) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L627(lines 626 646) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 577 679) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L658-1(line 658) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L623(lines 623 664) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point L642(line 642) no Hoare annotation was computed. [2020-09-21 12:09:26,428 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 268 275) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:26,429 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,430 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-09-21 12:09:26,430 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:09:26,431 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-09-21 12:09:26,431 INFO L264 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,431 INFO L264 CegarLoopResult]: At program point L222(lines 222 228) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,431 INFO L264 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,431 INFO L268 CegarLoopResult]: For program point L215(lines 214 233) no Hoare annotation was computed. [2020-09-21 12:09:26,431 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 211 234) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-09-21 12:09:26,431 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 211 234) no Hoare annotation was computed. [2020-09-21 12:09:26,432 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 211 234) no Hoare annotation was computed. [2020-09-21 12:09:26,432 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 813 842) no Hoare annotation was computed. [2020-09-21 12:09:26,432 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 813 842) the Hoare annotation is: true [2020-09-21 12:09:26,432 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-09-21 12:09:26,432 INFO L271 CegarLoopResult]: At program point L827-1(lines 827 831) the Hoare annotation is: true [2020-09-21 12:09:26,432 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-09-21 12:09:26,432 INFO L271 CegarLoopResult]: At program point L823-2(lines 823 837) the Hoare annotation is: true [2020-09-21 12:09:26,432 INFO L271 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: true [2020-09-21 12:09:26,432 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-09-21 12:09:26,433 INFO L271 CegarLoopResult]: At program point L838(lines 813 842) the Hoare annotation is: true [2020-09-21 12:09:26,433 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-09-21 12:09:26,433 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-09-21 12:09:26,433 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:09:26,433 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-09-21 12:09:26,433 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 867 873) no Hoare annotation was computed. [2020-09-21 12:09:26,433 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 867 873) the Hoare annotation is: true [2020-09-21 12:09:26,433 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,434 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 12:09:26,434 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 12:09:26,434 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 12:09:26,434 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:09:26,434 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-09-21 12:09:26,434 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 12:09:26,434 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 398 405) no Hoare annotation was computed. [2020-09-21 12:09:26,435 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 402) no Hoare annotation was computed. [2020-09-21 12:09:26,435 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 398 405) the Hoare annotation is: true [2020-09-21 12:09:26,435 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 398 405) no Hoare annotation was computed. [2020-09-21 12:09:26,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 12:09:26 BoogieIcfgContainer [2020-09-21 12:09:26,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 12:09:26,454 INFO L168 Benchmark]: Toolchain (without parser) took 39733.75 ms. Allocated memory was 143.1 MB in the beginning and 570.4 MB in the end (delta: 427.3 MB). Free memory was 105.2 MB in the beginning and 267.2 MB in the end (delta: -162.0 MB). Peak memory consumption was 417.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,455 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.64 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 104.6 MB in the beginning and 175.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,456 INFO L168 Benchmark]: Boogie Preprocessor took 137.92 ms. Allocated memory is still 206.0 MB. Free memory was 175.8 MB in the beginning and 171.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,457 INFO L168 Benchmark]: RCFGBuilder took 1157.30 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 171.3 MB in the beginning and 192.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,458 INFO L168 Benchmark]: TraceAbstraction took 37716.17 ms. Allocated memory was 232.8 MB in the beginning and 570.4 MB in the end (delta: 337.6 MB). Free memory was 190.8 MB in the beginning and 267.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 413.2 MB. Max. memory is 7.1 GB. [2020-09-21 12:09:26,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.64 ms. Allocated memory was 143.1 MB in the beginning and 206.0 MB in the end (delta: 62.9 MB). Free memory was 104.6 MB in the beginning and 175.8 MB in the end (delta: -71.3 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.92 ms. Allocated memory is still 206.0 MB. Free memory was 175.8 MB in the beginning and 171.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1157.30 ms. Allocated memory was 206.0 MB in the beginning and 232.8 MB in the end (delta: 26.7 MB). Free memory was 171.3 MB in the beginning and 192.1 MB in the end (delta: -20.8 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 37716.17 ms. Allocated memory was 232.8 MB in the beginning and 570.4 MB in the end (delta: 337.6 MB). Free memory was 190.8 MB in the beginning and 267.2 MB in the end (delta: -76.4 MB). Peak memory consumption was 413.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 402]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 813]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 436 SDtfs, 757 SDslu, 329 SDs, 0 SdLazy, 1413 SolverSat, 473 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=162occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 753 HoareAnnotationTreeSize, 246 FomulaSimplifications, 91556 FormulaSimplificationTreeSizeReduction, 12.2s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7384 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 81310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...