/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.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:02:24,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:02:24,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:02:24,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 01:02:24,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 01:02:24,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 01:02:24,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 01:02:24,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 01:02:24,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 01:02:24,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 01:02:24,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 01:02:24,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 01:02:24,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:02:24,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:02:24,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:02:24,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:02:24,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:02:24,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:02:24,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:02:24,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:02:24,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:02:24,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:02:24,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:02:24,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:02:24,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 01:02:24,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 01:02:24,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 01:02:24,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 01:02:24,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 01:02:24,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 01:02:24,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 01:02:24,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 01:02:24,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 01:02:24,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 01:02:24,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 01:02:24,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 01:02:24,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 01:02:24,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 01:02:24,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:02:24,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:02:24,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:02:24,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:02:24,212 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:02:24,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:02:24,214 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:02:24,214 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:02:24,214 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:02:24,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:02:24,215 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:02:24,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:02:24,215 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:02:24,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:02:24,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:02:24,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:02:24,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:02:24,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:02:24,217 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:02:24,217 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:02:24,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:02:24,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:02:24,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:02:24,218 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:02:24,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:02:24,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:02:24,219 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:02:24,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:02:24,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:02:24,526 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:02:24,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:02:24,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:02:24,546 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:02:24,547 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:02:24,547 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-07-20 01:02:24,614 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb01194/00a4e827d74544bdaaf9d5046c71a41d/FLAGdd6bb52b4 [2020-07-20 01:02:25,123 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:02:25,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-07-20 01:02:25,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb01194/00a4e827d74544bdaaf9d5046c71a41d/FLAGdd6bb52b4 [2020-07-20 01:02:25,388 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68fb01194/00a4e827d74544bdaaf9d5046c71a41d [2020-07-20 01:02:25,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:02:25,399 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:02:25,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:25,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:02:25,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:02:25,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:25,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0e0017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25, skipping insertion in model container [2020-07-20 01:02:25,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:25,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:02:25,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:02:25,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:25,781 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:02:25,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:02:25,998 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:02:25,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25 WrapperNode [2020-07-20 01:02:25,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:02:25,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:02:25,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:02:25,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:02:26,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... [2020-07-20 01:02:26,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:02:26,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:02:26,094 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:02:26,094 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:02:26,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 01:02:26,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 01:02:26,161 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 01:02:26,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 01:02:26,163 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 01:02:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 01:02:26,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 01:02:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 01:02:26,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 01:02:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 01:02:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 01:02:26,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 01:02:26,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 01:02:26,171 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 01:02:26,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 01:02:26,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 01:02:26,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:02:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 01:02:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:02:27,203 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:02:27,203 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 01:02:27,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:27 BoogieIcfgContainer [2020-07-20 01:02:27,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:02:27,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:02:27,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:02:27,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:02:27,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:25" (1/3) ... [2020-07-20 01:02:27,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dffbea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:27, skipping insertion in model container [2020-07-20 01:02:27,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:25" (2/3) ... [2020-07-20 01:02:27,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dffbea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:27, skipping insertion in model container [2020-07-20 01:02:27,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:27" (3/3) ... [2020-07-20 01:02:27,218 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-07-20 01:02:27,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:02:27,238 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:02:27,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:02:27,278 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:02:27,278 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:02:27,278 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:02:27,278 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:02:27,279 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:02:27,279 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:02:27,279 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:02:27,279 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:02:27,303 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-20 01:02:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 01:02:27,312 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:27,313 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] [2020-07-20 01:02:27,314 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:27,320 INFO L82 PathProgramCache]: Analyzing trace with hash 916136138, now seen corresponding path program 1 times [2020-07-20 01:02:27,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:27,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374589096] [2020-07-20 01:02:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:27,999 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:28,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:28,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374589096] [2020-07-20 01:02:28,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:28,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 01:02:28,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836698812] [2020-07-20 01:02:28,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:02:28,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:28,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:02:28,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:28,120 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 3 states. [2020-07-20 01:02:29,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:29,293 INFO L93 Difference]: Finished difference Result 297 states and 388 transitions. [2020-07-20 01:02:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:02:29,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-20 01:02:29,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:29,310 INFO L225 Difference]: With dead ends: 297 [2020-07-20 01:02:29,311 INFO L226 Difference]: Without dead ends: 160 [2020-07-20 01:02:29,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 01:02:29,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-20 01:02:29,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-20 01:02:29,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 01:02:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 150 transitions. [2020-07-20 01:02:29,406 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 150 transitions. Word has length 46 [2020-07-20 01:02:29,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:29,407 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 150 transitions. [2020-07-20 01:02:29,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:02:29,407 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2020-07-20 01:02:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 01:02:29,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:29,411 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] [2020-07-20 01:02:29,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:02:29,412 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:29,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:29,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1104947330, now seen corresponding path program 1 times [2020-07-20 01:02:29,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:29,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110037733] [2020-07-20 01:02:29,413 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,804 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:29,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110037733] [2020-07-20 01:02:29,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:29,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:02:29,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970745022] [2020-07-20 01:02:29,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 01:02:29,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:29,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 01:02:29,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 01:02:29,885 INFO L87 Difference]: Start difference. First operand 128 states and 150 transitions. Second operand 4 states. [2020-07-20 01:02:30,292 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:31,123 INFO L93 Difference]: Finished difference Result 230 states and 279 transitions. [2020-07-20 01:02:31,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:02:31,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-20 01:02:31,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:31,128 INFO L225 Difference]: With dead ends: 230 [2020-07-20 01:02:31,128 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 01:02:31,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:02:31,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 01:02:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2020-07-20 01:02:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 01:02:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 138 transitions. [2020-07-20 01:02:31,168 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 138 transitions. Word has length 47 [2020-07-20 01:02:31,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:31,168 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 138 transitions. [2020-07-20 01:02:31,168 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 01:02:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 138 transitions. [2020-07-20 01:02:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 01:02:31,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:31,171 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] [2020-07-20 01:02:31,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:02:31,171 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:31,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:31,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1852359913, now seen corresponding path program 1 times [2020-07-20 01:02:31,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:31,172 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710799952] [2020-07-20 01:02:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,467 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:31,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:31,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710799952] [2020-07-20 01:02:31,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:31,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 01:02:31,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20986554] [2020-07-20 01:02:31,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:02:31,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:31,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:02:31,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:02:31,561 INFO L87 Difference]: Start difference. First operand 119 states and 138 transitions. Second operand 8 states. [2020-07-20 01:02:31,949 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:32,238 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:32,477 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:32,738 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:33,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:33,887 INFO L93 Difference]: Finished difference Result 239 states and 293 transitions. [2020-07-20 01:02:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:02:33,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-20 01:02:33,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:33,890 INFO L225 Difference]: With dead ends: 239 [2020-07-20 01:02:33,890 INFO L226 Difference]: Without dead ends: 144 [2020-07-20 01:02:33,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:33,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-20 01:02:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 119. [2020-07-20 01:02:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 01:02:33,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-07-20 01:02:33,927 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 51 [2020-07-20 01:02:33,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:33,927 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-07-20 01:02:33,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:02:33,928 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-07-20 01:02:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 01:02:33,930 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:33,930 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] [2020-07-20 01:02:33,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-20 01:02:33,931 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:33,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:33,931 INFO L82 PathProgramCache]: Analyzing trace with hash 458129541, now seen corresponding path program 1 times [2020-07-20 01:02:33,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:33,932 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75912218] [2020-07-20 01:02:33,932 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,260 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:34,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75912218] [2020-07-20 01:02:34,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:34,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 01:02:34,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436145935] [2020-07-20 01:02:34,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:02:34,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:02:34,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:02:34,349 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 6 states. [2020-07-20 01:02:34,715 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:36,002 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:36,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:36,799 INFO L93 Difference]: Finished difference Result 331 states and 409 transitions. [2020-07-20 01:02:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-20 01:02:36,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-20 01:02:36,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:36,804 INFO L225 Difference]: With dead ends: 331 [2020-07-20 01:02:36,804 INFO L226 Difference]: Without dead ends: 236 [2020-07-20 01:02:36,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:02:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-20 01:02:36,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 195. [2020-07-20 01:02:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-07-20 01:02:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 222 transitions. [2020-07-20 01:02:36,859 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 222 transitions. Word has length 64 [2020-07-20 01:02:36,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:36,860 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 222 transitions. [2020-07-20 01:02:36,860 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:02:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 222 transitions. [2020-07-20 01:02:36,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-20 01:02:36,862 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:36,862 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:36,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-20 01:02:36,863 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:36,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:36,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1170867649, now seen corresponding path program 1 times [2020-07-20 01:02:36,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:36,864 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585036776] [2020-07-20 01:02:36,864 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,153 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:37,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:37,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585036776] [2020-07-20 01:02:37,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:02:37,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-20 01:02:37,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581758540] [2020-07-20 01:02:37,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 01:02:37,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:37,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 01:02:37,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:37,295 INFO L87 Difference]: Start difference. First operand 195 states and 222 transitions. Second operand 12 states. [2020-07-20 01:02:37,792 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:38,154 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:38,415 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:38,657 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:39,199 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:40,096 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:40,384 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:40,644 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:40,899 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:41,228 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:41,500 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:42,803 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:43,191 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:43,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:43,772 INFO L93 Difference]: Finished difference Result 677 states and 879 transitions. [2020-07-20 01:02:43,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-07-20 01:02:43,773 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2020-07-20 01:02:43,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:43,779 INFO L225 Difference]: With dead ends: 677 [2020-07-20 01:02:43,779 INFO L226 Difference]: Without dead ends: 506 [2020-07-20 01:02:43,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-07-20 01:02:43,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2020-07-20 01:02:43,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 448. [2020-07-20 01:02:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-07-20 01:02:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 529 transitions. [2020-07-20 01:02:43,882 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 529 transitions. Word has length 78 [2020-07-20 01:02:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:43,882 INFO L479 AbstractCegarLoop]: Abstraction has 448 states and 529 transitions. [2020-07-20 01:02:43,882 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 01:02:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 529 transitions. [2020-07-20 01:02:43,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 01:02:43,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:43,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:43,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-20 01:02:43,889 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:43,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:43,889 INFO L82 PathProgramCache]: Analyzing trace with hash 524664374, now seen corresponding path program 1 times [2020-07-20 01:02:43,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:43,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068863738] [2020-07-20 01:02:43,890 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,175 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:44,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 01:02:44,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068863738] [2020-07-20 01:02:44,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133150435] [2020-07-20 01:02:44,457 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f18f0a8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:44,853 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2f18f0a8 issued 2 check-sat command(s) [2020-07-20 01:02:44,853 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:02:44,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 01:02:44,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:02:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:45,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:02:45,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 17 [2020-07-20 01:02:45,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649840917] [2020-07-20 01:02:45,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:02:45,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:45,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:02:45,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:02:45,038 INFO L87 Difference]: Start difference. First operand 448 states and 529 transitions. Second operand 8 states. [2020-07-20 01:02:46,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:46,532 INFO L93 Difference]: Finished difference Result 1148 states and 1506 transitions. [2020-07-20 01:02:46,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 01:02:46,533 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 136 [2020-07-20 01:02:46,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:46,543 INFO L225 Difference]: With dead ends: 1148 [2020-07-20 01:02:46,543 INFO L226 Difference]: Without dead ends: 824 [2020-07-20 01:02:46,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2020-07-20 01:02:46,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-07-20 01:02:46,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 753. [2020-07-20 01:02:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2020-07-20 01:02:46,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 930 transitions. [2020-07-20 01:02:46,801 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 930 transitions. Word has length 136 [2020-07-20 01:02:46,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:46,801 INFO L479 AbstractCegarLoop]: Abstraction has 753 states and 930 transitions. [2020-07-20 01:02:46,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:02:46,801 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 930 transitions. [2020-07-20 01:02:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 01:02:46,804 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:46,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:47,019 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-07-20 01:02:47,019 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:47,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:47,020 INFO L82 PathProgramCache]: Analyzing trace with hash -772272072, now seen corresponding path program 1 times [2020-07-20 01:02:47,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:47,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675786084] [2020-07-20 01:02:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,296 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:02:47,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675786084] [2020-07-20 01:02:47,507 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811250287] [2020-07-20 01:02:47,507 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5cf6ca7b No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:47,965 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5cf6ca7b issued 3 check-sat command(s) [2020-07-20 01:02:47,965 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:02:47,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:02:47,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:02:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:02:48,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:02:48,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2020-07-20 01:02:48,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617463999] [2020-07-20 01:02:48,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:02:48,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:02:48,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:02:48,020 INFO L87 Difference]: Start difference. First operand 753 states and 930 transitions. Second operand 6 states. [2020-07-20 01:02:48,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:48,203 INFO L93 Difference]: Finished difference Result 1502 states and 1896 transitions. [2020-07-20 01:02:48,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:02:48,204 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 128 [2020-07-20 01:02:48,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:48,209 INFO L225 Difference]: With dead ends: 1502 [2020-07-20 01:02:48,209 INFO L226 Difference]: Without dead ends: 773 [2020-07-20 01:02:48,213 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 166 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-07-20 01:02:48,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-07-20 01:02:48,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 773. [2020-07-20 01:02:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2020-07-20 01:02:48,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 954 transitions. [2020-07-20 01:02:48,365 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 954 transitions. Word has length 128 [2020-07-20 01:02:48,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:48,366 INFO L479 AbstractCegarLoop]: Abstraction has 773 states and 954 transitions. [2020-07-20 01:02:48,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:02:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 954 transitions. [2020-07-20 01:02:48,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 01:02:48,369 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:48,369 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:48,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:48,584 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:48,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:48,584 INFO L82 PathProgramCache]: Analyzing trace with hash -532032326, now seen corresponding path program 1 times [2020-07-20 01:02:48,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:48,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533945233] [2020-07-20 01:02:48,585 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,910 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-20 01:02:49,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533945233] [2020-07-20 01:02:49,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531152160] [2020-07-20 01:02:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5347d790 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:49,574 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5347d790 issued 3 check-sat command(s) [2020-07-20 01:02:49,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:02:49,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 01:02:49,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:02:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 01:02:49,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:02:49,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 12 [2020-07-20 01:02:49,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119719979] [2020-07-20 01:02:49,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:02:49,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:49,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:02:49,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:49,619 INFO L87 Difference]: Start difference. First operand 773 states and 954 transitions. Second operand 5 states. [2020-07-20 01:02:49,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:49,771 INFO L93 Difference]: Finished difference Result 1397 states and 1760 transitions. [2020-07-20 01:02:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:02:49,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2020-07-20 01:02:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:49,776 INFO L225 Difference]: With dead ends: 1397 [2020-07-20 01:02:49,776 INFO L226 Difference]: Without dead ends: 648 [2020-07-20 01:02:49,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:02:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-07-20 01:02:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 648. [2020-07-20 01:02:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-07-20 01:02:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 786 transitions. [2020-07-20 01:02:49,903 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 786 transitions. Word has length 128 [2020-07-20 01:02:49,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:49,904 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 786 transitions. [2020-07-20 01:02:49,904 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:02:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 786 transitions. [2020-07-20 01:02:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-20 01:02:49,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:02:49,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:02:50,121 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:50,122 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:02:50,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:02:50,123 INFO L82 PathProgramCache]: Analyzing trace with hash 759278389, now seen corresponding path program 1 times [2020-07-20 01:02:50,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:02:50,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947883892] [2020-07-20 01:02:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:02:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,491 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:02:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:02:50,673 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 01:02:50,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947883892] [2020-07-20 01:02:50,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350849113] [2020-07-20 01:02:50,674 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b7efdc7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:02:51,060 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@b7efdc7 issued 4 check-sat command(s) [2020-07-20 01:02:51,060 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:02:51,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 01:02:51,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:02:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:02:51,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:02:51,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2020-07-20 01:02:51,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592803343] [2020-07-20 01:02:51,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 01:02:51,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:02:51,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 01:02:51,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 01:02:51,253 INFO L87 Difference]: Start difference. First operand 648 states and 786 transitions. Second operand 17 states. [2020-07-20 01:02:51,812 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:52,569 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:02:53,583 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:53,920 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:54,203 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:54,810 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-07-20 01:02:55,138 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:55,420 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:56,062 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-20 01:02:56,353 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-20 01:02:56,652 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:56,951 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-20 01:02:57,622 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:02:57,922 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-20 01:02:58,211 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:58,532 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:02:59,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:02:59,859 INFO L93 Difference]: Finished difference Result 1318 states and 1694 transitions. [2020-07-20 01:02:59,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-20 01:02:59,860 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 132 [2020-07-20 01:02:59,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:02:59,865 INFO L225 Difference]: With dead ends: 1318 [2020-07-20 01:02:59,866 INFO L226 Difference]: Without dead ends: 753 [2020-07-20 01:02:59,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=431, Invalid=1461, Unknown=0, NotChecked=0, Total=1892 [2020-07-20 01:02:59,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2020-07-20 01:02:59,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 645. [2020-07-20 01:02:59,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-07-20 01:02:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 777 transitions. [2020-07-20 01:02:59,994 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 777 transitions. Word has length 132 [2020-07-20 01:02:59,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:02:59,997 INFO L479 AbstractCegarLoop]: Abstraction has 645 states and 777 transitions. [2020-07-20 01:02:59,997 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 01:02:59,997 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 777 transitions. [2020-07-20 01:03:00,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-07-20 01:03:00,000 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:00,001 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:00,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:00,215 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:00,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash 637468809, now seen corresponding path program 1 times [2020-07-20 01:03:00,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:00,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961753527] [2020-07-20 01:03:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:03:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,570 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2020-07-20 01:03:00,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961753527] [2020-07-20 01:03:00,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628555979] [2020-07-20 01:03:00,732 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@233f64fb No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:01,487 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@233f64fb issued 3 check-sat command(s) [2020-07-20 01:03:01,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:01,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 01:03:01,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:01,748 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-07-20 01:03:01,749 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 01:03:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 01:03:01,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:03:01,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2020-07-20 01:03:01,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402209098] [2020-07-20 01:03:01,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-20 01:03:01,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:01,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-20 01:03:01,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-07-20 01:03:01,943 INFO L87 Difference]: Start difference. First operand 645 states and 777 transitions. Second operand 18 states. [2020-07-20 01:03:02,773 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:03,814 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:04,809 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:05,878 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:06,203 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:06,507 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-20 01:03:07,085 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:07,669 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 186 [2020-07-20 01:03:08,792 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:09,112 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:09,425 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-20 01:03:09,985 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:10,265 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-20 01:03:10,936 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-07-20 01:03:11,254 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-20 01:03:12,071 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-07-20 01:03:12,869 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:13,475 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-07-20 01:03:14,516 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:15,158 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:15,778 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-07-20 01:03:16,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:16,749 INFO L93 Difference]: Finished difference Result 1685 states and 2177 transitions. [2020-07-20 01:03:16,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-07-20 01:03:16,750 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 185 [2020-07-20 01:03:16,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:16,758 INFO L225 Difference]: With dead ends: 1685 [2020-07-20 01:03:16,758 INFO L226 Difference]: Without dead ends: 1121 [2020-07-20 01:03:16,762 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=598, Invalid=2708, Unknown=0, NotChecked=0, Total=3306 [2020-07-20 01:03:16,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2020-07-20 01:03:16,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 889. [2020-07-20 01:03:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-07-20 01:03:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1058 transitions. [2020-07-20 01:03:16,939 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1058 transitions. Word has length 185 [2020-07-20 01:03:16,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:16,940 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1058 transitions. [2020-07-20 01:03:16,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-20 01:03:16,940 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1058 transitions. [2020-07-20 01:03:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-07-20 01:03:16,943 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:03:16,943 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:03:17,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-20 01:03:17,157 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:03:17,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:03:17,158 INFO L82 PathProgramCache]: Analyzing trace with hash 384547988, now seen corresponding path program 1 times [2020-07-20 01:03:17,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:03:17,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145231721] [2020-07-20 01:03:17,160 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@279dbc0f [2020-07-20 01:03:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,481 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-20 01:03:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:03:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 39 proven. 8 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-07-20 01:03:17,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145231721] [2020-07-20 01:03:17,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827304454] [2020-07-20 01:03:17,814 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@691042c8 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:18,360 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@691042c8 issued 3 check-sat command(s) [2020-07-20 01:03:18,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:03:18,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 01:03:18,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:03:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-20 01:03:18,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:03:18,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2020-07-20 01:03:18,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029590] [2020-07-20 01:03:18,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 01:03:18,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:03:18,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 01:03:18,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-07-20 01:03:18,429 INFO L87 Difference]: Start difference. First operand 889 states and 1058 transitions. Second operand 6 states. [2020-07-20 01:03:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:03:18,526 INFO L93 Difference]: Finished difference Result 1146 states and 1361 transitions. [2020-07-20 01:03:18,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 01:03:18,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 189 [2020-07-20 01:03:18,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:03:18,528 INFO L225 Difference]: With dead ends: 1146 [2020-07-20 01:03:18,528 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:03:18,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-07-20 01:03:18,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:03:18,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:03:18,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:03:18,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:03:18,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 189 [2020-07-20 01:03:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:03:18,533 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:03:18,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 01:03:18,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:03:18,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:03:18,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:03:18,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:03:19,593 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 235 [2020-07-20 01:03:20,259 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-07-20 01:03:22,062 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-07-20 01:03:22,221 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 243 [2020-07-20 01:03:23,122 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 27 [2020-07-20 01:03:23,494 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 11 [2020-07-20 01:03:24,012 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 23 [2020-07-20 01:03:24,224 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:24,443 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:24,633 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-20 01:03:25,277 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-20 01:03:25,677 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 14 [2020-07-20 01:03:25,904 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:26,429 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-20 01:03:26,639 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:27,261 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-07-20 01:03:27,848 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 21 [2020-07-20 01:03:28,072 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-07-20 01:03:28,446 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 15 [2020-07-20 01:03:28,608 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:28,873 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 22 [2020-07-20 01:03:29,468 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 20 [2020-07-20 01:03:29,662 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:30,537 WARN L193 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 26 [2020-07-20 01:03:30,923 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 14 [2020-07-20 01:03:31,057 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 8 [2020-07-20 01:03:31,428 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-07-20 01:03:31,658 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-20 01:03:31,928 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-07-20 01:03:32,165 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:32,314 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-07-20 01:03:32,489 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2020-07-20 01:03:32,717 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:33,282 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 23 [2020-07-20 01:03:33,902 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 25 [2020-07-20 01:03:34,558 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 17 [2020-07-20 01:03:34,806 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-07-20 01:03:35,049 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 16 [2020-07-20 01:03:35,264 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-07-20 01:03:35,568 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 19 [2020-07-20 01:03:35,783 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:35,968 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-20 01:03:36,183 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 20 [2020-07-20 01:03:36,187 INFO L268 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2020-07-20 01:03:36,187 INFO L268 CegarLoopResult]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2020-07-20 01:03:36,188 INFO L268 CegarLoopResult]: For program point L667(line 667) no Hoare annotation was computed. [2020-07-20 01:03:36,188 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 687) no Hoare annotation was computed. [2020-07-20 01:03:36,188 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2020-07-20 01:03:36,188 INFO L268 CegarLoopResult]: For program point L688(lines 665 689) no Hoare annotation was computed. [2020-07-20 01:03:36,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2020-07-20 01:03:36,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2020-07-20 01:03:36,189 INFO L268 CegarLoopResult]: For program point L729(lines 729 733) no Hoare annotation was computed. [2020-07-20 01:03:36,189 INFO L268 CegarLoopResult]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2020-07-20 01:03:36,189 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point L723-2(lines 723 748) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point L749(lines 722 750) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2020-07-20 01:03:36,190 INFO L268 CegarLoopResult]: For program point L742(line 742) no Hoare annotation was computed. [2020-07-20 01:03:36,191 INFO L268 CegarLoopResult]: For program point L742-1(line 742) no Hoare annotation was computed. [2020-07-20 01:03:36,191 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2020-07-20 01:03:36,191 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2020-07-20 01:03:36,191 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2020-07-20 01:03:36,191 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2020-07-20 01:03:36,191 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2020-07-20 01:03:36,191 INFO L264 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-07-20 01:03:36,192 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2020-07-20 01:03:36,192 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (<= 2 ~waterLevel~0)) .cse0))) [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point L573-1(line 573) no Hoare annotation was computed. [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point L571(lines 571 584) no Hoare annotation was computed. [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2020-07-20 01:03:36,192 INFO L271 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: true [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-20 01:03:36,192 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2020-07-20 01:03:36,193 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,193 INFO L264 CegarLoopResult]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,193 INFO L264 CegarLoopResult]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~0 ~waterLevel~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,193 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2020-07-20 01:03:36,193 INFO L268 CegarLoopResult]: For program point L248(lines 248 255) no Hoare annotation was computed. [2020-07-20 01:03:36,193 INFO L268 CegarLoopResult]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2020-07-20 01:03:36,193 INFO L268 CegarLoopResult]: For program point L246(line 246) no Hoare annotation was computed. [2020-07-20 01:03:36,194 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,194 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,194 INFO L264 CegarLoopResult]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,194 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2020-07-20 01:03:36,194 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2020-07-20 01:03:36,194 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2020-07-20 01:03:36,194 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2020-07-20 01:03:36,194 INFO L268 CegarLoopResult]: For program point L211(line 211) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L209(line 209) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L207(line 207) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L205(line 205) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-07-20 01:03:36,195 INFO L268 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L452(lines 452 456) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L271 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: true [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L418-1(line 418) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L407(lines 407 415) no Hoare annotation was computed. [2020-07-20 01:03:36,196 INFO L268 CegarLoopResult]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point L395(lines 395 403) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2020-07-20 01:03:36,197 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point L928(lines 928 935) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point L922(lines 922 942) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2020-07-20 01:03:36,198 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,198 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point L373-1(line 373) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (= 0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2020-07-20 01:03:36,199 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L268 CegarLoopResult]: For program point L140(lines 140 146) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2020-07-20 01:03:36,200 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L264 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (= 0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2020-07-20 01:03:36,200 INFO L268 CegarLoopResult]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2020-07-20 01:03:36,200 INFO L264 CegarLoopResult]: At program point L341(line 341) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,201 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,201 INFO L264 CegarLoopResult]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~2)) .cse1))) [2020-07-20 01:03:36,201 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-07-20 01:03:36,201 INFO L264 CegarLoopResult]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1))) [2020-07-20 01:03:36,201 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-07-20 01:03:36,201 INFO L268 CegarLoopResult]: For program point L331(lines 331 348) no Hoare annotation was computed. [2020-07-20 01:03:36,201 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2020-07-20 01:03:36,202 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2020-07-20 01:03:36,202 INFO L264 CegarLoopResult]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,202 INFO L268 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-07-20 01:03:36,202 INFO L268 CegarLoopResult]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2020-07-20 01:03:36,202 INFO L264 CegarLoopResult]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,202 INFO L268 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-07-20 01:03:36,202 INFO L264 CegarLoopResult]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (< |old(~waterLevel~0)| 2)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-20 01:03:36,203 INFO L268 CegarLoopResult]: For program point L474(lines 473 518) no Hoare annotation was computed. [2020-07-20 01:03:36,203 INFO L268 CegarLoopResult]: For program point L503(lines 503 514) no Hoare annotation was computed. [2020-07-20 01:03:36,203 INFO L264 CegarLoopResult]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (< |old(~waterLevel~0)| 2)) (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-20 01:03:36,203 INFO L268 CegarLoopResult]: For program point L493(lines 493 499) no Hoare annotation was computed. [2020-07-20 01:03:36,203 INFO L268 CegarLoopResult]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2020-07-20 01:03:36,203 INFO L264 CegarLoopResult]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 ~systemActive~0)))) [2020-07-20 01:03:36,203 INFO L264 CegarLoopResult]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0)))) [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point L483(lines 483 489) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point L882(lines 882 889) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point L876(lines 876 896) no Hoare annotation was computed. [2020-07-20 01:03:36,204 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point L112(lines 112 120) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2020-07-20 01:03:36,205 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L824-1(line 824) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L847(lines 847 858) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 828) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2020-07-20 01:03:36,206 INFO L268 CegarLoopResult]: For program point L829(lines 807 830) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L788(lines 788 804) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L848(lines 848 855) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L809(lines 808 828) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point L805(lines 805 846) no Hoare annotation was computed. [2020-07-20 01:03:36,207 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,208 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(#t~string17.offset)| |#t~string17.offset|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |#t~string71.base| |old(#t~string71.base)|) (= |old(#t~string71.offset)| |#t~string71.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(#t~string15.base)| |#t~string15.base|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |old(#t~string29.offset)| |#t~string29.offset|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |old(#t~string23.base)| |#t~string23.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |old(#t~string25.base)| |#t~string25.base|) (= |old(#t~string29.base)| |#t~string29.base|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |old(#t~string3.offset)| |#t~string3.offset|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string1.base| |old(#t~string1.base)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |#t~string19.base| |old(#t~string19.base)|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-20 01:03:36,208 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,208 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2020-07-20 01:03:36,208 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2020-07-20 01:03:36,208 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,208 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2020-07-20 01:03:36,208 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2020-07-20 01:03:36,208 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L268 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L271 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: true [2020-07-20 01:03:36,209 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2020-07-20 01:03:36,209 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2020-07-20 01:03:36,209 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2020-07-20 01:03:36,210 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (not (<= 2 |old(~waterLevel~0)|)) .cse2) (or .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2))) [2020-07-20 01:03:36,211 INFO L264 CegarLoopResult]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (not (< |old(~waterLevel~0)| 2)) (and .cse0 .cse1) .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (and .cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) .cse1 (not (<= 2 |old(~waterLevel~0)|)) .cse3))) [2020-07-20 01:03:36,211 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 01:03:36,211 INFO L268 CegarLoopResult]: For program point L273(lines 272 291) no Hoare annotation was computed. [2020-07-20 01:03:36,211 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~waterLevel~0)|)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-20 01:03:36,211 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2020-07-20 01:03:36,211 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2020-07-20 01:03:36,211 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2020-07-20 01:03:36,212 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2020-07-20 01:03:36,212 INFO L271 CegarLoopResult]: At program point L187(lines 162 191) the Hoare annotation is: true [2020-07-20 01:03:36,212 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 01:03:36,212 INFO L268 CegarLoopResult]: For program point L176(lines 176 180) no Hoare annotation was computed. [2020-07-20 01:03:36,212 INFO L271 CegarLoopResult]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2020-07-20 01:03:36,212 INFO L268 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-07-20 01:03:36,212 INFO L271 CegarLoopResult]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2020-07-20 01:03:36,212 INFO L271 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: true [2020-07-20 01:03:36,212 INFO L268 CegarLoopResult]: For program point L168-1(line 168) no Hoare annotation was computed. [2020-07-20 01:03:36,213 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,213 INFO L268 CegarLoopResult]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2020-07-20 01:03:36,213 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2020-07-20 01:03:36,213 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2020-07-20 01:03:36,213 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2020-07-20 01:03:36,213 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,213 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-20 01:03:36,213 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:03:36,214 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:03:36,214 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,214 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,214 INFO L268 CegarLoopResult]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2020-07-20 01:03:36,214 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2020-07-20 01:03:36,214 INFO L264 CegarLoopResult]: At program point L315(line 315) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,214 INFO L264 CegarLoopResult]: At program point L311(line 311) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,214 INFO L268 CegarLoopResult]: For program point L309(lines 309 317) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L264 CegarLoopResult]: At program point L307(line 307) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point L307-1(line 307) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point L305(lines 305 322) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)) (= 1 ~waterLevel~0) .cse0))) [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:03:36,215 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 01:03:36,216 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 01:03:36,216 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 01:03:36,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:03:36 BoogieIcfgContainer [2020-07-20 01:03:36,233 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:03:36,235 INFO L168 Benchmark]: Toolchain (without parser) took 70837.23 ms. Allocated memory was 137.4 MB in the beginning and 884.5 MB in the end (delta: 747.1 MB). Free memory was 99.7 MB in the beginning and 503.9 MB in the end (delta: -404.3 MB). Peak memory consumption was 735.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,236 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,236 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.11 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.3 MB in the beginning and 173.1 MB in the end (delta: -73.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,237 INFO L168 Benchmark]: Boogie Preprocessor took 94.00 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,237 INFO L168 Benchmark]: RCFGBuilder took 1115.69 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 199.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,238 INFO L168 Benchmark]: TraceAbstraction took 69023.24 ms. Allocated memory was 234.4 MB in the beginning and 884.5 MB in the end (delta: 650.1 MB). Free memory was 197.9 MB in the beginning and 503.9 MB in the end (delta: -306.0 MB). Peak memory consumption was 736.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:03:36,241 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.11 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 99.3 MB in the beginning and 173.1 MB in the end (delta: -73.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.00 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.69 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.8 MB in the beginning and 199.4 MB in the end (delta: -31.5 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69023.24 ms. Allocated memory was 234.4 MB in the beginning and 884.5 MB in the end (delta: 650.1 MB). Free memory was 197.9 MB in the beginning and 503.9 MB in the end (delta: -306.0 MB). Peak memory consumption was 736.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && 0 == splverifierCounter) || ((0 == splverifierCounter && 1 <= waterLevel) && 0 == pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 == \old(waterLevel))) || !(1 == systemActive) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 39.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1592 SDtfs, 3091 SDslu, 3304 SDs, 0 SdLazy, 8860 SolverSat, 2063 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1491 GetRequests, 1290 SyntacticMatches, 3 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=889occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 592 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1958 PreInvPairs, 2007 NumberOfFragments, 1052 HoareAnnotationTreeSize, 1958 FomulaSimplifications, 1301552 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 58 FomulaSimplificationsInter, 86317 FormulaSimplificationTreeSizeReductionInter, 13.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 2082 NumberOfCodeBlocks, 1861 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2065 ConstructedInterpolants, 0 QuantifiedInterpolants, 657968 SizeOfPredicates, 18 NumberOfNonLiveVariables, 4766 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 567/612 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...