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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:38:31,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:38:31,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:38:31,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:38:31,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:38:31,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:38:31,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:38:31,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:38:31,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:38:31,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:38:31,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:38:31,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:38:31,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:38:31,794 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:38:31,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:38:31,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:38:31,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:38:31,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:38:31,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:38:31,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:38:31,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:38:31,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:38:31,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:38:31,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:38:31,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-16 16:38:31,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-16 16:38:31,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-16 16:38:31,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-16 16:38:31,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-16 16:38:31,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-16 16:38:31,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 16:38:31,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 16:38:31,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 16:38:31,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 16:38:31,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 16:38:31,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 16:38:31,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 16:38:31,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 16:38:31,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:38:31,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:38:31,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:38:31,820 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 [2019-09-16 16:38:31,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:38:31,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:38:31,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:38:31,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:38:31,837 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:38:31,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:38:31,837 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:38:31,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:38:31,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:38:31,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:38:31,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:38:31,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:38:31,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:38:31,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:38:31,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:38:31,839 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:38:31,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:38:31,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:38:31,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:38:31,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:38:31,840 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:38:31,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:38:31,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:38:31,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:38:31,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:38:31,841 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:38:31,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:38:31,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:38:31,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:38:31,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:38:31,886 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:38:31,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:38:31,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:38:31,893 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:38:31,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-16 16:38:31,968 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3212ccc/2f8708a1f7e4408990d7520bfd6b04af/FLAG989ffc2a9 [2019-09-16 16:38:32,480 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:38:32,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product49.cil.c [2019-09-16 16:38:32,501 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3212ccc/2f8708a1f7e4408990d7520bfd6b04af/FLAG989ffc2a9 [2019-09-16 16:38:32,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f3212ccc/2f8708a1f7e4408990d7520bfd6b04af [2019-09-16 16:38:32,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:38:32,818 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:38:32,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:38:32,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:38:32,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:38:32,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:38:32" (1/1) ... [2019-09-16 16:38:32,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56745d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:32, skipping insertion in model container [2019-09-16 16:38:32,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:38:32" (1/1) ... [2019-09-16 16:38:32,835 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:38:32,896 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:38:33,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:38:33,334 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:38:33,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:38:33,467 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:38:33,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33 WrapperNode [2019-09-16 16:38:33,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:38:33,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:38:33,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:38:33,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:38:33,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (1/1) ... [2019-09-16 16:38:33,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:38:33,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:38:33,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:38:33,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:38:33,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (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 [2019-09-16 16:38:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:38:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:38:33,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-16 16:38:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-16 16:38:33,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-16 16:38:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:38:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-16 16:38:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-16 16:38:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-16 16:38:33,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-16 16:38:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-16 16:38:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-16 16:38:33,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-16 16:38:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-16 16:38:33,633 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-16 16:38:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-16 16:38:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-16 16:38:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-16 16:38:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-16 16:38:33,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-16 16:38:33,635 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-16 16:38:33,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-16 16:38:33,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-16 16:38:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-16 16:38:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:38:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:38:33,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:38:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:38:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 16:38:33,638 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-16 16:38:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-09-16 16:38:33,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:38:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-16 16:38:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-16 16:38:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-16 16:38:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-16 16:38:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-16 16:38:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-16 16:38:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-16 16:38:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-16 16:38:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-16 16:38:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-16 16:38:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:38:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:38:33,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:38:34,809 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:38:34,809 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-16 16:38:34,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:38:34 BoogieIcfgContainer [2019-09-16 16:38:34,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:38:34,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:38:34,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:38:34,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:38:34,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:38:32" (1/3) ... [2019-09-16 16:38:34,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7733458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:38:34, skipping insertion in model container [2019-09-16 16:38:34,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:38:33" (2/3) ... [2019-09-16 16:38:34,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7733458 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:38:34, skipping insertion in model container [2019-09-16 16:38:34,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:38:34" (3/3) ... [2019-09-16 16:38:34,824 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product49.cil.c [2019-09-16 16:38:34,835 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:38:34,847 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:38:34,865 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:38:34,901 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:38:34,902 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:38:34,902 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:38:34,902 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:38:34,903 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:38:34,903 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:38:34,903 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:38:34,903 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:38:34,904 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:38:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2019-09-16 16:38:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-09-16 16:38:34,939 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:34,940 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:34,943 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:34,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:34,949 INFO L82 PathProgramCache]: Analyzing trace with hash 464701397, now seen corresponding path program 1 times [2019-09-16 16:38:34,951 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:34,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:35,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:35,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:35,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:35,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:35,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-16 16:38:35,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-16 16:38:35,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-16 16:38:35,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:38:35,395 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 2 states. [2019-09-16 16:38:35,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:35,440 INFO L93 Difference]: Finished difference Result 272 states and 337 transitions. [2019-09-16 16:38:35,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-16 16:38:35,442 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-09-16 16:38:35,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:35,455 INFO L225 Difference]: With dead ends: 272 [2019-09-16 16:38:35,456 INFO L226 Difference]: Without dead ends: 138 [2019-09-16 16:38:35,462 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-16 16:38:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-16 16:38:35,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-16 16:38:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-16 16:38:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2019-09-16 16:38:35,525 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 59 [2019-09-16 16:38:35,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:35,525 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2019-09-16 16:38:35,526 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-16 16:38:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2019-09-16 16:38:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-16 16:38:35,532 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:35,532 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:35,533 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:35,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:35,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1838047012, now seen corresponding path program 1 times [2019-09-16 16:38:35,533 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:35,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:35,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:35,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:35,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:35,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:35,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:38:35,705 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:38:35,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:38:35,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:35,706 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 3 states. [2019-09-16 16:38:35,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:35,748 INFO L93 Difference]: Finished difference Result 248 states and 299 transitions. [2019-09-16 16:38:35,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:38:35,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-09-16 16:38:35,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:35,751 INFO L225 Difference]: With dead ends: 248 [2019-09-16 16:38:35,752 INFO L226 Difference]: Without dead ends: 138 [2019-09-16 16:38:35,754 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:35,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-09-16 16:38:35,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2019-09-16 16:38:35,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-09-16 16:38:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2019-09-16 16:38:35,779 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 64 [2019-09-16 16:38:35,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:35,781 INFO L475 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2019-09-16 16:38:35,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:38:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2019-09-16 16:38:35,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-09-16 16:38:35,789 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:35,790 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:35,790 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:35,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:35,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1442070676, now seen corresponding path program 1 times [2019-09-16 16:38:35,793 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:35,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:35,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,796 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:35,796 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:35,899 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:35,899 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:35,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-16 16:38:35,900 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-16 16:38:35,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-16 16:38:35,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:35,901 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2019-09-16 16:38:35,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:35,919 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2019-09-16 16:38:35,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-16 16:38:35,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2019-09-16 16:38:35,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:35,922 INFO L225 Difference]: With dead ends: 221 [2019-09-16 16:38:35,922 INFO L226 Difference]: Without dead ends: 129 [2019-09-16 16:38:35,923 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-16 16:38:35,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-16 16:38:35,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-09-16 16:38:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-16 16:38:35,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2019-09-16 16:38:35,937 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 73 [2019-09-16 16:38:35,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:35,938 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2019-09-16 16:38:35,938 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-16 16:38:35,938 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2019-09-16 16:38:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-16 16:38:35,940 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:35,940 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:35,940 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:35,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:35,941 INFO L82 PathProgramCache]: Analyzing trace with hash -745886990, now seen corresponding path program 1 times [2019-09-16 16:38:35,941 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:35,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:35,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:35,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:36,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:36,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:38:36,082 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:38:36,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:38:36,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:38:36,084 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 5 states. [2019-09-16 16:38:36,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:36,680 INFO L93 Difference]: Finished difference Result 331 states and 401 transitions. [2019-09-16 16:38:36,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-16 16:38:36,681 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2019-09-16 16:38:36,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:36,690 INFO L225 Difference]: With dead ends: 331 [2019-09-16 16:38:36,690 INFO L226 Difference]: Without dead ends: 230 [2019-09-16 16:38:36,693 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-09-16 16:38:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 212. [2019-09-16 16:38:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-09-16 16:38:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 244 transitions. [2019-09-16 16:38:36,731 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 244 transitions. Word has length 77 [2019-09-16 16:38:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:36,732 INFO L475 AbstractCegarLoop]: Abstraction has 212 states and 244 transitions. [2019-09-16 16:38:36,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:38:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2019-09-16 16:38:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-09-16 16:38:36,734 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:36,735 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:36,735 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:36,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:36,735 INFO L82 PathProgramCache]: Analyzing trace with hash -47194942, now seen corresponding path program 1 times [2019-09-16 16:38:36,736 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:36,736 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:36,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:36,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:36,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:36,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-16 16:38:36,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:36,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-16 16:38:36,877 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-16 16:38:36,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-16 16:38:36,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:38:36,878 INFO L87 Difference]: Start difference. First operand 212 states and 244 transitions. Second operand 7 states. [2019-09-16 16:38:37,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:37,568 INFO L93 Difference]: Finished difference Result 413 states and 491 transitions. [2019-09-16 16:38:37,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-16 16:38:37,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2019-09-16 16:38:37,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:37,575 INFO L225 Difference]: With dead ends: 413 [2019-09-16 16:38:37,575 INFO L226 Difference]: Without dead ends: 229 [2019-09-16 16:38:37,577 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:38:37,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-09-16 16:38:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2019-09-16 16:38:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-09-16 16:38:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 241 transitions. [2019-09-16 16:38:37,622 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 241 transitions. Word has length 91 [2019-09-16 16:38:37,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:37,623 INFO L475 AbstractCegarLoop]: Abstraction has 211 states and 241 transitions. [2019-09-16 16:38:37,623 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-16 16:38:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 241 transitions. [2019-09-16 16:38:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:37,628 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:37,628 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:37,629 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:37,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:37,629 INFO L82 PathProgramCache]: Analyzing trace with hash -238329201, now seen corresponding path program 1 times [2019-09-16 16:38:37,629 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:37,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:37,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:37,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:37,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:37,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:37,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:37,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:38:37,737 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:38:37,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:38:37,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:38:37,738 INFO L87 Difference]: Start difference. First operand 211 states and 241 transitions. Second operand 6 states. [2019-09-16 16:38:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:37,772 INFO L93 Difference]: Finished difference Result 399 states and 464 transitions. [2019-09-16 16:38:37,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:38:37,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-09-16 16:38:37,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:37,775 INFO L225 Difference]: With dead ends: 399 [2019-09-16 16:38:37,776 INFO L226 Difference]: Without dead ends: 216 [2019-09-16 16:38:37,777 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:38:37,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2019-09-16 16:38:37,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2019-09-16 16:38:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2019-09-16 16:38:37,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2019-09-16 16:38:37,794 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 92 [2019-09-16 16:38:37,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:37,795 INFO L475 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2019-09-16 16:38:37,795 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:38:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2019-09-16 16:38:37,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:37,796 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:37,797 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:37,797 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:37,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:37,797 INFO L82 PathProgramCache]: Analyzing trace with hash 463270673, now seen corresponding path program 1 times [2019-09-16 16:38:37,798 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:37,798 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:37,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:37,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:37,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:37,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:37,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-16 16:38:37,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-16 16:38:37,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-16 16:38:37,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:37,905 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 8 states. [2019-09-16 16:38:37,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:37,945 INFO L93 Difference]: Finished difference Result 411 states and 481 transitions. [2019-09-16 16:38:37,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-16 16:38:37,946 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-09-16 16:38:37,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:37,949 INFO L225 Difference]: With dead ends: 411 [2019-09-16 16:38:37,949 INFO L226 Difference]: Without dead ends: 223 [2019-09-16 16:38:37,950 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-16 16:38:37,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2019-09-16 16:38:37,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2019-09-16 16:38:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-09-16 16:38:37,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 250 transitions. [2019-09-16 16:38:37,976 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 250 transitions. Word has length 92 [2019-09-16 16:38:37,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:37,976 INFO L475 AbstractCegarLoop]: Abstraction has 220 states and 250 transitions. [2019-09-16 16:38:37,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-16 16:38:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 250 transitions. [2019-09-16 16:38:37,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-16 16:38:37,979 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:37,979 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:37,980 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:37,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:37,980 INFO L82 PathProgramCache]: Analyzing trace with hash -2106215726, now seen corresponding path program 1 times [2019-09-16 16:38:37,980 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:37,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:37,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:37,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:38,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:38,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:38,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-16 16:38:38,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-16 16:38:38,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-16 16:38:38,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:38:38,086 INFO L87 Difference]: Start difference. First operand 220 states and 250 transitions. Second operand 4 states. [2019-09-16 16:38:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:38,329 INFO L93 Difference]: Finished difference Result 639 states and 763 transitions. [2019-09-16 16:38:38,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-16 16:38:38,334 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-09-16 16:38:38,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:38,337 INFO L225 Difference]: With dead ends: 639 [2019-09-16 16:38:38,337 INFO L226 Difference]: Without dead ends: 447 [2019-09-16 16:38:38,339 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-16 16:38:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2019-09-16 16:38:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 438. [2019-09-16 16:38:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2019-09-16 16:38:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 512 transitions. [2019-09-16 16:38:38,370 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 512 transitions. Word has length 92 [2019-09-16 16:38:38,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:38,371 INFO L475 AbstractCegarLoop]: Abstraction has 438 states and 512 transitions. [2019-09-16 16:38:38,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-16 16:38:38,371 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 512 transitions. [2019-09-16 16:38:38,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-09-16 16:38:38,373 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:38,373 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-16 16:38:38,373 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:38,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:38,374 INFO L82 PathProgramCache]: Analyzing trace with hash -302189332, now seen corresponding path program 1 times [2019-09-16 16:38:38,374 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:38,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:38,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:38,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-16 16:38:38,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:38:38,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-16 16:38:38,589 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-16 16:38:38,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-16 16:38:38,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:38:38,589 INFO L87 Difference]: Start difference. First operand 438 states and 512 transitions. Second operand 9 states. [2019-09-16 16:38:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:39,573 INFO L93 Difference]: Finished difference Result 1143 states and 1401 transitions. [2019-09-16 16:38:39,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:38:39,578 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-09-16 16:38:39,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:39,586 INFO L225 Difference]: With dead ends: 1143 [2019-09-16 16:38:39,586 INFO L226 Difference]: Without dead ends: 801 [2019-09-16 16:38:39,589 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-09-16 16:38:39,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2019-09-16 16:38:39,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 728. [2019-09-16 16:38:39,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-09-16 16:38:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 841 transitions. [2019-09-16 16:38:39,653 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 841 transitions. Word has length 96 [2019-09-16 16:38:39,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:39,655 INFO L475 AbstractCegarLoop]: Abstraction has 728 states and 841 transitions. [2019-09-16 16:38:39,655 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-16 16:38:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 841 transitions. [2019-09-16 16:38:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-16 16:38:39,658 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:39,658 INFO L407 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:39,658 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1029431621, now seen corresponding path program 1 times [2019-09-16 16:38:39,659 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:39,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:39,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:39,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:39,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-16 16:38:39,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:39,880 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:39,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:40,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-16 16:38:40,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:40,357 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:38:40,371 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:40,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2019-09-16 16:38:40,372 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:38:40,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:38:40,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:38:40,373 INFO L87 Difference]: Start difference. First operand 728 states and 841 transitions. Second operand 16 states. [2019-09-16 16:38:41,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:41,794 INFO L93 Difference]: Finished difference Result 1628 states and 1961 transitions. [2019-09-16 16:38:41,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-16 16:38:41,794 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2019-09-16 16:38:41,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:41,805 INFO L225 Difference]: With dead ends: 1628 [2019-09-16 16:38:41,805 INFO L226 Difference]: Without dead ends: 994 [2019-09-16 16:38:41,811 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2019-09-16 16:38:41,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2019-09-16 16:38:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 874. [2019-09-16 16:38:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2019-09-16 16:38:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1021 transitions. [2019-09-16 16:38:41,881 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1021 transitions. Word has length 157 [2019-09-16 16:38:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:41,882 INFO L475 AbstractCegarLoop]: Abstraction has 874 states and 1021 transitions. [2019-09-16 16:38:41,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:38:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1021 transitions. [2019-09-16 16:38:41,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-09-16 16:38:41,890 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:41,890 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:41,890 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:41,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:41,891 INFO L82 PathProgramCache]: Analyzing trace with hash 321853011, now seen corresponding path program 1 times [2019-09-16 16:38:41,891 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:41,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:41,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:41,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:41,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-09-16 16:38:42,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:42,061 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:42,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:42,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 22 conjunts are in the unsatisfiable core [2019-09-16 16:38:42,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:42,572 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 197 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:38:42,586 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:42,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 12] total 16 [2019-09-16 16:38:42,588 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-16 16:38:42,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-16 16:38:42,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2019-09-16 16:38:42,589 INFO L87 Difference]: Start difference. First operand 874 states and 1021 transitions. Second operand 16 states. [2019-09-16 16:38:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:45,064 INFO L93 Difference]: Finished difference Result 2206 states and 2970 transitions. [2019-09-16 16:38:45,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-09-16 16:38:45,065 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 273 [2019-09-16 16:38:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:45,077 INFO L225 Difference]: With dead ends: 2206 [2019-09-16 16:38:45,077 INFO L226 Difference]: Without dead ends: 1379 [2019-09-16 16:38:45,085 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=209, Invalid=913, Unknown=0, NotChecked=0, Total=1122 [2019-09-16 16:38:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2019-09-16 16:38:45,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 963. [2019-09-16 16:38:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-09-16 16:38:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1100 transitions. [2019-09-16 16:38:45,169 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1100 transitions. Word has length 273 [2019-09-16 16:38:45,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:45,170 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1100 transitions. [2019-09-16 16:38:45,170 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-16 16:38:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1100 transitions. [2019-09-16 16:38:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-16 16:38:45,176 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:45,177 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:45,177 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:45,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:45,178 INFO L82 PathProgramCache]: Analyzing trace with hash -883700725, now seen corresponding path program 1 times [2019-09-16 16:38:45,178 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:45,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:45,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:45,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:45,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2019-09-16 16:38:45,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:45,398 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:45,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:45,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 12 conjunts are in the unsatisfiable core [2019-09-16 16:38:45,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 235 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-16 16:38:45,963 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:45,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 20 [2019-09-16 16:38:45,965 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-09-16 16:38:45,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-09-16 16:38:45,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2019-09-16 16:38:45,966 INFO L87 Difference]: Start difference. First operand 963 states and 1100 transitions. Second operand 20 states. [2019-09-16 16:38:47,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:47,575 INFO L93 Difference]: Finished difference Result 1815 states and 2088 transitions. [2019-09-16 16:38:47,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-16 16:38:47,576 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2019-09-16 16:38:47,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:47,584 INFO L225 Difference]: With dead ends: 1815 [2019-09-16 16:38:47,584 INFO L226 Difference]: Without dead ends: 965 [2019-09-16 16:38:47,588 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=162, Invalid=830, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:38:47,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2019-09-16 16:38:47,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 963. [2019-09-16 16:38:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-09-16 16:38:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1096 transitions. [2019-09-16 16:38:47,673 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1096 transitions. Word has length 289 [2019-09-16 16:38:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:47,676 INFO L475 AbstractCegarLoop]: Abstraction has 963 states and 1096 transitions. [2019-09-16 16:38:47,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-09-16 16:38:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1096 transitions. [2019-09-16 16:38:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-09-16 16:38:47,684 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:47,685 INFO L407 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-09-16 16:38:47,685 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:47,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:47,685 INFO L82 PathProgramCache]: Analyzing trace with hash 2086447840, now seen corresponding path program 1 times [2019-09-16 16:38:47,686 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:47,686 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:47,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:47,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:47,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-09-16 16:38:48,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:48,202 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:48,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:48,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 1241 conjuncts, 28 conjunts are in the unsatisfiable core [2019-09-16 16:38:48,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-16 16:38:48,788 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:48,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 14 [2019-09-16 16:38:48,790 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-16 16:38:48,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-16 16:38:48,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:38:48,791 INFO L87 Difference]: Start difference. First operand 963 states and 1096 transitions. Second operand 14 states. [2019-09-16 16:38:51,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:51,399 INFO L93 Difference]: Finished difference Result 2070 states and 2554 transitions. [2019-09-16 16:38:51,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-09-16 16:38:51,399 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2019-09-16 16:38:51,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:51,406 INFO L225 Difference]: With dead ends: 2070 [2019-09-16 16:38:51,406 INFO L226 Difference]: Without dead ends: 1530 [2019-09-16 16:38:51,409 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 309 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2019-09-16 16:38:51,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2019-09-16 16:38:51,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1197. [2019-09-16 16:38:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2019-09-16 16:38:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1368 transitions. [2019-09-16 16:38:51,501 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1368 transitions. Word has length 290 [2019-09-16 16:38:51,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:51,502 INFO L475 AbstractCegarLoop]: Abstraction has 1197 states and 1368 transitions. [2019-09-16 16:38:51,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-16 16:38:51,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1368 transitions. [2019-09-16 16:38:51,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-09-16 16:38:51,512 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:51,512 INFO L407 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:51,513 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:51,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:51,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1251062974, now seen corresponding path program 1 times [2019-09-16 16:38:51,513 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:51,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:51,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:51,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:51,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 146 proven. 57 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2019-09-16 16:38:52,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:52,108 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:52,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:52,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-16 16:38:52,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:52,504 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-16 16:38:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 352 proven. 16 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-09-16 16:38:52,677 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-16 16:38:52,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10] total 23 [2019-09-16 16:38:52,680 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-16 16:38:52,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-16 16:38:52,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2019-09-16 16:38:52,681 INFO L87 Difference]: Start difference. First operand 1197 states and 1368 transitions. Second operand 23 states. [2019-09-16 16:38:57,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:57,886 INFO L93 Difference]: Finished difference Result 3359 states and 3981 transitions. [2019-09-16 16:38:57,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2019-09-16 16:38:57,887 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 358 [2019-09-16 16:38:57,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:57,899 INFO L225 Difference]: With dead ends: 3359 [2019-09-16 16:38:57,900 INFO L226 Difference]: Without dead ends: 2177 [2019-09-16 16:38:57,905 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1320 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=631, Invalid=3925, Unknown=0, NotChecked=0, Total=4556 [2019-09-16 16:38:57,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2177 states. [2019-09-16 16:38:58,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2177 to 1881. [2019-09-16 16:38:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2019-09-16 16:38:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2154 transitions. [2019-09-16 16:38:58,013 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2154 transitions. Word has length 358 [2019-09-16 16:38:58,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:58,014 INFO L475 AbstractCegarLoop]: Abstraction has 1881 states and 2154 transitions. [2019-09-16 16:38:58,014 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-16 16:38:58,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2154 transitions. [2019-09-16 16:38:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-09-16 16:38:58,020 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:38:58,020 INFO L407 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:38:58,020 INFO L418 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:38:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:38:58,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1551187369, now seen corresponding path program 1 times [2019-09-16 16:38:58,021 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:38:58,021 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:38:58,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:58,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:58,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:38:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 138 proven. 28 refuted. 0 times theorem prover too weak. 679 trivial. 0 not checked. [2019-09-16 16:38:58,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-16 16:38:58,223 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-16 16:38:58,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:38:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:38:58,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 1578 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-16 16:38:58,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-16 16:38:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2019-09-16 16:38:58,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-16 16:38:58,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-16 16:38:58,840 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-16 16:38:58,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-16 16:38:58,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-16 16:38:58,841 INFO L87 Difference]: Start difference. First operand 1881 states and 2154 transitions. Second operand 13 states. [2019-09-16 16:38:58,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:38:58,900 INFO L93 Difference]: Finished difference Result 2131 states and 2433 transitions. [2019-09-16 16:38:58,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-16 16:38:58,901 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 430 [2019-09-16 16:38:58,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:38:58,901 INFO L225 Difference]: With dead ends: 2131 [2019-09-16 16:38:58,902 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:38:58,908 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 429 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-16 16:38:58,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:38:58,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:38:58,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:38:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:38:58,910 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 430 [2019-09-16 16:38:58,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:38:58,910 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:38:58,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-16 16:38:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:38:58,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:38:58,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:39:00,075 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2019-09-16 16:39:00,501 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2019-09-16 16:39:00,722 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 26 [2019-09-16 16:39:01,090 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 37 [2019-09-16 16:39:01,353 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 27 [2019-09-16 16:39:01,475 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 29 [2019-09-16 16:39:02,057 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 41 [2019-09-16 16:39:02,258 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 1 [2019-09-16 16:39:02,410 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 1 [2019-09-16 16:39:02,729 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-16 16:39:02,896 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 27 [2019-09-16 16:39:03,135 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 22 [2019-09-16 16:39:03,306 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 24 [2019-09-16 16:39:03,667 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2019-09-16 16:39:03,806 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-09-16 16:39:03,928 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2019-09-16 16:39:04,204 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 36 [2019-09-16 16:39:04,577 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-09-16 16:39:04,735 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 24 [2019-09-16 16:39:05,003 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 25 [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point L668(lines 645 669) no Hoare annotation was computed. [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 621 676) no Hoare annotation was computed. [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 656) no Hoare annotation was computed. [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point L652-1(lines 652 656) no Hoare annotation was computed. [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2019-09-16 16:39:05,142 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 621 676) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L646-2(lines 646 667) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 621 676) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L704(line 704) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L703-2(lines 703 728) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L729(lines 702 730) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 677 736) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-09-16 16:39:05,143 INFO L443 ceAbstractionStarter]: For program point L722-1(line 722) no Hoare annotation was computed. [2019-09-16 16:39:05,144 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 677 736) no Hoare annotation was computed. [2019-09-16 16:39:05,144 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 677 736) no Hoare annotation was computed. [2019-09-16 16:39:05,144 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2019-09-16 16:39:05,144 INFO L443 ceAbstractionStarter]: For program point L709-1(lines 709 713) no Hoare annotation was computed. [2019-09-16 16:39:05,145 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 552 558) the Hoare annotation is: true [2019-09-16 16:39:05,145 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 552 558) no Hoare annotation was computed. [2019-09-16 16:39:05,145 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 559 567) no Hoare annotation was computed. [2019-09-16 16:39:05,145 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 559 567) the Hoare annotation is: true [2019-09-16 16:39:05,145 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 559 567) no Hoare annotation was computed. [2019-09-16 16:39:05,145 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 936 943) the Hoare annotation is: (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,145 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 936 943) no Hoare annotation was computed. [2019-09-16 16:39:05,145 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 936 943) no Hoare annotation was computed. [2019-09-16 16:39:05,146 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 944 953) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse1 .cse2) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2))) [2019-09-16 16:39:05,146 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 944 953) no Hoare annotation was computed. [2019-09-16 16:39:05,146 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 944 953) no Hoare annotation was computed. [2019-09-16 16:39:05,146 INFO L443 ceAbstractionStarter]: For program point L949(line 949) no Hoare annotation was computed. [2019-09-16 16:39:05,146 INFO L443 ceAbstractionStarter]: For program point L962-1(lines 954 982) no Hoare annotation was computed. [2019-09-16 16:39:05,146 INFO L446 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: true [2019-09-16 16:39:05,146 INFO L443 ceAbstractionStarter]: For program point L960-1(line 960) no Hoare annotation was computed. [2019-09-16 16:39:05,147 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 954 982) the Hoare annotation is: true [2019-09-16 16:39:05,147 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 954 982) no Hoare annotation was computed. [2019-09-16 16:39:05,147 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse2 .cse3 .cse1) (or .cse2 .cse4 .cse0 .cse1) (or .cse2 .cse4 .cse3 .cse1))) [2019-09-16 16:39:05,147 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2019-09-16 16:39:05,147 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 976) no Hoare annotation was computed. [2019-09-16 16:39:05,147 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (let ((.cse1 (= __utac_acc__Specification5_spec__3_~tmp~9 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 2))) (.cse4 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse5 .cse4) (or (not (<= 1 ~switchedOnBeforeTS~0)) .cse0 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse5 .cse4))) [2019-09-16 16:39:05,148 INFO L443 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2019-09-16 16:39:05,148 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 979) no Hoare annotation was computed. [2019-09-16 16:39:05,148 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 510 532) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,148 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 510 532) no Hoare annotation was computed. [2019-09-16 16:39:05,148 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 510 532) no Hoare annotation was computed. [2019-09-16 16:39:05,148 INFO L439 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,148 INFO L439 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,149 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 527) no Hoare annotation was computed. [2019-09-16 16:39:05,149 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 520 527) no Hoare annotation was computed. [2019-09-16 16:39:05,149 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-09-16 16:39:05,149 INFO L439 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,149 INFO L439 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,149 INFO L439 ceAbstractionStarter]: At program point L516-1(line 516) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,149 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 464 487) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L477(line 477) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 464 487) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 464 487) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L474(line 474) no Hoare annotation was computed. [2019-09-16 16:39:05,150 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L471(line 471) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 168 176) the Hoare annotation is: true [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 168 176) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L446 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: true [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L241-2(lines 241 245) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L443 ceAbstractionStarter]: For program point L239-1(line 239) no Hoare annotation was computed. [2019-09-16 16:39:05,151 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 232 250) the Hoare annotation is: true [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 232 250) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 232 250) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point L184(lines 184 192) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point L184-2(lines 184 192) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 177 212) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 177 212) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 204) no Hoare annotation was computed. [2019-09-16 16:39:05,152 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 545 551) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 545 551) the Hoare annotation is: true [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 575 620) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 575 620) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 575 620) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 888 933) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 915) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 888 933) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point L902(lines 902 922) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 888 933) no Hoare annotation was computed. [2019-09-16 16:39:05,153 INFO L443 ceAbstractionStarter]: For program point L902-1(lines 902 922) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 496 506) the Hoare annotation is: (or (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 496 506) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 496 506) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L439 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 157 167) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 157 167) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 149 156) the Hoare annotation is: (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2019-09-16 16:39:05,154 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 149 156) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 400 413) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 400 413) the Hoare annotation is: true [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 400 413) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (= 1 processEnvironment_~tmp~1) (= ~pumpRunning~0 1)) (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse3) .cse1))) [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L439 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or (or .cse3 (not (= ~waterLevel~0 2)) .cse2) .cse0))) [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2019-09-16 16:39:05,155 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0 .cse1 .cse2) (or (or (or .cse3 (not (= ~waterLevel~0 2)) .cse2) .cse0) .cse4) (or .cse4 .cse3 .cse0 .cse1 .cse2))) [2019-09-16 16:39:05,156 INFO L439 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 .cse4 .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse4 .cse1))) [2019-09-16 16:39:05,156 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2019-09-16 16:39:05,156 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse3) .cse1))) [2019-09-16 16:39:05,156 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2019-09-16 16:39:05,156 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2019-09-16 16:39:05,156 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 255 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,156 INFO L439 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse2 (and .cse0 (= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))))) [2019-09-16 16:39:05,156 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 291) no Hoare annotation was computed. [2019-09-16 16:39:05,156 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2019-09-16 16:39:05,156 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 255 318) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (and .cse0 (= 1 ~waterLevel~0))) (not (<= 1 ~systemActive~0)))) [2019-09-16 16:39:05,157 INFO L439 ceAbstractionStarter]: At program point L308(lines 265 310) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)))) [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L275-1(lines 275 281) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 271) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L439 ceAbstractionStarter]: At program point L311(lines 264 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L439 ceAbstractionStarter]: At program point L301-2(lines 295 306) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (let ((.cse2 (and .cse0 (= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and (= ~pumpRunning~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0))))) [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L266(lines 265 310) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 306) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 255 318) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point L862(lines 862 869) no Hoare annotation was computed. [2019-09-16 16:39:05,157 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 842 887) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 876) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 876) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 842 887) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 842 887) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 414 422) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 414 422) the Hoare annotation is: true [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 414 422) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 368 390) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 384) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 368 390) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 368 390) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 535 544) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 535 544) no Hoare annotation was computed. [2019-09-16 16:39:05,158 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 535 544) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L768(lines 768 784) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 739 841) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 835) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L789(lines 788 808) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L785(lines 785 826) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 739 841) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2019-09-16 16:39:05,159 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 767) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 838) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point L788-2(lines 788 808) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 739 841) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point L809(lines 787 810) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,160 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:39:05,160 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 141 148) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 141 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~waterLevel~0 2)) (not (<= 1 ~systemActive~0))) [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 213 231) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 226) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L446 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: true [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 226) no Hoare annotation was computed. [2019-09-16 16:39:05,161 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 213 231) the Hoare annotation is: true [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 213 231) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 391 399) the Hoare annotation is: true [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 391 399) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 391 399) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point L351-1(lines 347 358) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 347 358) the Hoare annotation is: true [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 347 358) no Hoare annotation was computed. [2019-09-16 16:39:05,162 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 359 367) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 359 367) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 359 367) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L439 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (let ((.cse0 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 2 ~waterLevel~0) (= ~pumpRunning~0 1))) (or .cse2 .cse0 .cse1) (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2019-09-16 16:39:05,163 INFO L443 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2019-09-16 16:39:05,164 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and .cse0 .cse1) (or .cse2 .cse3 .cse4)) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse4) (or (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse5 .cse4) (or .cse2 (and .cse1 .cse0) .cse5 .cse4) (or (or (or .cse3 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse1)))) [2019-09-16 16:39:05,164 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2019-09-16 16:39:05,164 INFO L439 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (and (or (and (and .cse0 (= 2 ~waterLevel~0)) .cse1) (or .cse2 .cse3 .cse4)) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or (or .cse3 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and .cse0 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1) (< 0 ~waterLevel~0))))) [2019-09-16 16:39:05,164 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2019-09-16 16:39:05,164 INFO L439 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse0))) (and (or (and (<= 1 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) (< 0 ~waterLevel~0) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (= ~pumpRunning~0 1) .cse5) (or .cse4 .cse1 .cse2) .cse3)))) [2019-09-16 16:39:05,164 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-09-16 16:39:05,165 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 434 463) no Hoare annotation was computed. [2019-09-16 16:39:05,165 INFO L446 ceAbstractionStarter]: At program point L448-1(lines 448 452) the Hoare annotation is: true [2019-09-16 16:39:05,165 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-09-16 16:39:05,165 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 434 463) the Hoare annotation is: true [2019-09-16 16:39:05,165 INFO L446 ceAbstractionStarter]: At program point L444-2(lines 444 458) the Hoare annotation is: true [2019-09-16 16:39:05,165 INFO L446 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: true [2019-09-16 16:39:05,165 INFO L443 ceAbstractionStarter]: For program point L440-1(line 440) no Hoare annotation was computed. [2019-09-16 16:39:05,165 INFO L446 ceAbstractionStarter]: At program point L459(lines 434 463) the Hoare annotation is: true [2019-09-16 16:39:05,165 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-09-16 16:39:05,166 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 323 334) the Hoare annotation is: (or (or (or (not (<= 1 ~systemActive~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (not (= 1 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-16 16:39:05,166 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 323 334) no Hoare annotation was computed. [2019-09-16 16:39:05,166 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 323 334) no Hoare annotation was computed. [2019-09-16 16:39:05,166 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 488 494) no Hoare annotation was computed. [2019-09-16 16:39:05,166 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 488 494) the Hoare annotation is: true [2019-09-16 16:39:05,166 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,166 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2019-09-16 16:39:05,166 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:39:05,166 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:39:05,167 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 90 114) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-16 16:39:05,167 INFO L439 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse1) .cse2) .cse3) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-09-16 16:39:05,167 INFO L443 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2019-09-16 16:39:05,167 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2019-09-16 16:39:05,167 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 90 114) no Hoare annotation was computed. [2019-09-16 16:39:05,167 INFO L439 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or .cse0 (not (= ~waterLevel~0 2)) .cse2) .cse1))) [2019-09-16 16:39:05,167 INFO L443 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2019-09-16 16:39:05,168 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse2 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (or (or .cse1 (not (= ~waterLevel~0 2)) .cse2) .cse3)) (or .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse0 .cse2))) [2019-09-16 16:39:05,168 INFO L439 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (or (or .cse0 (not (= ~waterLevel~0 2)) .cse2) .cse1) (= ~pumpRunning~0 0)))) [2019-09-16 16:39:05,168 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2019-09-16 16:39:05,168 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 335 346) no Hoare annotation was computed. [2019-09-16 16:39:05,168 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 335 346) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse3) (or .cse0 (or (not (= |old(~waterLevel~0)| 1)) .cse2) .cse1) (or .cse2 .cse0 (not (= 1 ~pumpRunning~0)) .cse3))) [2019-09-16 16:39:05,168 INFO L443 ceAbstractionStarter]: For program point L339-1(lines 335 346) no Hoare annotation was computed. [2019-09-16 16:39:05,168 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 424 431) no Hoare annotation was computed. [2019-09-16 16:39:05,168 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 428) no Hoare annotation was computed. [2019-09-16 16:39:05,169 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 424 431) the Hoare annotation is: true [2019-09-16 16:39:05,169 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 424 431) no Hoare annotation was computed. [2019-09-16 16:39:05,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:39:05 BoogieIcfgContainer [2019-09-16 16:39:05,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:39:05,185 INFO L168 Benchmark]: Toolchain (without parser) took 32367.13 ms. Allocated memory was 131.1 MB in the beginning and 850.9 MB in the end (delta: 719.8 MB). Free memory was 85.6 MB in the beginning and 736.8 MB in the end (delta: -651.2 MB). Peak memory consumption was 672.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,186 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.11 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.4 MB in the beginning and 161.2 MB in the end (delta: -75.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,188 INFO L168 Benchmark]: Boogie Preprocessor took 91.90 ms. Allocated memory is still 197.7 MB. Free memory was 161.2 MB in the beginning and 157.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,189 INFO L168 Benchmark]: RCFGBuilder took 1250.63 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 156.7 MB in the beginning and 187.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,190 INFO L168 Benchmark]: TraceAbstraction took 30369.03 ms. Allocated memory was 218.6 MB in the beginning and 850.9 MB in the end (delta: 632.3 MB). Free memory was 187.8 MB in the beginning and 736.8 MB in the end (delta: -549.0 MB). Peak memory consumption was 687.6 MB. Max. memory is 7.1 GB. [2019-09-16 16:39:05,194 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 131.1 MB. Free memory was 105.3 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.11 ms. Allocated memory was 131.1 MB in the beginning and 197.7 MB in the end (delta: 66.6 MB). Free memory was 85.4 MB in the beginning and 161.2 MB in the end (delta: -75.9 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.90 ms. Allocated memory is still 197.7 MB. Free memory was 161.2 MB in the beginning and 157.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1250.63 ms. Allocated memory was 197.7 MB in the beginning and 218.6 MB in the end (delta: 21.0 MB). Free memory was 156.7 MB in the beginning and 187.8 MB in the end (delta: -31.1 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 30369.03 ms. Allocated memory was 218.6 MB in the beginning and 850.9 MB in the end (delta: 632.3 MB). Free memory was 187.8 MB in the beginning and 736.8 MB in the end (delta: -549.0 MB). Peak memory consumption was 687.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 428]: 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: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && waterLevel == 2) && pumpRunning == 1)) || (((pumpRunning == switchedOnBeforeTS && 0 == splverifierCounter) && waterLevel == 2) && pumpRunning == 0)) || ((0 == splverifierCounter && \old(waterLevel) == waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(1 <= systemActive) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. SAFE Result, 30.2s OverallTime, 15 OverallIterations, 11 TraceHistogramMax, 16.2s AutomataDifference, 0.0s DeadEndRemovalTime, 6.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2918 SDtfs, 4957 SDslu, 9099 SDs, 0 SdLazy, 11694 SolverSat, 3201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2134 GetRequests, 1881 SyntacticMatches, 5 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2020 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1881occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 15 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2925 PreInvPairs, 2977 NumberOfFragments, 1613 HoareAnnotationTreeSize, 2925 FomulaSimplifications, 30332 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 31057 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 4330 NumberOfCodeBlocks, 4330 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4309 ConstructedInterpolants, 0 QuantifiedInterpolants, 1753435 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7583 ConjunctsInSsa, 91 ConjunctsInUnsatCore, 21 InterpolantComputations, 10 PerfectInterpolantSequences, 4403/4661 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...