./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fa33aaad762eafbf16a24d8c461c30e65889576 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:45,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:45,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:45,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:45,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:45,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:45,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:45,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:45,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:45,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:45,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:45,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:45,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:45,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:45,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:45,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:45,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:45,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:45,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:45,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:45,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:45,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:45,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:45,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:45,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:45,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:45,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:45,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:45,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:45,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:45,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:45,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:45,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:45,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:45,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:45,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:45,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:45,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:45,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:45,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:45,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:45,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:45,862 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:45,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:45,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:45,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:45,866 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:45,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:45,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:45,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:45,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:45,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:45,868 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:45,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:45,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:45,869 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:45,869 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:45,869 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:45,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:45,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:45,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:45,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:45,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:45,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:45,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:45,873 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:45,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa33aaad762eafbf16a24d8c461c30e65889576 [2020-10-20 01:42:46,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:46,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:46,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:46,116 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:46,117 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:46,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-10-20 01:42:46,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03fd26a4/f0a318125f6a4bb59159844a5bda834d/FLAG35aa3cfbd [2020-10-20 01:42:46,639 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:46,640 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2020-10-20 01:42:46,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03fd26a4/f0a318125f6a4bb59159844a5bda834d/FLAG35aa3cfbd [2020-10-20 01:42:46,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c03fd26a4/f0a318125f6a4bb59159844a5bda834d [2020-10-20 01:42:46,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:46,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:46,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:46,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:46,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:46,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:46" (1/1) ... [2020-10-20 01:42:46,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331577c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:46, skipping insertion in model container [2020-10-20 01:42:46,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:46" (1/1) ... [2020-10-20 01:42:46,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:47,048 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:47,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:47,559 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:47,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:47,674 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:47,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47 WrapperNode [2020-10-20 01:42:47,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:47,676 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:47,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:47,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:47,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:47,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:47,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:47,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:47,777 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... [2020-10-20 01:42:47,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:47,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:47,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:47,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:47,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:48,995 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:48,996 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-20 01:42:48,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:48 BoogieIcfgContainer [2020-10-20 01:42:48,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:49,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:49,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:49,003 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:49,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:46" (1/3) ... [2020-10-20 01:42:49,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bda3f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:49, skipping insertion in model container [2020-10-20 01:42:49,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:47" (2/3) ... [2020-10-20 01:42:49,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bda3f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:49, skipping insertion in model container [2020-10-20 01:42:49,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:48" (3/3) ... [2020-10-20 01:42:49,007 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2020-10-20 01:42:49,020 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:49,028 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:49,039 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:49,063 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:49,063 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:49,077 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:49,078 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:49,078 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:49,078 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:49,079 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:49,079 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-20 01:42:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:49,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:49,106 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:49,106 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:49,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:49,111 INFO L82 PathProgramCache]: Analyzing trace with hash 71626657, now seen corresponding path program 1 times [2020-10-20 01:42:49,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:49,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132211440] [2020-10-20 01:42:49,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:49,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:49,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132211440] [2020-10-20 01:42:49,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:49,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:49,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486807829] [2020-10-20 01:42:49,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:49,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:49,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:49,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:49,426 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-10-20 01:42:49,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:49,466 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2020-10-20 01:42:49,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:49,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:49,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:49,484 INFO L225 Difference]: With dead ends: 278 [2020-10-20 01:42:49,487 INFO L226 Difference]: Without dead ends: 137 [2020-10-20 01:42:49,494 INFO L677 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 [2020-10-20 01:42:49,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-20 01:42:49,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-20 01:42:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-20 01:42:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-10-20 01:42:49,554 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-10-20 01:42:49,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:49,554 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-10-20 01:42:49,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-10-20 01:42:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:49,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:49,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:49,557 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:49,557 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:49,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:49,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1842049795, now seen corresponding path program 1 times [2020-10-20 01:42:49,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:49,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412280933] [2020-10-20 01:42:49,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:49,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412280933] [2020-10-20 01:42:49,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:49,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:49,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981609766] [2020-10-20 01:42:49,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:49,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:49,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:49,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:49,741 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-10-20 01:42:49,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:49,762 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-10-20 01:42:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:49,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:49,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:49,764 INFO L225 Difference]: With dead ends: 137 [2020-10-20 01:42:49,765 INFO L226 Difference]: Without dead ends: 57 [2020-10-20 01:42:49,766 INFO L677 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 [2020-10-20 01:42:49,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-20 01:42:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-10-20 01:42:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-20 01:42:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-10-20 01:42:49,774 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-10-20 01:42:49,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:49,774 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-10-20 01:42:49,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-10-20 01:42:49,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:49,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:49,778 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:49,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:49,781 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:49,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:49,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1901621695, now seen corresponding path program 1 times [2020-10-20 01:42:49,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:49,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260345246] [2020-10-20 01:42:49,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:49,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:49,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260345246] [2020-10-20 01:42:49,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:49,901 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:49,901 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855746620] [2020-10-20 01:42:49,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:49,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:49,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:49,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:49,903 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-10-20 01:42:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:49,937 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-10-20 01:42:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:49,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-10-20 01:42:49,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:49,939 INFO L225 Difference]: With dead ends: 157 [2020-10-20 01:42:49,939 INFO L226 Difference]: Without dead ends: 107 [2020-10-20 01:42:49,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:49,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-20 01:42:49,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-10-20 01:42:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-20 01:42:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-10-20 01:42:49,969 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-10-20 01:42:49,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:49,970 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-10-20 01:42:49,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:49,971 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-10-20 01:42:49,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:49,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:49,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:49,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:49,974 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1082042232, now seen corresponding path program 1 times [2020-10-20 01:42:49,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:49,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376395696] [2020-10-20 01:42:49,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:50,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376395696] [2020-10-20 01:42:50,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:50,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:50,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544398561] [2020-10-20 01:42:50,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:50,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:50,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:50,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:50,101 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-10-20 01:42:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:50,149 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-10-20 01:42:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:50,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-20 01:42:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:50,151 INFO L225 Difference]: With dead ends: 242 [2020-10-20 01:42:50,151 INFO L226 Difference]: Without dead ends: 146 [2020-10-20 01:42:50,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:50,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-20 01:42:50,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-10-20 01:42:50,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-20 01:42:50,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-10-20 01:42:50,168 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-10-20 01:42:50,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:50,169 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-10-20 01:42:50,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:50,169 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-10-20 01:42:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-20 01:42:50,170 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:50,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:50,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:50,171 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:50,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:50,189 INFO L82 PathProgramCache]: Analyzing trace with hash -2071837624, now seen corresponding path program 1 times [2020-10-20 01:42:50,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:50,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635604022] [2020-10-20 01:42:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:50,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635604022] [2020-10-20 01:42:50,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:50,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:50,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874821971] [2020-10-20 01:42:50,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:50,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:50,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:50,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:50,323 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-10-20 01:42:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:50,538 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-10-20 01:42:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:50,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-20 01:42:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:50,545 INFO L225 Difference]: With dead ends: 756 [2020-10-20 01:42:50,545 INFO L226 Difference]: Without dead ends: 619 [2020-10-20 01:42:50,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:50,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-10-20 01:42:50,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-10-20 01:42:50,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-20 01:42:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-10-20 01:42:50,612 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-10-20 01:42:50,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:50,615 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-10-20 01:42:50,615 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:50,615 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-10-20 01:42:50,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-20 01:42:50,617 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:50,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:50,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:50,617 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:50,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:50,618 INFO L82 PathProgramCache]: Analyzing trace with hash 788984512, now seen corresponding path program 1 times [2020-10-20 01:42:50,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:50,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004132950] [2020-10-20 01:42:50,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:50,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004132950] [2020-10-20 01:42:50,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:50,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:50,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20013036] [2020-10-20 01:42:50,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:50,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:50,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:50,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:50,679 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-10-20 01:42:50,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:50,870 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-10-20 01:42:50,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 01:42:50,871 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-20 01:42:50,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:50,875 INFO L225 Difference]: With dead ends: 1029 [2020-10-20 01:42:50,876 INFO L226 Difference]: Without dead ends: 769 [2020-10-20 01:42:50,877 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-10-20 01:42:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-10-20 01:42:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-10-20 01:42:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-10-20 01:42:50,906 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-10-20 01:42:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:50,907 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-10-20 01:42:50,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-10-20 01:42:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:50,909 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:50,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:50,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 01:42:50,909 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:50,910 INFO L82 PathProgramCache]: Analyzing trace with hash -782080822, now seen corresponding path program 1 times [2020-10-20 01:42:50,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:50,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679694451] [2020-10-20 01:42:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:50,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679694451] [2020-10-20 01:42:50,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:50,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:50,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236207107] [2020-10-20 01:42:50,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:42:50,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:50,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:42:50,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:50,972 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 4 states. [2020-10-20 01:42:51,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:51,071 INFO L93 Difference]: Finished difference Result 773 states and 1104 transitions. [2020-10-20 01:42:51,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:42:51,072 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2020-10-20 01:42:51,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:51,075 INFO L225 Difference]: With dead ends: 773 [2020-10-20 01:42:51,075 INFO L226 Difference]: Without dead ends: 515 [2020-10-20 01:42:51,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:51,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-10-20 01:42:51,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 281. [2020-10-20 01:42:51,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-10-20 01:42:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-10-20 01:42:51,103 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-10-20 01:42:51,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:51,103 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-10-20 01:42:51,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:42:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-10-20 01:42:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:51,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:51,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:51,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-20 01:42:51,105 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:51,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:51,105 INFO L82 PathProgramCache]: Analyzing trace with hash 229036428, now seen corresponding path program 1 times [2020-10-20 01:42:51,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:51,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209433290] [2020-10-20 01:42:51,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:51,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209433290] [2020-10-20 01:42:51,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:51,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:51,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361064335] [2020-10-20 01:42:51,174 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:51,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:51,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:51,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:51,175 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-10-20 01:42:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:51,298 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-10-20 01:42:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:51,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-20 01:42:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:51,303 INFO L225 Difference]: With dead ends: 735 [2020-10-20 01:42:51,303 INFO L226 Difference]: Without dead ends: 461 [2020-10-20 01:42:51,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-10-20 01:42:51,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-10-20 01:42:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-10-20 01:42:51,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-10-20 01:42:51,334 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-10-20 01:42:51,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:51,335 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-10-20 01:42:51,335 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-10-20 01:42:51,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-20 01:42:51,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:51,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:51,338 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-20 01:42:51,339 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:51,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:51,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1803149176, now seen corresponding path program 1 times [2020-10-20 01:42:51,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:51,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001155174] [2020-10-20 01:42:51,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:51,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001155174] [2020-10-20 01:42:51,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:51,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:51,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678118363] [2020-10-20 01:42:51,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:51,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:51,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:51,424 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-10-20 01:42:51,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:51,476 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-10-20 01:42:51,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:51,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-10-20 01:42:51,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:51,480 INFO L225 Difference]: With dead ends: 707 [2020-10-20 01:42:51,480 INFO L226 Difference]: Without dead ends: 409 [2020-10-20 01:42:51,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:51,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-10-20 01:42:51,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-10-20 01:42:51,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-10-20 01:42:51,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-10-20 01:42:51,515 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-10-20 01:42:51,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:51,516 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-10-20 01:42:51,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-10-20 01:42:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 01:42:51,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:51,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:51,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-20 01:42:51,519 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:51,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:51,520 INFO L82 PathProgramCache]: Analyzing trace with hash 1017339336, now seen corresponding path program 1 times [2020-10-20 01:42:51,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:51,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514367610] [2020-10-20 01:42:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:51,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:51,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514367610] [2020-10-20 01:42:51,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:51,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:51,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370495045] [2020-10-20 01:42:51,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:51,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:51,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:51,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:51,625 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-10-20 01:42:52,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:52,076 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-10-20 01:42:52,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-20 01:42:52,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-10-20 01:42:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:52,081 INFO L225 Difference]: With dead ends: 1257 [2020-10-20 01:42:52,082 INFO L226 Difference]: Without dead ends: 855 [2020-10-20 01:42:52,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-20 01:42:52,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-10-20 01:42:52,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-10-20 01:42:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-10-20 01:42:52,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-10-20 01:42:52,119 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-10-20 01:42:52,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:52,119 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-10-20 01:42:52,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:52,119 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-10-20 01:42:52,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-20 01:42:52,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:52,121 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:42:52,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-20 01:42:52,121 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:52,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:52,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1332185050, now seen corresponding path program 1 times [2020-10-20 01:42:52,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:52,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980730943] [2020-10-20 01:42:52,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-20 01:42:52,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980730943] [2020-10-20 01:42:52,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:52,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:52,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022809345] [2020-10-20 01:42:52,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:52,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:52,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:52,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:52,176 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-10-20 01:42:52,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:52,253 INFO L93 Difference]: Finished difference Result 497 states and 647 transitions. [2020-10-20 01:42:52,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:52,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-10-20 01:42:52,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:52,255 INFO L225 Difference]: With dead ends: 497 [2020-10-20 01:42:52,255 INFO L226 Difference]: Without dead ends: 204 [2020-10-20 01:42:52,256 INFO L677 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 [2020-10-20 01:42:52,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-10-20 01:42:52,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2020-10-20 01:42:52,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-20 01:42:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 256 transitions. [2020-10-20 01:42:52,273 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 256 transitions. Word has length 54 [2020-10-20 01:42:52,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:52,273 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 256 transitions. [2020-10-20 01:42:52,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 256 transitions. [2020-10-20 01:42:52,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-20 01:42:52,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:52,275 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-20 01:42:52,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-20 01:42:52,275 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:52,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1913318755, now seen corresponding path program 1 times [2020-10-20 01:42:52,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:52,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506370565] [2020-10-20 01:42:52,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:52,329 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:52,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506370565] [2020-10-20 01:42:52,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:52,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:52,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594538256] [2020-10-20 01:42:52,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:52,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:52,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:52,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:52,331 INFO L87 Difference]: Start difference. First operand 204 states and 256 transitions. Second operand 3 states. [2020-10-20 01:42:52,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:52,378 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2020-10-20 01:42:52,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:52,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-10-20 01:42:52,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:52,381 INFO L225 Difference]: With dead ends: 319 [2020-10-20 01:42:52,381 INFO L226 Difference]: Without dead ends: 317 [2020-10-20 01:42:52,382 INFO L677 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 [2020-10-20 01:42:52,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-20 01:42:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 230. [2020-10-20 01:42:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-20 01:42:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 294 transitions. [2020-10-20 01:42:52,402 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 294 transitions. Word has length 58 [2020-10-20 01:42:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:52,403 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 294 transitions. [2020-10-20 01:42:52,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 294 transitions. [2020-10-20 01:42:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:42:52,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:52,404 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:42:52,404 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-20 01:42:52,404 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:52,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:52,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1735772514, now seen corresponding path program 1 times [2020-10-20 01:42:52,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:52,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195089249] [2020-10-20 01:42:52,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:52,536 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-20 01:42:52,536 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195089249] [2020-10-20 01:42:52,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:52,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:52,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807564235] [2020-10-20 01:42:52,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:52,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:52,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:52,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:52,538 INFO L87 Difference]: Start difference. First operand 230 states and 294 transitions. Second operand 5 states. [2020-10-20 01:42:52,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:52,802 INFO L93 Difference]: Finished difference Result 647 states and 848 transitions. [2020-10-20 01:42:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:52,803 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:42:52,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:52,805 INFO L225 Difference]: With dead ends: 647 [2020-10-20 01:42:52,805 INFO L226 Difference]: Without dead ends: 474 [2020-10-20 01:42:52,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:52,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2020-10-20 01:42:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 319. [2020-10-20 01:42:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-10-20 01:42:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2020-10-20 01:42:52,839 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 82 [2020-10-20 01:42:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:52,839 INFO L481 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2020-10-20 01:42:52,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2020-10-20 01:42:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:42:52,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:52,841 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:42:52,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-20 01:42:52,841 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:52,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:52,841 INFO L82 PathProgramCache]: Analyzing trace with hash 714704160, now seen corresponding path program 1 times [2020-10-20 01:42:52,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:52,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770486971] [2020-10-20 01:42:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:52,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770486971] [2020-10-20 01:42:52,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779858456] [2020-10-20 01:42:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:42:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:53,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 01:42:53,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:53,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 01:42:53,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-20 01:42:53,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119490008] [2020-10-20 01:42:53,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 01:42:53,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:53,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 01:42:53,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:53,168 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand 4 states. [2020-10-20 01:42:53,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:53,361 INFO L93 Difference]: Finished difference Result 982 states and 1270 transitions. [2020-10-20 01:42:53,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 01:42:53,361 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-10-20 01:42:53,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:53,365 INFO L225 Difference]: With dead ends: 982 [2020-10-20 01:42:53,365 INFO L226 Difference]: Without dead ends: 667 [2020-10-20 01:42:53,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 01:42:53,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2020-10-20 01:42:53,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 645. [2020-10-20 01:42:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-10-20 01:42:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 821 transitions. [2020-10-20 01:42:53,430 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 821 transitions. Word has length 82 [2020-10-20 01:42:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:53,431 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 821 transitions. [2020-10-20 01:42:53,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 01:42:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 821 transitions. [2020-10-20 01:42:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-20 01:42:53,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:53,433 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:42:53,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-10-20 01:42:53,647 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1341405728, now seen corresponding path program 1 times [2020-10-20 01:42:53,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:53,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628789001] [2020-10-20 01:42:53,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:53,755 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-20 01:42:53,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628789001] [2020-10-20 01:42:53,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015342877] [2020-10-20 01:42:53,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 01:42:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:53,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 01:42:53,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 01:42:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-20 01:42:53,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-20 01:42:53,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-10-20 01:42:53,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201312783] [2020-10-20 01:42:53,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:53,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:53,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:53,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:53,956 INFO L87 Difference]: Start difference. First operand 645 states and 821 transitions. Second operand 5 states. [2020-10-20 01:42:54,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:54,054 INFO L93 Difference]: Finished difference Result 1102 states and 1384 transitions. [2020-10-20 01:42:54,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:54,054 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-10-20 01:42:54,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:54,057 INFO L225 Difference]: With dead ends: 1102 [2020-10-20 01:42:54,057 INFO L226 Difference]: Without dead ends: 464 [2020-10-20 01:42:54,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-20 01:42:54,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-10-20 01:42:54,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 274. [2020-10-20 01:42:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2020-10-20 01:42:54,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 333 transitions. [2020-10-20 01:42:54,091 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 333 transitions. Word has length 82 [2020-10-20 01:42:54,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:54,091 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 333 transitions. [2020-10-20 01:42:54,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:54,091 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 333 transitions. [2020-10-20 01:42:54,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-20 01:42:54,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:54,092 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-20 01:42:54,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-20 01:42:54,307 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:54,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1083755776, now seen corresponding path program 2 times [2020-10-20 01:42:54,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:54,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905611990] [2020-10-20 01:42:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:54,435 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-20 01:42:54,436 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905611990] [2020-10-20 01:42:54,436 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:54,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-20 01:42:54,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229881916] [2020-10-20 01:42:54,437 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 01:42:54,437 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:54,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 01:42:54,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 01:42:54,437 INFO L87 Difference]: Start difference. First operand 274 states and 333 transitions. Second operand 6 states. [2020-10-20 01:42:54,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:54,604 INFO L93 Difference]: Finished difference Result 608 states and 738 transitions. [2020-10-20 01:42:54,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 01:42:54,605 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-10-20 01:42:54,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:54,605 INFO L225 Difference]: With dead ends: 608 [2020-10-20 01:42:54,606 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:54,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:54,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:54,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:54,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-10-20 01:42:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:54,609 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:54,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 01:42:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:54,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:54,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-20 01:42:54,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:55,035 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 115 [2020-10-20 01:42:55,252 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 132 [2020-10-20 01:42:55,383 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 68 [2020-10-20 01:42:55,859 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 171 [2020-10-20 01:42:56,356 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 159 [2020-10-20 01:42:56,720 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 173 [2020-10-20 01:42:56,970 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2020-10-20 01:42:57,098 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 105 [2020-10-20 01:42:57,241 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2020-10-20 01:42:57,504 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 174 [2020-10-20 01:42:57,750 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 25 [2020-10-20 01:42:57,972 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 23 [2020-10-20 01:42:58,447 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 31 [2020-10-20 01:42:58,973 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 38 [2020-10-20 01:42:59,176 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 13 [2020-10-20 01:43:00,038 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-10-20 01:43:00,161 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-10-20 01:43:00,860 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 29 [2020-10-20 01:43:01,572 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 37 [2020-10-20 01:43:01,772 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 23 [2020-10-20 01:43:02,380 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 29 [2020-10-20 01:43:02,792 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 26 [2020-10-20 01:43:03,336 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 38 [2020-10-20 01:43:03,486 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 26 [2020-10-20 01:43:04,162 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 37 [2020-10-20 01:43:04,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,166 INFO L274 CegarLoopResult]: For program point L267(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,166 INFO L274 CegarLoopResult]: For program point L267-2(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,166 INFO L274 CegarLoopResult]: For program point L267-3(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,166 INFO L274 CegarLoopResult]: For program point L102(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L267-5(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L102-1(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L267-6(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L102-2(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L102-3(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,167 INFO L274 CegarLoopResult]: For program point L267-8(lines 267 271) no Hoare annotation was computed. [2020-10-20 01:43:04,168 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,168 INFO L274 CegarLoopResult]: For program point L102-4(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,168 INFO L274 CegarLoopResult]: For program point L102-5(lines 102 119) no Hoare annotation was computed. [2020-10-20 01:43:04,168 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,168 INFO L270 CegarLoopResult]: At program point L532(lines 527 535) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:04,169 INFO L270 CegarLoopResult]: At program point L70(lines 69 88) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 .cse6 .cse3 .cse5) (and .cse6 .cse1 .cse2 .cse3))) [2020-10-20 01:43:04,169 INFO L274 CegarLoopResult]: For program point L70-1(lines 70 76) no Hoare annotation was computed. [2020-10-20 01:43:04,169 INFO L270 CegarLoopResult]: At program point L70-2(lines 69 88) the Hoare annotation is: false [2020-10-20 01:43:04,169 INFO L270 CegarLoopResult]: At program point L70-3(lines 69 88) the Hoare annotation is: false [2020-10-20 01:43:04,169 INFO L270 CegarLoopResult]: At program point L369(lines 364 371) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:04,169 INFO L274 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106-2(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106-3(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106-4(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L106-5(lines 106 114) no Hoare annotation was computed. [2020-10-20 01:43:04,170 INFO L270 CegarLoopResult]: At program point L273(lines 258 276) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp~4 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~1)) (.cse6 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-20 01:43:04,170 INFO L270 CegarLoopResult]: At program point L273-1(lines 258 276) the Hoare annotation is: false [2020-10-20 01:43:04,170 INFO L270 CegarLoopResult]: At program point L273-2(lines 258 276) the Hoare annotation is: false [2020-10-20 01:43:04,170 INFO L274 CegarLoopResult]: For program point L934(lines 934 938) no Hoare annotation was computed. [2020-10-20 01:43:04,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,171 INFO L274 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-10-20 01:43:04,171 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-20 01:43:04,171 INFO L270 CegarLoopResult]: At program point L77(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse6) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse5 .cse1 .cse2 .cse3))) [2020-10-20 01:43:04,171 INFO L270 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: false [2020-10-20 01:43:04,171 INFO L270 CegarLoopResult]: At program point L77-2(lines 77 83) the Hoare annotation is: false [2020-10-20 01:43:04,171 INFO L270 CegarLoopResult]: At program point L1002(lines 997 1005) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2020-10-20 01:43:04,171 INFO L270 CegarLoopResult]: At program point L1002-1(lines 997 1005) the Hoare annotation is: false [2020-10-20 01:43:04,172 INFO L270 CegarLoopResult]: At program point L1002-2(lines 997 1005) the Hoare annotation is: false [2020-10-20 01:43:04,172 INFO L274 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-10-20 01:43:04,172 INFO L270 CegarLoopResult]: At program point L342-1(lines 70 76) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-10-20 01:43:04,172 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-20 01:43:04,172 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-10-20 01:43:04,172 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-10-20 01:43:04,172 INFO L274 CegarLoopResult]: For program point L380(lines 380 397) no Hoare annotation was computed. [2020-10-20 01:43:04,172 INFO L270 CegarLoopResult]: At program point L380-1(lines 1 1005) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-10-20 01:43:04,173 INFO L270 CegarLoopResult]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L380-2(lines 380 397) no Hoare annotation was computed. [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L281(lines 281 287) no Hoare annotation was computed. [2020-10-20 01:43:04,173 INFO L270 CegarLoopResult]: At program point L380-3(lines 1 1005) the Hoare annotation is: false [2020-10-20 01:43:04,173 INFO L270 CegarLoopResult]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1))) [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L380-4(lines 380 397) no Hoare annotation was computed. [2020-10-20 01:43:04,173 INFO L270 CegarLoopResult]: At program point L380-5(lines 1 1005) the Hoare annotation is: false [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L248-2(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,173 INFO L274 CegarLoopResult]: For program point L248-3(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-5(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-6(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-8(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-9(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-11(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-12(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-14(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-15(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L248-17(lines 248 252) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-10-20 01:43:04,174 INFO L274 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L910-3(lines 910 914) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L910-6(lines 910 914) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L270 CegarLoopResult]: At program point L316-1(lines 316 322) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse9 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse9 .cse10) (and .cse8 .cse5 (<= 2 ~waterLevel~0) .cse6 .cse7 .cse4 .cse10) (and .cse8 .cse5 .cse3 .cse9 .cse4 .cse10))) [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L417(lines 417 421) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L384(lines 384 394) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L417-1(lines 70 76) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L384-2(lines 384 394) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L384-4(lines 384 394) no Hoare annotation was computed. [2020-10-20 01:43:04,175 INFO L274 CegarLoopResult]: For program point L385(lines 385 391) no Hoare annotation was computed. [2020-10-20 01:43:04,176 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 391) no Hoare annotation was computed. [2020-10-20 01:43:04,176 INFO L274 CegarLoopResult]: For program point L385-4(lines 385 391) no Hoare annotation was computed. [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947-1(lines 942 950) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947-2(lines 942 950) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse7 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3 .cse4 .cse8) (and .cse7 .cse5 .cse6 (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947-3(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947-4(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,176 INFO L270 CegarLoopResult]: At program point L947-5(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L947-6(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L947-7(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L947-8(lines 942 950) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254(lines 239 257) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254-1(lines 239 257) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse6 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse6 .cse3 .cse4 .cse7 .cse8) (and .cse1 .cse5 .cse6 .cse3 .cse4 .cse7 .cse8))) [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254-2(lines 239 257) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254-3(lines 239 257) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254-4(lines 239 257) the Hoare annotation is: false [2020-10-20 01:43:04,177 INFO L270 CegarLoopResult]: At program point L254-5(lines 239 257) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190(lines 183 193) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190-1(lines 183 193) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190-2(lines 183 193) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190-3(lines 183 193) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190-4(lines 183 193) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L270 CegarLoopResult]: At program point L190-5(lines 183 193) the Hoare annotation is: false [2020-10-20 01:43:04,178 INFO L274 CegarLoopResult]: For program point L488(lines 488 495) no Hoare annotation was computed. [2020-10-20 01:43:04,179 INFO L277 CegarLoopResult]: At program point L488-1(lines 488 495) the Hoare annotation is: true [2020-10-20 01:43:04,179 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:43:04,179 INFO L270 CegarLoopResult]: At program point L524(lines 1 1005) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:04,179 INFO L274 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-10-20 01:43:04,179 INFO L270 CegarLoopResult]: At program point L326-1(lines 326 332) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4) (and .cse1 .cse8 .cse2 .cse3) (and .cse1 .cse8 .cse6 .cse3 .cse7 .cse4) (and .cse8 .cse5 .cse6 .cse3))) [2020-10-20 01:43:04,179 INFO L274 CegarLoopResult]: For program point L128(lines 128 145) no Hoare annotation was computed. [2020-10-20 01:43:04,179 INFO L274 CegarLoopResult]: For program point L128-1(lines 128 145) no Hoare annotation was computed. [2020-10-20 01:43:04,179 INFO L274 CegarLoopResult]: For program point L128-2(lines 128 145) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987-2(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987-3(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987-4(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L987-5(lines 987 993) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L922(lines 922 926) no Hoare annotation was computed. [2020-10-20 01:43:04,180 INFO L270 CegarLoopResult]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-20 01:43:04,180 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L132(lines 132 140) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 140) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 140) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165-6(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165-8(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,181 INFO L274 CegarLoopResult]: For program point L165-10(lines 165 171) no Hoare annotation was computed. [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L199(lines 194 202) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)))) [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L199-1(lines 194 202) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L199-2(lines 194 202) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992(lines 983 996) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992-1(lines 983 996) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992-2(lines 983 996) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992-3(lines 983 996) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992-4(lines 983 996) the Hoare annotation is: false [2020-10-20 01:43:04,182 INFO L270 CegarLoopResult]: At program point L992-5(lines 983 996) the Hoare annotation is: false [2020-10-20 01:43:04,183 INFO L277 CegarLoopResult]: At program point L497(lines 478 500) the Hoare annotation is: true [2020-10-20 01:43:04,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:43:04 BoogieIcfgContainer [2020-10-20 01:43:04,218 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:43:04,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:43:04,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:43:04,219 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:43:04,219 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:48" (3/4) ... [2020-10-20 01:43:04,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:43:04,244 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:43:04,246 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:43:04,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:43:04,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:43:04,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:43:04,251 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:04,252 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:43:04,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-10-20 01:43:04,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-10-20 01:43:04,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:43:04,287 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:43:04,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-10-20 01:43:04,288 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-10-20 01:43:04,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) [2020-10-20 01:43:04,289 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) [2020-10-20 01:43:04,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:04,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-10-20 01:43:04,386 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:43:04,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:43:04,388 INFO L168 Benchmark]: Toolchain (without parser) took 17420.61 ms. Allocated memory was 34.6 MB in the beginning and 142.6 MB in the end (delta: 108.0 MB). Free memory was 10.7 MB in the beginning and 20.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 98.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,389 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.6 kB). Peak memory consumption was 41.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.14 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 9.8 MB in the beginning and 26.2 MB in the end (delta: -16.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.41 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 21.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,390 INFO L168 Benchmark]: Boogie Preprocessor took 54.33 ms. Allocated memory is still 44.0 MB. Free memory was 21.7 MB in the beginning and 18.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,390 INFO L168 Benchmark]: RCFGBuilder took 1178.51 ms. Allocated memory was 44.0 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Free memory was 18.5 MB in the beginning and 15.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,390 INFO L168 Benchmark]: TraceAbstraction took 15218.48 ms. Allocated memory was 48.2 MB in the beginning and 142.6 MB in the end (delta: 94.4 MB). Free memory was 14.7 MB in the beginning and 39.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 98.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,391 INFO L168 Benchmark]: Witness Printer took 168.31 ms. Allocated memory is still 142.6 MB. Free memory was 39.4 MB in the beginning and 20.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:43:04,393 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 33.6 MB. Free memory was 18.5 MB in the beginning and 18.5 MB in the end (delta: 41.6 kB). Peak memory consumption was 41.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 700.14 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 9.8 MB in the beginning and 26.2 MB in the end (delta: -16.4 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 89.41 ms. Allocated memory is still 44.0 MB. Free memory was 26.2 MB in the beginning and 21.7 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 54.33 ms. Allocated memory is still 44.0 MB. Free memory was 21.7 MB in the beginning and 18.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1178.51 ms. Allocated memory was 44.0 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Free memory was 18.5 MB in the beginning and 15.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 12.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 15218.48 ms. Allocated memory was 48.2 MB in the beginning and 142.6 MB in the end (delta: 94.4 MB). Free memory was 14.7 MB in the beginning and 39.4 MB in the end (delta: -24.6 MB). Peak memory consumption was 98.7 MB. Max. memory is 14.3 GB. * Witness Printer took 168.31 ms. Allocated memory is still 142.6 MB. Free memory was 39.4 MB in the beginning and 20.6 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) || ((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel)) || ((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && tmp___0 == 0) && 1 <= waterLevel) - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 983]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: (((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 239]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) || (((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= tmp___0) && 1 <= \result) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1850 SDtfs, 2130 SDslu, 2822 SDs, 0 SdLazy, 365 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 257 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2152 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 228 NumberOfFragments, 1098 HoareAnnotationTreeSize, 57 FomulaSimplifications, 1751980 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 238256 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 892 NumberOfCodeBlocks, 892 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 874 ConstructedInterpolants, 0 QuantifiedInterpolants, 91173 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1031 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 304/340 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...