./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_spec1_product46.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 17:24:27,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:24:27,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:24:27,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:24:27,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:24:27,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:24:27,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:24:27,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:24:27,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:24:27,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:24:27,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:24:27,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:24:27,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:24:27,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:24:27,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:24:27,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:24:27,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:24:27,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:24:27,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:24:27,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:24:27,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:24:27,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:24:27,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:24:27,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:24:27,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:24:27,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:24:27,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:24:27,843 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:24:27,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:24:27,845 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:24:27,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:24:27,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:24:27,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:24:27,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:24:27,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:24:27,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:24:27,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:24:27,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:24:27,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:24:27,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:24:27,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:24:27,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:24:27,871 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:24:27,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:24:27,874 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:24:27,874 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:24:27,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:24:27,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:24:27,875 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:24:27,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:24:27,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:24:27,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:24:27,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:24:27,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:24:27,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:24:27,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:24:27,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:24:27,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:24:27,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:24:27,880 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:24:27,880 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:24:27,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:24:27,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:24:27,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:27,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:24:27,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:24:27,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:24:27,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:24:27,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:24:27,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:24:27,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:24:27,883 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(__VERIFIER_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 -> e7c5f28f8e853ca099a40c34c7e85dac8d6464b4 [2019-11-28 17:24:28,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:24:28,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:24:28,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:24:28,256 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:24:28,256 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:24:28,257 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-11-28 17:24:28,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3101f18b8/aaaa8ae29620490e94dd60849497e6dd/FLAG5825a9d26 [2019-11-28 17:24:28,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:24:28,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c [2019-11-28 17:24:28,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3101f18b8/aaaa8ae29620490e94dd60849497e6dd/FLAG5825a9d26 [2019-11-28 17:24:29,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3101f18b8/aaaa8ae29620490e94dd60849497e6dd [2019-11-28 17:24:29,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:24:29,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:24:29,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:29,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:24:29,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:24:29,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce269f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29, skipping insertion in model container [2019-11-28 17:24:29,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:24:29,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:24:29,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:29,695 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:24:29,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:24:29,830 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:24:29,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29 WrapperNode [2019-11-28 17:24:29,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:24:29,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:29,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:24:29,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:24:29,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:24:29,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:24:29,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:24:29,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:24:29,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... [2019-11-28 17:24:29,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:24:29,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:24:29,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:24:29,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:24:29,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:24:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:24:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:24:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:24:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:24:30,965 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:24:30,966 INFO L287 CfgBuilder]: Removed 194 assume(true) statements. [2019-11-28 17:24:30,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:30 BoogieIcfgContainer [2019-11-28 17:24:30,967 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:24:30,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:24:30,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:24:30,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:24:30,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:24:29" (1/3) ... [2019-11-28 17:24:30,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0ebd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:30, skipping insertion in model container [2019-11-28 17:24:30,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:24:29" (2/3) ... [2019-11-28 17:24:30,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0ebd84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:24:30, skipping insertion in model container [2019-11-28 17:24:30,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:30" (3/3) ... [2019-11-28 17:24:30,980 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-11-28 17:24:30,991 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:24:30,999 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:24:31,011 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:24:31,039 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:24:31,039 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:24:31,039 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:24:31,040 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:24:31,040 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:24:31,040 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:24:31,040 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:24:31,041 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:24:31,067 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-11-28 17:24:31,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:24:31,076 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,078 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:31,078 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1027746333, now seen corresponding path program 1 times [2019-11-28 17:24:31,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,090 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599825895] [2019-11-28 17:24:31,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599825895] [2019-11-28 17:24:31,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:31,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702839093] [2019-11-28 17:24:31,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:24:31,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:24:31,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:31,367 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2019-11-28 17:24:31,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,410 INFO L93 Difference]: Finished difference Result 252 states and 377 transitions. [2019-11-28 17:24:31,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:24:31,412 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:24:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,425 INFO L225 Difference]: With dead ends: 252 [2019-11-28 17:24:31,426 INFO L226 Difference]: Without dead ends: 125 [2019-11-28 17:24:31,430 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:24:31,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-11-28 17:24:31,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-11-28 17:24:31,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-11-28 17:24:31,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-11-28 17:24:31,483 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 180 transitions. Word has length 16 [2019-11-28 17:24:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,484 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-11-28 17:24:31,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:24:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2019-11-28 17:24:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:24:31,485 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,486 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:24:31,486 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,487 INFO L82 PathProgramCache]: Analyzing trace with hash -2074503230, now seen corresponding path program 1 times [2019-11-28 17:24:31,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627845127] [2019-11-28 17:24:31,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627845127] [2019-11-28 17:24:31,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:31,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291684131] [2019-11-28 17:24:31,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:31,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:31,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,639 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. Second operand 3 states. [2019-11-28 17:24:31,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,655 INFO L93 Difference]: Finished difference Result 125 states and 180 transitions. [2019-11-28 17:24:31,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:31,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:24:31,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,657 INFO L225 Difference]: With dead ends: 125 [2019-11-28 17:24:31,657 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 17:24:31,658 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 17:24:31,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 17:24:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:24:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2019-11-28 17:24:31,666 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 17 [2019-11-28 17:24:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,666 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2019-11-28 17:24:31,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:31,667 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2019-11-28 17:24:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:24:31,668 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,668 INFO L410 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] [2019-11-28 17:24:31,668 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,669 INFO L82 PathProgramCache]: Analyzing trace with hash 640818778, now seen corresponding path program 1 times [2019-11-28 17:24:31,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,669 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640813362] [2019-11-28 17:24:31,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,753 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640813362] [2019-11-28 17:24:31,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:24:31,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884457225] [2019-11-28 17:24:31,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:31,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:31,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,755 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand 3 states. [2019-11-28 17:24:31,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,792 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2019-11-28 17:24:31,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:31,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-11-28 17:24:31,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,794 INFO L225 Difference]: With dead ends: 96 [2019-11-28 17:24:31,795 INFO L226 Difference]: Without dead ends: 51 [2019-11-28 17:24:31,795 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-11-28 17:24:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-11-28 17:24:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-11-28 17:24:31,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2019-11-28 17:24:31,804 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 22 [2019-11-28 17:24:31,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,805 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2019-11-28 17:24:31,805 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2019-11-28 17:24:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:24:31,806 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,806 INFO L410 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] [2019-11-28 17:24:31,807 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,807 INFO L82 PathProgramCache]: Analyzing trace with hash -855709928, now seen corresponding path program 1 times [2019-11-28 17:24:31,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229935584] [2019-11-28 17:24:31,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:31,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:31,905 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229935584] [2019-11-28 17:24:31,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:31,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:31,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899336622] [2019-11-28 17:24:31,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:31,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:31,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:31,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:31,908 INFO L87 Difference]: Start difference. First operand 51 states and 72 transitions. Second operand 3 states. [2019-11-28 17:24:31,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:31,976 INFO L93 Difference]: Finished difference Result 117 states and 168 transitions. [2019-11-28 17:24:31,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:31,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:24:31,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:31,979 INFO L225 Difference]: With dead ends: 117 [2019-11-28 17:24:31,979 INFO L226 Difference]: Without dead ends: 72 [2019-11-28 17:24:31,980 INFO L630 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 [2019-11-28 17:24:31,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2019-11-28 17:24:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 70. [2019-11-28 17:24:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-11-28 17:24:31,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 98 transitions. [2019-11-28 17:24:31,992 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 98 transitions. Word has length 24 [2019-11-28 17:24:31,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:31,992 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 98 transitions. [2019-11-28 17:24:31,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2019-11-28 17:24:31,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-28 17:24:31,996 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:31,996 INFO L410 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] [2019-11-28 17:24:31,996 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:31,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:31,997 INFO L82 PathProgramCache]: Analyzing trace with hash -407287284, now seen corresponding path program 1 times [2019-11-28 17:24:31,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:31,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476707276] [2019-11-28 17:24:31,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:32,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:32,151 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476707276] [2019-11-28 17:24:32,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:32,152 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:32,152 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638502003] [2019-11-28 17:24:32,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:32,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:32,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:32,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:32,154 INFO L87 Difference]: Start difference. First operand 70 states and 98 transitions. Second operand 5 states. [2019-11-28 17:24:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:32,346 INFO L93 Difference]: Finished difference Result 335 states and 484 transitions. [2019-11-28 17:24:32,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 17:24:32,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2019-11-28 17:24:32,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:32,350 INFO L225 Difference]: With dead ends: 335 [2019-11-28 17:24:32,350 INFO L226 Difference]: Without dead ends: 271 [2019-11-28 17:24:32,351 INFO L630 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 [2019-11-28 17:24:32,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-11-28 17:24:32,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 128. [2019-11-28 17:24:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 17:24:32,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 179 transitions. [2019-11-28 17:24:32,375 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 179 transitions. Word has length 30 [2019-11-28 17:24:32,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:32,376 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 179 transitions. [2019-11-28 17:24:32,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 179 transitions. [2019-11-28 17:24:32,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-11-28 17:24:32,377 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:32,377 INFO L410 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] [2019-11-28 17:24:32,378 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:32,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:32,378 INFO L82 PathProgramCache]: Analyzing trace with hash 264481218, now seen corresponding path program 1 times [2019-11-28 17:24:32,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:32,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282290527] [2019-11-28 17:24:32,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:32,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:32,495 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282290527] [2019-11-28 17:24:32,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:32,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:32,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533198370] [2019-11-28 17:24:32,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:32,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:32,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:32,499 INFO L87 Difference]: Start difference. First operand 128 states and 179 transitions. Second operand 5 states. [2019-11-28 17:24:32,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:32,648 INFO L93 Difference]: Finished difference Result 366 states and 516 transitions. [2019-11-28 17:24:32,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:24:32,648 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-11-28 17:24:32,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:32,651 INFO L225 Difference]: With dead ends: 366 [2019-11-28 17:24:32,651 INFO L226 Difference]: Without dead ends: 364 [2019-11-28 17:24:32,652 INFO L630 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 [2019-11-28 17:24:32,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2019-11-28 17:24:32,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2019-11-28 17:24:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-11-28 17:24:32,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 178 transitions. [2019-11-28 17:24:32,675 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 178 transitions. Word has length 31 [2019-11-28 17:24:32,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:32,676 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 178 transitions. [2019-11-28 17:24:32,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2019-11-28 17:24:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:32,678 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:32,678 INFO L410 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] [2019-11-28 17:24:32,680 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:32,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:32,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1178247995, now seen corresponding path program 1 times [2019-11-28 17:24:32,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:32,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404995553] [2019-11-28 17:24:32,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:32,762 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404995553] [2019-11-28 17:24:32,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:32,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:24:32,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540054207] [2019-11-28 17:24:32,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:24:32,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:32,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:24:32,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:24:32,768 INFO L87 Difference]: Start difference. First operand 128 states and 178 transitions. Second operand 5 states. [2019-11-28 17:24:32,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:32,859 INFO L93 Difference]: Finished difference Result 336 states and 464 transitions. [2019-11-28 17:24:32,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:24:32,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:24:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:32,863 INFO L225 Difference]: With dead ends: 336 [2019-11-28 17:24:32,863 INFO L226 Difference]: Without dead ends: 214 [2019-11-28 17:24:32,864 INFO L630 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 [2019-11-28 17:24:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-11-28 17:24:32,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 140. [2019-11-28 17:24:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2019-11-28 17:24:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2019-11-28 17:24:32,892 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 34 [2019-11-28 17:24:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:32,892 INFO L462 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2019-11-28 17:24:32,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:24:32,893 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2019-11-28 17:24:32,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:32,898 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:32,898 INFO L410 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] [2019-11-28 17:24:32,899 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:32,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:32,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1765054009, now seen corresponding path program 1 times [2019-11-28 17:24:32,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:32,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428095295] [2019-11-28 17:24:32,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:32,957 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428095295] [2019-11-28 17:24:32,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:32,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:24:32,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200474252] [2019-11-28 17:24:32,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:24:32,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:32,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:24:32,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:24:32,960 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 4 states. [2019-11-28 17:24:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:33,012 INFO L93 Difference]: Finished difference Result 332 states and 448 transitions. [2019-11-28 17:24:33,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:24:33,013 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-28 17:24:33,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:33,014 INFO L225 Difference]: With dead ends: 332 [2019-11-28 17:24:33,014 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 17:24:33,016 INFO L630 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 [2019-11-28 17:24:33,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 17:24:33,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 148. [2019-11-28 17:24:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-11-28 17:24:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 198 transitions. [2019-11-28 17:24:33,031 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 198 transitions. Word has length 34 [2019-11-28 17:24:33,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:33,032 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 198 transitions. [2019-11-28 17:24:33,032 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:24:33,032 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 198 transitions. [2019-11-28 17:24:33,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:24:33,037 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:33,037 INFO L410 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] [2019-11-28 17:24:33,038 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:33,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:33,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1250049609, now seen corresponding path program 1 times [2019-11-28 17:24:33,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:33,039 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013509262] [2019-11-28 17:24:33,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:33,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:33,094 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013509262] [2019-11-28 17:24:33,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:33,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:24:33,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434337005] [2019-11-28 17:24:33,096 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:24:33,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:33,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:24:33,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:24:33,098 INFO L87 Difference]: Start difference. First operand 148 states and 198 transitions. Second operand 3 states. [2019-11-28 17:24:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:33,137 INFO L93 Difference]: Finished difference Result 340 states and 454 transitions. [2019-11-28 17:24:33,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:24:33,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 17:24:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:33,139 INFO L225 Difference]: With dead ends: 340 [2019-11-28 17:24:33,139 INFO L226 Difference]: Without dead ends: 198 [2019-11-28 17:24:33,140 INFO L630 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 [2019-11-28 17:24:33,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-11-28 17:24:33,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2019-11-28 17:24:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 17:24:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 258 transitions. [2019-11-28 17:24:33,164 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 258 transitions. Word has length 34 [2019-11-28 17:24:33,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:33,164 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 258 transitions. [2019-11-28 17:24:33,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:24:33,164 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 258 transitions. [2019-11-28 17:24:33,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-28 17:24:33,166 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:33,166 INFO L410 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] [2019-11-28 17:24:33,167 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:33,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:33,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1528481977, now seen corresponding path program 1 times [2019-11-28 17:24:33,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:33,168 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523331486] [2019-11-28 17:24:33,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:24:33,261 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523331486] [2019-11-28 17:24:33,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:24:33,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 17:24:33,262 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142268823] [2019-11-28 17:24:33,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:24:33,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:33,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:24:33,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:24:33,265 INFO L87 Difference]: Start difference. First operand 198 states and 258 transitions. Second operand 6 states. [2019-11-28 17:24:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:33,586 INFO L93 Difference]: Finished difference Result 666 states and 866 transitions. [2019-11-28 17:24:33,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-28 17:24:33,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-11-28 17:24:33,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:33,589 INFO L225 Difference]: With dead ends: 666 [2019-11-28 17:24:33,590 INFO L226 Difference]: Without dead ends: 474 [2019-11-28 17:24:33,591 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-11-28 17:24:33,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-11-28 17:24:33,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 198. [2019-11-28 17:24:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2019-11-28 17:24:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 253 transitions. [2019-11-28 17:24:33,614 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 253 transitions. Word has length 35 [2019-11-28 17:24:33,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:33,614 INFO L462 AbstractCegarLoop]: Abstraction has 198 states and 253 transitions. [2019-11-28 17:24:33,614 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:24:33,615 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 253 transitions. [2019-11-28 17:24:33,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-28 17:24:33,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:24:33,616 INFO L410 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] [2019-11-28 17:24:33,616 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:24:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:24:33,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1889774882, now seen corresponding path program 1 times [2019-11-28 17:24:33,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:24:33,617 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165806435] [2019-11-28 17:24:33,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:24:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:24:33,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165806435] [2019-11-28 17:24:33,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363690872] [2019-11-28 17:24:33,696 INFO L94 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 [2019-11-28 17:24:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:24:33,852 INFO L264 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 17:24:33,860 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:24:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-28 17:24:33,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 17:24:33,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2019-11-28 17:24:33,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125343549] [2019-11-28 17:24:33,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:24:33,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:24:33,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:24:33,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:24:33,961 INFO L87 Difference]: Start difference. First operand 198 states and 253 transitions. Second operand 6 states. [2019-11-28 17:24:34,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:24:34,234 INFO L93 Difference]: Finished difference Result 497 states and 639 transitions. [2019-11-28 17:24:34,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-28 17:24:34,235 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-11-28 17:24:34,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:24:34,235 INFO L225 Difference]: With dead ends: 497 [2019-11-28 17:24:34,235 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:24:34,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2019-11-28 17:24:34,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:24:34,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:24:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:24:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:24:34,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-11-28 17:24:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:24:34,238 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:24:34,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:24:34,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:24:34,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:24:34,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:24:34,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:24:34,661 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 95 [2019-11-28 17:24:35,027 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 76 [2019-11-28 17:24:35,215 WARN L192 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 101 [2019-11-28 17:24:35,370 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 66 [2019-11-28 17:24:35,560 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-11-28 17:24:35,762 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 100 [2019-11-28 17:24:36,386 WARN L192 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 18 [2019-11-28 17:24:36,568 WARN L192 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 18 [2019-11-28 17:24:36,844 WARN L192 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-11-28 17:24:37,107 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2019-11-28 17:24:37,483 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 14 [2019-11-28 17:24:38,003 WARN L192 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 13 [2019-11-28 17:24:38,383 WARN L192 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 14 [2019-11-28 17:24:38,918 WARN L192 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2019-11-28 17:24:39,459 WARN L192 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 13 [2019-11-28 17:24:39,594 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,594 INFO L242 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,594 INFO L242 CegarLoopResult]: At program point L135-1(lines 135 141) the Hoare annotation is: false [2019-11-28 17:24:39,595 INFO L242 CegarLoopResult]: At program point L135-2(lines 135 141) the Hoare annotation is: false [2019-11-28 17:24:39,595 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L500(lines 500 504) no Hoare annotation was computed. [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L500-3(lines 500 504) no Hoare annotation was computed. [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L500-6(lines 500 504) no Hoare annotation was computed. [2019-11-28 17:24:39,595 INFO L242 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: false [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,595 INFO L246 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-3(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-5(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-6(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-8(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-9(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-11(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-12(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-14(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,596 INFO L246 CegarLoopResult]: For program point L305-15(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,597 INFO L246 CegarLoopResult]: For program point L305-17(lines 305 309) no Hoare annotation was computed. [2019-11-28 17:24:39,598 INFO L242 CegarLoopResult]: At program point L537(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:24:39,598 INFO L242 CegarLoopResult]: At program point L537-1(lines 532 540) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:39,598 INFO L242 CegarLoopResult]: At program point L537-2(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,598 INFO L242 CegarLoopResult]: At program point L537-3(lines 532 540) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,599 INFO L242 CegarLoopResult]: At program point L537-4(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,599 INFO L242 CegarLoopResult]: At program point L537-5(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,599 INFO L242 CegarLoopResult]: At program point L537-6(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,599 INFO L246 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-11-28 17:24:39,599 INFO L242 CegarLoopResult]: At program point L537-7(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,600 INFO L246 CegarLoopResult]: For program point L339-1(lines 128 134) no Hoare annotation was computed. [2019-11-28 17:24:39,600 INFO L242 CegarLoopResult]: At program point L537-8(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,600 INFO L242 CegarLoopResult]: At program point L537-9(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,600 INFO L242 CegarLoopResult]: At program point L537-10(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,600 INFO L242 CegarLoopResult]: At program point L537-11(lines 532 540) the Hoare annotation is: false [2019-11-28 17:24:39,601 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-28 17:24:39,601 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,601 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,601 INFO L246 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-11-28 17:24:39,602 INFO L242 CegarLoopResult]: At program point L475-1(lines 1 952) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,602 INFO L246 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-11-28 17:24:39,602 INFO L246 CegarLoopResult]: For program point L475-2(lines 475 488) no Hoare annotation was computed. [2019-11-28 17:24:39,602 INFO L242 CegarLoopResult]: At program point L475-3(lines 1 952) the Hoare annotation is: false [2019-11-28 17:24:39,602 INFO L249 CegarLoopResult]: At program point L409-1(lines 409 416) the Hoare annotation is: true [2019-11-28 17:24:39,603 INFO L246 CegarLoopResult]: For program point L475-4(lines 475 488) no Hoare annotation was computed. [2019-11-28 17:24:39,603 INFO L242 CegarLoopResult]: At program point L475-5(lines 1 952) the Hoare annotation is: false [2019-11-28 17:24:39,603 INFO L242 CegarLoopResult]: At program point L311(lines 296 314) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:39,603 INFO L242 CegarLoopResult]: At program point L311-1(lines 296 314) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,603 INFO L242 CegarLoopResult]: At program point L311-2(lines 296 314) the Hoare annotation is: false [2019-11-28 17:24:39,604 INFO L242 CegarLoopResult]: At program point L311-3(lines 296 314) the Hoare annotation is: false [2019-11-28 17:24:39,604 INFO L242 CegarLoopResult]: At program point L311-4(lines 296 314) the Hoare annotation is: false [2019-11-28 17:24:39,604 INFO L242 CegarLoopResult]: At program point L311-5(lines 296 314) the Hoare annotation is: false [2019-11-28 17:24:39,604 INFO L246 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,604 INFO L246 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,605 INFO L246 CegarLoopResult]: For program point L577-2(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,605 INFO L246 CegarLoopResult]: For program point L577-3(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,605 INFO L242 CegarLoopResult]: At program point L445(lines 1 952) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:39,605 INFO L246 CegarLoopResult]: For program point L577-4(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,605 INFO L246 CegarLoopResult]: For program point L577-5(lines 577 583) no Hoare annotation was computed. [2019-11-28 17:24:39,606 INFO L242 CegarLoopResult]: At program point L247(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-11-28 17:24:39,606 INFO L242 CegarLoopResult]: At program point L247-1(lines 240 250) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:39,606 INFO L242 CegarLoopResult]: At program point L247-2(lines 240 250) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,606 INFO L242 CegarLoopResult]: At program point L247-3(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,606 INFO L242 CegarLoopResult]: At program point L247-4(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,607 INFO L242 CegarLoopResult]: At program point L247-5(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,607 INFO L242 CegarLoopResult]: At program point L247-6(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,607 INFO L242 CegarLoopResult]: At program point L247-7(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,607 INFO L242 CegarLoopResult]: At program point L247-8(lines 240 250) the Hoare annotation is: false [2019-11-28 17:24:39,607 INFO L246 CegarLoopResult]: For program point L512(lines 512 516) no Hoare annotation was computed. [2019-11-28 17:24:39,607 INFO L246 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-11-28 17:24:39,608 INFO L246 CegarLoopResult]: For program point L479-2(lines 479 485) no Hoare annotation was computed. [2019-11-28 17:24:39,608 INFO L246 CegarLoopResult]: For program point L479-4(lines 479 485) no Hoare annotation was computed. [2019-11-28 17:24:39,608 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-28 17:24:39,608 INFO L242 CegarLoopResult]: At program point L383(lines 379 385) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:39,608 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:24:39,609 INFO L242 CegarLoopResult]: At program point L582(lines 573 586) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:39,609 INFO L242 CegarLoopResult]: At program point L582-1(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,609 INFO L242 CegarLoopResult]: At program point L582-2(lines 573 586) the Hoare annotation is: false [2019-11-28 17:24:39,609 INFO L242 CegarLoopResult]: At program point L582-3(lines 573 586) the Hoare annotation is: false [2019-11-28 17:24:39,609 INFO L242 CegarLoopResult]: At program point L582-4(lines 573 586) the Hoare annotation is: false [2019-11-28 17:24:39,610 INFO L242 CegarLoopResult]: At program point L582-5(lines 573 586) the Hoare annotation is: false [2019-11-28 17:24:39,610 INFO L246 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-11-28 17:24:39,610 INFO L246 CegarLoopResult]: For program point L186-1(lines 186 203) no Hoare annotation was computed. [2019-11-28 17:24:39,610 INFO L246 CegarLoopResult]: For program point L186-2(lines 186 203) no Hoare annotation was computed. [2019-11-28 17:24:39,610 INFO L249 CegarLoopResult]: At program point L418(lines 399 421) the Hoare annotation is: true [2019-11-28 17:24:39,610 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-28 17:24:39,611 INFO L242 CegarLoopResult]: At program point L453(lines 448 456) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:24:39,611 INFO L246 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,611 INFO L246 CegarLoopResult]: For program point L222-2(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,611 INFO L246 CegarLoopResult]: For program point L222-4(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,611 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-28 17:24:39,611 INFO L246 CegarLoopResult]: For program point L222-6(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,612 INFO L246 CegarLoopResult]: For program point L222-8(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,612 INFO L246 CegarLoopResult]: For program point L222-10(lines 222 228) no Hoare annotation was computed. [2019-11-28 17:24:39,612 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:24:39,612 INFO L242 CegarLoopResult]: At program point L256(lines 251 259) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 1 ~methaneLevelCritical~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:24:39,612 INFO L242 CegarLoopResult]: At program point L256-1(lines 251 259) the Hoare annotation is: false [2019-11-28 17:24:39,613 INFO L246 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-11-28 17:24:39,613 INFO L242 CegarLoopResult]: At program point L256-2(lines 251 259) the Hoare annotation is: false [2019-11-28 17:24:39,613 INFO L246 CegarLoopResult]: For program point L190-1(lines 190 198) no Hoare annotation was computed. [2019-11-28 17:24:39,613 INFO L246 CegarLoopResult]: For program point L190-2(lines 190 198) no Hoare annotation was computed. [2019-11-28 17:24:39,613 INFO L246 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-11-28 17:24:39,613 INFO L242 CegarLoopResult]: At program point L93-2(lines 128 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,614 INFO L246 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,614 INFO L246 CegarLoopResult]: For program point L160-1(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,614 INFO L246 CegarLoopResult]: For program point L160-2(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,614 INFO L246 CegarLoopResult]: For program point L160-3(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:24:39,615 INFO L246 CegarLoopResult]: For program point L160-4(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,615 INFO L246 CegarLoopResult]: For program point L160-5(lines 160 177) no Hoare annotation was computed. [2019-11-28 17:24:39,615 INFO L246 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2019-11-28 17:24:39,615 INFO L242 CegarLoopResult]: At program point L128(lines 127 146) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse0 .cse1 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,615 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-11-28 17:24:39,616 INFO L242 CegarLoopResult]: At program point L128-2(lines 127 146) the Hoare annotation is: false [2019-11-28 17:24:39,616 INFO L242 CegarLoopResult]: At program point L128-3(lines 127 146) the Hoare annotation is: false [2019-11-28 17:24:39,616 INFO L246 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,616 INFO L246 CegarLoopResult]: For program point L164-1(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,616 INFO L246 CegarLoopResult]: For program point L164-2(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,616 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-28 17:24:39,617 INFO L246 CegarLoopResult]: For program point L164-3(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,617 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~6 0) .cse2) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-11-28 17:24:39,617 INFO L246 CegarLoopResult]: For program point L164-4(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,617 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:24:39,617 INFO L246 CegarLoopResult]: For program point L164-5(lines 164 172) no Hoare annotation was computed. [2019-11-28 17:24:39,618 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,618 INFO L246 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,618 INFO L246 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,618 INFO L246 CegarLoopResult]: For program point L462-2(line 462) no Hoare annotation was computed. [2019-11-28 17:24:39,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:24:39 BoogieIcfgContainer [2019-11-28 17:24:39,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:24:39,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:24:39,647 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:24:39,647 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:24:39,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:24:30" (3/4) ... [2019-11-28 17:24:39,652 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:24:39,672 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:24:39,674 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:24:39,675 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:24:39,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:24:39,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:24:39,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:39,679 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:24:39,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,715 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,719 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,721 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:24:39,722 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 17:24:39,726 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter [2019-11-28 17:24:39,731 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:39,732 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,732 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:39,732 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-28 17:24:39,732 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:39,733 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-11-28 17:24:39,859 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:24:39,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:24:39,861 INFO L168 Benchmark]: Toolchain (without parser) took 10680.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 339.2 MB). Free memory was 957.7 MB in the beginning and 1.2 GB in the end (delta: -254.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,861 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:39,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,862 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:24:39,863 INFO L168 Benchmark]: RCFGBuilder took 1000.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,863 INFO L168 Benchmark]: TraceAbstraction took 8677.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). Peak memory consumption was 395.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,863 INFO L168 Benchmark]: Witness Printer took 212.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-28 17:24:39,865 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -166.2 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1000.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 77.1 MB). Peak memory consumption was 77.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8677.44 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.0 MB). Peak memory consumption was 395.3 MB. Max. memory is 11.5 GB. * Witness Printer took 212.41 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 462]: 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: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 448]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && tmp == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: ((((1 == systemActive && \result == 0) && 1 == \result) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 == \result) && pumpRunning == 0) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 == \result) && 1 == \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 532]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 3 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, HoareTripleCheckerStatistics: 1210 SDtfs, 1514 SDslu, 2023 SDs, 0 SdLazy, 335 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 134 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 781 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 55 PreInvPairs, 201 NumberOfFragments, 561 HoareAnnotationTreeSize, 55 FomulaSimplifications, 291812 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 55 FomulaSimplificationsInter, 103223 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 385 NumberOfCodeBlocks, 385 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 22612 SizeOfPredicates, 6 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 26/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...