./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product59.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_spec4_product59.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a35b365de7365eb1088366c2b8165f4a523d787 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:27:07,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 17:27:07,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 17:27:07,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 17:27:07,796 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 17:27:07,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 17:27:07,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 17:27:07,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 17:27:07,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 17:27:07,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 17:27:07,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 17:27:07,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 17:27:07,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 17:27:07,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 17:27:07,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 17:27:07,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 17:27:07,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 17:27:07,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 17:27:07,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 17:27:07,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 17:27:07,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 17:27:07,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 17:27:07,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 17:27:07,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 17:27:07,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 17:27:07,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 17:27:07,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 17:27:07,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 17:27:07,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 17:27:07,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 17:27:07,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 17:27:07,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 17:27:07,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 17:27:07,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 17:27:07,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 17:27:07,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 17:27:07,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 17:27:07,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 17:27:07,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 17:27:07,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 17:27:07,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 17:27:07,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 17:27:07,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 17:27:07,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 17:27:07,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 17:27:07,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 17:27:07,879 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 17:27:07,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 17:27:07,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 17:27:07,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 17:27:07,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 17:27:07,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 17:27:07,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 17:27:07,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 17:27:07,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 17:27:07,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 17:27:07,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 17:27:07,883 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 17:27:07,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 17:27:07,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 17:27:07,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 17:27:07,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 17:27:07,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 17:27:07,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 17:27:07,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 17:27:07,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 17:27:07,886 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 17:27:07,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 17:27:07,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 17:27:07,886 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 17:27:07,887 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 17:27:07,887 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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-11-28 17:27:08,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 17:27:08,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 17:27:08,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 17:27:08,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 17:27:08,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 17:27:08,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-28 17:27:08,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72da248f/2a4662b86e884386b571718014498313/FLAG69402dd03 [2019-11-28 17:27:08,768 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 17:27:08,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-28 17:27:08,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72da248f/2a4662b86e884386b571718014498313/FLAG69402dd03 [2019-11-28 17:27:09,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d72da248f/2a4662b86e884386b571718014498313 [2019-11-28 17:27:09,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 17:27:09,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 17:27:09,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:09,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 17:27:09,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 17:27:09,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2f9c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09, skipping insertion in model container [2019-11-28 17:27:09,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 17:27:09,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 17:27:09,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:09,631 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 17:27:09,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 17:27:09,767 INFO L208 MainTranslator]: Completed translation [2019-11-28 17:27:09,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09 WrapperNode [2019-11-28 17:27:09,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 17:27:09,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:09,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 17:27:09,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 17:27:09,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 17:27:09,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 17:27:09,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 17:27:09,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 17:27:09,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (1/1) ... [2019-11-28 17:27:09,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 17:27:09,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 17:27:09,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 17:27:09,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 17:27:09,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (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 17:27:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 17:27:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 17:27:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 17:27:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 17:27:11,015 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 17:27:11,016 INFO L287 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-28 17:27:11,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:11 BoogieIcfgContainer [2019-11-28 17:27:11,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 17:27:11,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 17:27:11,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 17:27:11,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 17:27:11,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:27:09" (1/3) ... [2019-11-28 17:27:11,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4032d01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:11, skipping insertion in model container [2019-11-28 17:27:11,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:27:09" (2/3) ... [2019-11-28 17:27:11,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4032d01e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:27:11, skipping insertion in model container [2019-11-28 17:27:11,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:11" (3/3) ... [2019-11-28 17:27:11,032 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-11-28 17:27:11,043 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 17:27:11,051 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 17:27:11,066 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 17:27:11,090 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 17:27:11,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 17:27:11,091 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 17:27:11,091 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 17:27:11,091 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 17:27:11,092 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 17:27:11,092 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 17:27:11,092 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 17:27:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2019-11-28 17:27:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-28 17:27:11,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,121 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:11,121 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,128 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2019-11-28 17:27:11,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532540528] [2019-11-28 17:27:11,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,376 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 17:27:11,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532540528] [2019-11-28 17:27:11,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:11,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006723076] [2019-11-28 17:27:11,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 17:27:11,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 17:27:11,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 17:27:11,402 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2019-11-28 17:27:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,442 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2019-11-28 17:27:11,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 17:27:11,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-11-28 17:27:11,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,457 INFO L225 Difference]: With dead ends: 268 [2019-11-28 17:27:11,457 INFO L226 Difference]: Without dead ends: 133 [2019-11-28 17:27:11,461 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 17:27:11,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-28 17:27:11,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-28 17:27:11,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-28 17:27:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2019-11-28 17:27:11,514 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2019-11-28 17:27:11,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,517 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2019-11-28 17:27:11,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 17:27:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2019-11-28 17:27:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-28 17:27:11,519 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,519 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 17:27:11,519 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,521 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2019-11-28 17:27:11,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199053074] [2019-11-28 17:27:11,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,686 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 17:27:11,688 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199053074] [2019-11-28 17:27:11,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 17:27:11,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653568292] [2019-11-28 17:27:11,690 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:11,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:11,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:11,692 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2019-11-28 17:27:11,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:11,724 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2019-11-28 17:27:11,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:11,725 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-28 17:27:11,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:11,727 INFO L225 Difference]: With dead ends: 133 [2019-11-28 17:27:11,729 INFO L226 Difference]: Without dead ends: 55 [2019-11-28 17:27:11,731 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 17:27:11,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-28 17:27:11,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-28 17:27:11,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-28 17:27:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2019-11-28 17:27:11,742 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2019-11-28 17:27:11,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:11,742 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2019-11-28 17:27:11,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2019-11-28 17:27:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-28 17:27:11,744 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:11,744 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 17:27:11,744 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:11,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2019-11-28 17:27:11,745 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:11,745 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421597085] [2019-11-28 17:27:11,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:11,876 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 17:27:11,877 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421597085] [2019-11-28 17:27:11,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:11,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:11,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306515858] [2019-11-28 17:27:11,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:11,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:11,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:11,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:11,879 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2019-11-28 17:27:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,064 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2019-11-28 17:27:12,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:12,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-11-28 17:27:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,070 INFO L225 Difference]: With dead ends: 176 [2019-11-28 17:27:12,070 INFO L226 Difference]: Without dead ends: 127 [2019-11-28 17:27:12,071 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:12,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-28 17:27:12,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2019-11-28 17:27:12,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-28 17:27:12,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2019-11-28 17:27:12,091 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2019-11-28 17:27:12,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,091 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2019-11-28 17:27:12,092 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-11-28 17:27:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 17:27:12,093 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,093 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 17:27:12,094 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2019-11-28 17:27:12,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526304582] [2019-11-28 17:27:12,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,211 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 17:27:12,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526304582] [2019-11-28 17:27:12,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 17:27:12,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79766604] [2019-11-28 17:27:12,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 17:27:12,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 17:27:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 17:27:12,215 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2019-11-28 17:27:12,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,262 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2019-11-28 17:27:12,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 17:27:12,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 17:27:12,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,264 INFO L225 Difference]: With dead ends: 163 [2019-11-28 17:27:12,264 INFO L226 Difference]: Without dead ends: 95 [2019-11-28 17:27:12,266 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 17:27:12,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-11-28 17:27:12,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2019-11-28 17:27:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2019-11-28 17:27:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2019-11-28 17:27:12,280 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2019-11-28 17:27:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,280 INFO L462 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2019-11-28 17:27:12,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 17:27:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2019-11-28 17:27:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-28 17:27:12,282 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,282 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] [2019-11-28 17:27:12,283 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2019-11-28 17:27:12,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425113409] [2019-11-28 17:27:12,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,395 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 17:27:12,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425113409] [2019-11-28 17:27:12,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:12,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098315598] [2019-11-28 17:27:12,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:12,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:12,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:12,398 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2019-11-28 17:27:12,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,529 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2019-11-28 17:27:12,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:12,530 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-28 17:27:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,532 INFO L225 Difference]: With dead ends: 331 [2019-11-28 17:27:12,533 INFO L226 Difference]: Without dead ends: 244 [2019-11-28 17:27:12,534 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:12,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2019-11-28 17:27:12,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2019-11-28 17:27:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 17:27:12,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2019-11-28 17:27:12,572 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2019-11-28 17:27:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,572 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2019-11-28 17:27:12,573 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2019-11-28 17:27:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 17:27:12,578 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,579 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] [2019-11-28 17:27:12,579 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,579 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2019-11-28 17:27:12,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583932182] [2019-11-28 17:27:12,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:12,683 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 17:27:12,684 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583932182] [2019-11-28 17:27:12,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:12,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:12,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693231056] [2019-11-28 17:27:12,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:12,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:12,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:12,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:12,687 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2019-11-28 17:27:12,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:12,877 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2019-11-28 17:27:12,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:12,878 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-11-28 17:27:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:12,881 INFO L225 Difference]: With dead ends: 327 [2019-11-28 17:27:12,882 INFO L226 Difference]: Without dead ends: 325 [2019-11-28 17:27:12,884 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 17:27:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-11-28 17:27:12,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2019-11-28 17:27:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-11-28 17:27:12,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2019-11-28 17:27:12,917 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2019-11-28 17:27:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:12,918 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2019-11-28 17:27:12,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2019-11-28 17:27:12,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:12,925 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:12,930 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 17:27:12,931 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:12,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:12,931 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2019-11-28 17:27:12,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:12,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836344511] [2019-11-28 17:27:12,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,037 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 17:27:13,037 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836344511] [2019-11-28 17:27:13,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:13,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505432967] [2019-11-28 17:27:13,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:13,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:13,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:13,041 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 5 states. [2019-11-28 17:27:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,156 INFO L93 Difference]: Finished difference Result 463 states and 634 transitions. [2019-11-28 17:27:13,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:13,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:27:13,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,159 INFO L225 Difference]: With dead ends: 463 [2019-11-28 17:27:13,159 INFO L226 Difference]: Without dead ends: 314 [2019-11-28 17:27:13,161 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 17:27:13,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2019-11-28 17:27:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 164. [2019-11-28 17:27:13,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-28 17:27:13,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 222 transitions. [2019-11-28 17:27:13,187 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 222 transitions. Word has length 34 [2019-11-28 17:27:13,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,189 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 222 transitions. [2019-11-28 17:27:13,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:13,190 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 222 transitions. [2019-11-28 17:27:13,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:13,192 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,192 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 17:27:13,192 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589874, now seen corresponding path program 1 times [2019-11-28 17:27:13,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,194 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023314234] [2019-11-28 17:27:13,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,247 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 17:27:13,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023314234] [2019-11-28 17:27:13,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 17:27:13,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568201847] [2019-11-28 17:27:13,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 17:27:13,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 17:27:13,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 17:27:13,250 INFO L87 Difference]: Start difference. First operand 164 states and 222 transitions. Second operand 4 states. [2019-11-28 17:27:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,317 INFO L93 Difference]: Finished difference Result 382 states and 517 transitions. [2019-11-28 17:27:13,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 17:27:13,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-11-28 17:27:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,319 INFO L225 Difference]: With dead ends: 382 [2019-11-28 17:27:13,319 INFO L226 Difference]: Without dead ends: 224 [2019-11-28 17:27:13,321 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 17:27:13,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2019-11-28 17:27:13,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 145. [2019-11-28 17:27:13,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-11-28 17:27:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions. [2019-11-28 17:27:13,339 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 193 transitions. Word has length 34 [2019-11-28 17:27:13,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,340 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 193 transitions. [2019-11-28 17:27:13,340 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 17:27:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 193 transitions. [2019-11-28 17:27:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 17:27:13,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,341 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 17:27:13,341 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2019-11-28 17:27:13,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792442026] [2019-11-28 17:27:13,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,412 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 17:27:13,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792442026] [2019-11-28 17:27:13,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:13,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:13,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767604726] [2019-11-28 17:27:13,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:13,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:13,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:13,414 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. Second operand 5 states. [2019-11-28 17:27:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:13,570 INFO L93 Difference]: Finished difference Result 380 states and 520 transitions. [2019-11-28 17:27:13,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 17:27:13,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-11-28 17:27:13,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:13,573 INFO L225 Difference]: With dead ends: 380 [2019-11-28 17:27:13,573 INFO L226 Difference]: Without dead ends: 283 [2019-11-28 17:27:13,574 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 17:27:13,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-28 17:27:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 205. [2019-11-28 17:27:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2019-11-28 17:27:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2019-11-28 17:27:13,601 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 34 [2019-11-28 17:27:13,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:13,601 INFO L462 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2019-11-28 17:27:13,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:13,601 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2019-11-28 17:27:13,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-28 17:27:13,603 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:13,603 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:13,603 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:13,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:13,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2019-11-28 17:27:13,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:13,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928333456] [2019-11-28 17:27:13,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:13,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928333456] [2019-11-28 17:27:13,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1797988543] [2019-11-28 17:27:13,728 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 17:27:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:13,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 17:27:13,894 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 17:27:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 17:27:13,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 17:27:13,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2019-11-28 17:27:13,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922528282] [2019-11-28 17:27:13,925 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 17:27:13,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:13,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 17:27:13,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:13,925 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand 6 states. [2019-11-28 17:27:14,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:14,152 INFO L93 Difference]: Finished difference Result 617 states and 834 transitions. [2019-11-28 17:27:14,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 17:27:14,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-28 17:27:14,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:14,156 INFO L225 Difference]: With dead ends: 617 [2019-11-28 17:27:14,156 INFO L226 Difference]: Without dead ends: 460 [2019-11-28 17:27:14,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2019-11-28 17:27:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-28 17:27:14,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 278. [2019-11-28 17:27:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-11-28 17:27:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 371 transitions. [2019-11-28 17:27:14,197 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 371 transitions. Word has length 55 [2019-11-28 17:27:14,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:14,197 INFO L462 AbstractCegarLoop]: Abstraction has 278 states and 371 transitions. [2019-11-28 17:27:14,198 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 17:27:14,198 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 371 transitions. [2019-11-28 17:27:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-28 17:27:14,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:14,199 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:14,406 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 17:27:14,406 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:14,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:14,407 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2019-11-28 17:27:14,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:14,408 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620441743] [2019-11-28 17:27:14,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:14,573 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 17:27:14,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620441743] [2019-11-28 17:27:14,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:14,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:14,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521045289] [2019-11-28 17:27:14,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:14,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:14,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:14,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:14,577 INFO L87 Difference]: Start difference. First operand 278 states and 371 transitions. Second operand 5 states. [2019-11-28 17:27:14,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:14,778 INFO L93 Difference]: Finished difference Result 824 states and 1115 transitions. [2019-11-28 17:27:14,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:14,779 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-28 17:27:14,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:14,783 INFO L225 Difference]: With dead ends: 824 [2019-11-28 17:27:14,784 INFO L226 Difference]: Without dead ends: 593 [2019-11-28 17:27:14,785 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-28 17:27:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2019-11-28 17:27:14,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 382. [2019-11-28 17:27:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2019-11-28 17:27:14,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 509 transitions. [2019-11-28 17:27:14,830 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 509 transitions. Word has length 76 [2019-11-28 17:27:14,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:14,832 INFO L462 AbstractCegarLoop]: Abstraction has 382 states and 509 transitions. [2019-11-28 17:27:14,832 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 509 transitions. [2019-11-28 17:27:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-11-28 17:27:14,833 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 17:27:14,834 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 17:27:14,834 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 17:27:14,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 17:27:14,835 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2019-11-28 17:27:14,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 17:27:14,835 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406676367] [2019-11-28 17:27:14,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 17:27:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 17:27:14,916 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-28 17:27:14,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406676367] [2019-11-28 17:27:14,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 17:27:14,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 17:27:14,917 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033911192] [2019-11-28 17:27:14,918 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 17:27:14,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 17:27:14,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 17:27:14,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 17:27:14,919 INFO L87 Difference]: Start difference. First operand 382 states and 509 transitions. Second operand 5 states. [2019-11-28 17:27:15,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 17:27:15,010 INFO L93 Difference]: Finished difference Result 732 states and 975 transitions. [2019-11-28 17:27:15,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 17:27:15,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-11-28 17:27:15,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 17:27:15,011 INFO L225 Difference]: With dead ends: 732 [2019-11-28 17:27:15,011 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 17:27:15,013 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 17:27:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 17:27:15,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 17:27:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 17:27:15,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 17:27:15,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2019-11-28 17:27:15,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 17:27:15,015 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 17:27:15,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 17:27:15,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 17:27:15,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 17:27:15,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 17:27:15,454 WARN L192 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 140 [2019-11-28 17:27:15,696 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-28 17:27:15,968 WARN L192 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 135 [2019-11-28 17:27:16,223 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 134 [2019-11-28 17:27:16,503 WARN L192 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 128 [2019-11-28 17:27:16,606 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 85 [2019-11-28 17:27:16,855 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 115 [2019-11-28 17:27:17,405 WARN L192 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 21 [2019-11-28 17:27:18,004 WARN L192 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 19 [2019-11-28 17:27:18,636 WARN L192 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-28 17:27:19,328 WARN L192 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 19 [2019-11-28 17:27:20,030 WARN L192 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 20 [2019-11-28 17:27:20,612 WARN L192 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2019-11-28 17:27:20,901 WARN L192 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 22 [2019-11-28 17:27:21,047 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 20 [2019-11-28 17:27:21,504 WARN L192 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 27 [2019-11-28 17:27:21,849 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 14 [2019-11-28 17:27:21,854 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,854 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-28 17:27:21,855 INFO L246 CegarLoopResult]: For program point L432(lines 432 436) no Hoare annotation was computed. [2019-11-28 17:27:21,855 INFO L246 CegarLoopResult]: For program point L432-1(lines 194 200) no Hoare annotation was computed. [2019-11-28 17:27:21,855 INFO L242 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:21,855 INFO L242 CegarLoopResult]: At program point L201-1(lines 201 207) the Hoare annotation is: false [2019-11-28 17:27:21,856 INFO L242 CegarLoopResult]: At program point L201-2(lines 201 207) the Hoare annotation is: false [2019-11-28 17:27:21,856 INFO L246 CegarLoopResult]: For program point L499(lines 499 506) no Hoare annotation was computed. [2019-11-28 17:27:21,856 INFO L249 CegarLoopResult]: At program point L499-1(lines 499 506) the Hoare annotation is: true [2019-11-28 17:27:21,856 INFO L242 CegarLoopResult]: At program point L170(lines 121 171) the Hoare annotation is: false [2019-11-28 17:27:21,857 INFO L242 CegarLoopResult]: At program point L601(lines 592 605) the Hoare annotation is: false [2019-11-28 17:27:21,857 INFO L242 CegarLoopResult]: At program point L601-1(lines 592 605) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2019-11-28 17:27:21,857 INFO L242 CegarLoopResult]: At program point L601-2(lines 592 605) the Hoare annotation is: false [2019-11-28 17:27:21,857 INFO L242 CegarLoopResult]: At program point L601-3(lines 592 605) the Hoare annotation is: false [2019-11-28 17:27:21,857 INFO L242 CegarLoopResult]: At program point L601-4(lines 592 605) the Hoare annotation is: false [2019-11-28 17:27:21,858 INFO L242 CegarLoopResult]: At program point L601-5(lines 592 605) the Hoare annotation is: false [2019-11-28 17:27:21,858 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:21,858 INFO L246 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2019-11-28 17:27:21,858 INFO L242 CegarLoopResult]: At program point L405-1(lines 405 411) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 17:27:21,858 INFO L246 CegarLoopResult]: For program point L372(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,859 INFO L246 CegarLoopResult]: For program point L372-2(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,859 INFO L246 CegarLoopResult]: For program point L372-3(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,859 INFO L246 CegarLoopResult]: For program point L372-5(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,859 INFO L246 CegarLoopResult]: For program point L372-6(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,859 INFO L246 CegarLoopResult]: For program point L372-8(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,860 INFO L246 CegarLoopResult]: For program point L372-9(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,860 INFO L246 CegarLoopResult]: For program point L372-11(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,860 INFO L246 CegarLoopResult]: For program point L372-12(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,860 INFO L246 CegarLoopResult]: For program point L372-14(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,860 INFO L246 CegarLoopResult]: For program point L372-15(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,861 INFO L246 CegarLoopResult]: For program point L372-17(lines 372 376) no Hoare annotation was computed. [2019-11-28 17:27:21,861 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,861 INFO L246 CegarLoopResult]: For program point L142(lines 142 148) no Hoare annotation was computed. [2019-11-28 17:27:21,861 INFO L242 CegarLoopResult]: At program point L142-1(lines 142 148) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 17:27:21,862 INFO L249 CegarLoopResult]: At program point L508(lines 489 511) the Hoare annotation is: true [2019-11-28 17:27:21,862 INFO L242 CegarLoopResult]: At program point L476(lines 472 478) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:21,862 INFO L246 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2019-11-28 17:27:21,862 INFO L242 CegarLoopResult]: At program point L378(lines 363 381) the Hoare annotation is: false [2019-11-28 17:27:21,862 INFO L242 CegarLoopResult]: At program point L378-1(lines 363 381) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) (<= 1 ~waterLevel~0) .cse0 .cse1 .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2019-11-28 17:27:21,863 INFO L242 CegarLoopResult]: At program point L378-2(lines 363 381) the Hoare annotation is: false [2019-11-28 17:27:21,863 INFO L242 CegarLoopResult]: At program point L378-3(lines 363 381) the Hoare annotation is: false [2019-11-28 17:27:21,863 INFO L242 CegarLoopResult]: At program point L378-4(lines 363 381) the Hoare annotation is: false [2019-11-28 17:27:21,863 INFO L242 CegarLoopResult]: At program point L378-5(lines 363 381) the Hoare annotation is: false [2019-11-28 17:27:21,863 INFO L242 CegarLoopResult]: At program point L611(lines 606 614) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:21,864 INFO L242 CegarLoopResult]: At program point L611-1(lines 606 614) the Hoare annotation is: false [2019-11-28 17:27:21,864 INFO L242 CegarLoopResult]: At program point L611-2(lines 606 614) the Hoare annotation is: false [2019-11-28 17:27:21,864 INFO L242 CegarLoopResult]: At program point L314(lines 307 317) the Hoare annotation is: false [2019-11-28 17:27:21,864 INFO L242 CegarLoopResult]: At program point L314-1(lines 307 317) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:21,864 INFO L242 CegarLoopResult]: At program point L314-2(lines 307 317) the Hoare annotation is: false [2019-11-28 17:27:21,865 INFO L242 CegarLoopResult]: At program point L314-3(lines 307 317) the Hoare annotation is: false [2019-11-28 17:27:21,865 INFO L242 CegarLoopResult]: At program point L314-4(lines 307 317) the Hoare annotation is: false [2019-11-28 17:27:21,865 INFO L242 CegarLoopResult]: At program point L314-5(lines 307 317) the Hoare annotation is: false [2019-11-28 17:27:21,865 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 17:27:21,865 INFO L246 CegarLoopResult]: For program point L152(lines 152 165) no Hoare annotation was computed. [2019-11-28 17:27:21,866 INFO L246 CegarLoopResult]: For program point L252(lines 252 269) no Hoare annotation was computed. [2019-11-28 17:27:21,866 INFO L246 CegarLoopResult]: For program point L252-1(lines 252 269) no Hoare annotation was computed. [2019-11-28 17:27:21,866 INFO L246 CegarLoopResult]: For program point L252-2(lines 252 269) no Hoare annotation was computed. [2019-11-28 17:27:21,866 INFO L246 CegarLoopResult]: For program point L89(lines 89 102) no Hoare annotation was computed. [2019-11-28 17:27:21,866 INFO L242 CegarLoopResult]: At program point L89-1(lines 1 989) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse0 .cse1) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse2 .cse1) (and (= 1 ~waterLevel~0) .cse2 .cse0 .cse1))) [2019-11-28 17:27:21,867 INFO L246 CegarLoopResult]: For program point L89-2(lines 89 102) no Hoare annotation was computed. [2019-11-28 17:27:21,867 INFO L242 CegarLoopResult]: At program point L89-3(lines 1 989) the Hoare annotation is: false [2019-11-28 17:27:21,867 INFO L246 CegarLoopResult]: For program point L89-4(lines 89 102) no Hoare annotation was computed. [2019-11-28 17:27:21,867 INFO L242 CegarLoopResult]: At program point L89-5(lines 1 989) the Hoare annotation is: false [2019-11-28 17:27:21,868 INFO L246 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2019-11-28 17:27:21,868 INFO L246 CegarLoopResult]: For program point L519-3(lines 519 523) no Hoare annotation was computed. [2019-11-28 17:27:21,868 INFO L246 CegarLoopResult]: For program point L519-6(lines 519 523) no Hoare annotation was computed. [2019-11-28 17:27:21,868 INFO L246 CegarLoopResult]: For program point L123(lines 122 169) no Hoare annotation was computed. [2019-11-28 17:27:21,868 INFO L246 CegarLoopResult]: For program point L289(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point L256(lines 256 264) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point L256-1(lines 256 264) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point L256-2(lines 256 264) no Hoare annotation was computed. [2019-11-28 17:27:21,869 INFO L246 CegarLoopResult]: For program point L289-4(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,870 INFO L246 CegarLoopResult]: For program point L124(lines 124 128) no Hoare annotation was computed. [2019-11-28 17:27:21,870 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,870 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,870 INFO L246 CegarLoopResult]: For program point L289-10(lines 289 295) no Hoare annotation was computed. [2019-11-28 17:27:21,870 INFO L246 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,871 INFO L246 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,871 INFO L246 CegarLoopResult]: For program point L620-2(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,871 INFO L242 CegarLoopResult]: At program point L323(lines 318 326) the Hoare annotation is: false [2019-11-28 17:27:21,871 INFO L242 CegarLoopResult]: At program point L323-1(lines 318 326) the Hoare annotation is: false [2019-11-28 17:27:21,871 INFO L242 CegarLoopResult]: At program point L323-2(lines 318 326) the Hoare annotation is: false [2019-11-28 17:27:21,871 INFO L246 CegarLoopResult]: For program point L158(lines 158 164) no Hoare annotation was computed. [2019-11-28 17:27:21,872 INFO L242 CegarLoopResult]: At program point L158-1(lines 194 200) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse2))) [2019-11-28 17:27:21,872 INFO L242 CegarLoopResult]: At program point L588(lines 583 591) the Hoare annotation is: (let ((.cse0 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse0) (and (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (not (= 0 ~systemActive~0)) .cse0))) [2019-11-28 17:27:21,872 INFO L242 CegarLoopResult]: At program point L588-1(lines 583 591) the Hoare annotation is: false [2019-11-28 17:27:21,872 INFO L242 CegarLoopResult]: At program point L588-2(lines 583 591) the Hoare annotation is: false [2019-11-28 17:27:21,872 INFO L246 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2019-11-28 17:27:21,873 INFO L246 CegarLoopResult]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2019-11-28 17:27:21,873 INFO L246 CegarLoopResult]: For program point L93-4(lines 93 99) no Hoare annotation was computed. [2019-11-28 17:27:21,873 INFO L242 CegarLoopResult]: At program point L556(lines 551 559) the Hoare annotation is: false [2019-11-28 17:27:21,873 INFO L242 CegarLoopResult]: At program point L556-1(lines 551 559) the Hoare annotation is: (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:21,873 INFO L242 CegarLoopResult]: At program point L556-2(lines 551 559) the Hoare annotation is: false [2019-11-28 17:27:21,874 INFO L242 CegarLoopResult]: At program point L556-3(lines 551 559) the Hoare annotation is: false [2019-11-28 17:27:21,874 INFO L242 CegarLoopResult]: At program point L556-4(lines 551 559) the Hoare annotation is: false [2019-11-28 17:27:21,874 INFO L246 CegarLoopResult]: For program point L391(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,874 INFO L242 CegarLoopResult]: At program point L556-5(lines 551 559) the Hoare annotation is: false [2019-11-28 17:27:21,874 INFO L246 CegarLoopResult]: For program point L391-2(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L391-3(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L226(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L391-5(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L226-1(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L391-6(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,875 INFO L246 CegarLoopResult]: For program point L226-2(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,876 INFO L246 CegarLoopResult]: For program point L226-3(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,876 INFO L246 CegarLoopResult]: For program point L391-8(lines 391 395) no Hoare annotation was computed. [2019-11-28 17:27:21,876 INFO L246 CegarLoopResult]: For program point L226-4(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,876 INFO L246 CegarLoopResult]: For program point L226-5(lines 226 243) no Hoare annotation was computed. [2019-11-28 17:27:21,876 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 17:27:21,877 INFO L242 CegarLoopResult]: At program point L194(lines 193 212) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse1) (and (= 1 ~waterLevel~0) .cse0 .cse1))) [2019-11-28 17:27:21,877 INFO L246 CegarLoopResult]: For program point L194-1(lines 194 200) no Hoare annotation was computed. [2019-11-28 17:27:21,877 INFO L242 CegarLoopResult]: At program point L194-2(lines 193 212) the Hoare annotation is: false [2019-11-28 17:27:21,877 INFO L242 CegarLoopResult]: At program point L194-3(lines 193 212) the Hoare annotation is: false [2019-11-28 17:27:21,877 INFO L242 CegarLoopResult]: At program point L428-2(lines 428 442) the Hoare annotation is: false [2019-11-28 17:27:21,878 INFO L246 CegarLoopResult]: For program point L230(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,878 INFO L246 CegarLoopResult]: For program point L230-1(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,878 INFO L246 CegarLoopResult]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,878 INFO L246 CegarLoopResult]: For program point L230-3(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,878 INFO L246 CegarLoopResult]: For program point L230-4(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,878 INFO L242 CegarLoopResult]: At program point L65(lines 1 989) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-28 17:27:21,879 INFO L246 CegarLoopResult]: For program point L230-5(lines 230 238) no Hoare annotation was computed. [2019-11-28 17:27:21,879 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 17:27:21,879 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 620) no Hoare annotation was computed. [2019-11-28 17:27:21,879 INFO L246 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2019-11-28 17:27:21,879 INFO L246 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2019-11-28 17:27:21,880 INFO L242 CegarLoopResult]: At program point L132-1(lines 132 138) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ~waterLevel~0) .cse1 .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse3 .cse2))) [2019-11-28 17:27:21,880 INFO L242 CegarLoopResult]: At program point L397(lines 382 400) the Hoare annotation is: (and (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~3) (= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~6) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 17:27:21,880 INFO L242 CegarLoopResult]: At program point L397-1(lines 382 400) the Hoare annotation is: false [2019-11-28 17:27:21,880 INFO L242 CegarLoopResult]: At program point L397-2(lines 382 400) the Hoare annotation is: false [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596-2(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596-3(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596-4(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,881 INFO L246 CegarLoopResult]: For program point L596-5(lines 596 602) no Hoare annotation was computed. [2019-11-28 17:27:21,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:27:21 BoogieIcfgContainer [2019-11-28 17:27:21,911 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 17:27:21,912 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 17:27:21,912 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 17:27:21,912 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 17:27:21,913 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:27:11" (3/4) ... [2019-11-28 17:27:21,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 17:27:21,939 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 17:27:21,941 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 17:27:21,942 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 17:27:21,944 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 17:27:21,945 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 17:27:21,946 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:21,948 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 17:27:21,980 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:21,980 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 [2019-11-28 17:27:21,981 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:21,981 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:21,982 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:21,984 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((2 <= waterLevel && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:21,985 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:27:21,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:21,986 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter [2019-11-28 17:27:21,987 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-11-28 17:27:22,122 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 17:27:22,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 17:27:22,125 INFO L168 Benchmark]: Toolchain (without parser) took 13014.84 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 961.7 MB in the beginning and 808.1 MB in the end (delta: 153.6 MB). Peak memory consumption was 439.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,125 INFO L168 Benchmark]: CDTParser took 0.31 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 17:27:22,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,126 INFO L168 Benchmark]: Boogie Preprocessor took 54.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 17:27:22,127 INFO L168 Benchmark]: RCFGBuilder took 1111.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,127 INFO L168 Benchmark]: TraceAbstraction took 10891.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 827.4 MB in the end (delta: 177.5 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,128 INFO L168 Benchmark]: Witness Printer took 211.05 ms. Allocated memory is still 1.3 GB. Free memory was 827.4 MB in the beginning and 808.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-11-28 17:27:22,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 656.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -124.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1111.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10891.47 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.0 GB in the beginning and 827.4 MB in the end (delta: 177.5 MB). Peak memory consumption was 397.4 MB. Max. memory is 11.5 GB. * Witness Printer took 211.05 ms. Allocated memory is still 1.3 GB. Free memory was 827.4 MB in the beginning and 808.1 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 620]: 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: 307]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((1 <= \result && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((2 <= waterLevel && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((0 == \result && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (((1 == systemActive && tmp == systemActive) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((1 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((2 <= waterLevel && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: (((((0 == \result && 0 == tmp___0) && 1 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((2 <= waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && 2 <= tmp) && 2 <= \result) && !(0 == systemActive)) && 0 == splverifierCounter) || ((((1 <= tmp && 1 <= \result) && 1 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == waterLevel && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == tmp___0) && 1 == \result) && 0 == tmp) && 1 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && 0 == splverifierCounter) || ((1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Result: SAFE, OverallTime: 3.9s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, HoareTripleCheckerStatistics: 1414 SDtfs, 2089 SDslu, 2342 SDs, 0 SdLazy, 320 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1014 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 507 HoareAnnotationTreeSize, 56 FomulaSimplifications, 415536 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 192164 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 481 ConstructedInterpolants, 0 QuantifiedInterpolants, 38784 SizeOfPredicates, 4 NumberOfNonLiveVariables, 415 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 120/126 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...