./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 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_spec3_product38.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 23cbf887df70a1f42db96b12c0b9702076660a13 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 21:22:37,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:22:37,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:22:37,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:22:37,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:22:37,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:22:37,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:22:37,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:22:37,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:22:37,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:22:37,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:22:37,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:22:37,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:22:37,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:22:37,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:22:37,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:22:37,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:22:37,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:22:37,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:22:37,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:22:37,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:22:37,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:22:37,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:22:37,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:22:37,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:22:37,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:22:37,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:22:37,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:22:37,238 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:22:37,239 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:22:37,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:22:37,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:22:37,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:22:37,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:22:37,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:22:37,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:22:37,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:22:37,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:22:37,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:22:37,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:22:37,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:22:37,251 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:22:37,266 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:22:37,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:22:37,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:22:37,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:22:37,268 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:22:37,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:22:37,269 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:22:37,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:22:37,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:22:37,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:22:37,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:22:37,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:22:37,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:22:37,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:22:37,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:22:37,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:22:37,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:22:37,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:22:37,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:22:37,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:22:37,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:22:37,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:22:37,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:22:37,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:22:37,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:22:37,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:22:37,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:22:37,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:22:37,274 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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2019-11-19 21:22:37,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:22:37,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:22:37,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:22:37,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:22:37,668 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:22:37,671 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-19 21:22:37,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477a791b9/b3e23aa1811a4456aaa84826f141ef2e/FLAG4cd3471af [2019-11-19 21:22:38,269 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:22:38,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2019-11-19 21:22:38,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477a791b9/b3e23aa1811a4456aaa84826f141ef2e/FLAG4cd3471af [2019-11-19 21:22:38,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/477a791b9/b3e23aa1811a4456aaa84826f141ef2e [2019-11-19 21:22:38,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:22:38,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:22:38,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:38,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:22:38,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:22:38,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:38" (1/1) ... [2019-11-19 21:22:38,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ec5e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:38, skipping insertion in model container [2019-11-19 21:22:38,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:22:38" (1/1) ... [2019-11-19 21:22:38,593 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:22:38,665 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:22:39,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:39,121 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:22:39,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:22:39,268 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:22:39,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39 WrapperNode [2019-11-19 21:22:39,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:22:39,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:39,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:22:39,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:22:39,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:22:39,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:22:39,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:22:39,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:22:39,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (1/1) ... [2019-11-19 21:22:39,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:22:39,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:22:39,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:22:39,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:22:39,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (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 [2019-11-19 21:22:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 21:22:39,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 21:22:39,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:22:39,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:22:40,470 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:22:40,471 INFO L285 CfgBuilder]: Removed 164 assume(true) statements. [2019-11-19 21:22:40,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:40 BoogieIcfgContainer [2019-11-19 21:22:40,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:22:40,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:22:40,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:22:40,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:22:40,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:22:38" (1/3) ... [2019-11-19 21:22:40,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d146bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:40, skipping insertion in model container [2019-11-19 21:22:40,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:22:39" (2/3) ... [2019-11-19 21:22:40,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d146bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:22:40, skipping insertion in model container [2019-11-19 21:22:40,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:40" (3/3) ... [2019-11-19 21:22:40,483 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2019-11-19 21:22:40,493 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:22:40,502 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-19 21:22:40,515 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-19 21:22:40,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:22:40,546 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:22:40,546 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:22:40,546 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:22:40,547 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:22:40,547 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:22:40,547 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:22:40,547 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:22:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-11-19 21:22:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-19 21:22:40,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:40,588 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:40,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:40,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:40,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1400987872, now seen corresponding path program 1 times [2019-11-19 21:22:40,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:40,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800138041] [2019-11-19 21:22:40,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:40,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800138041] [2019-11-19 21:22:40,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:40,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:40,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286338878] [2019-11-19 21:22:40,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 21:22:40,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:40,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 21:22:40,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 21:22:40,864 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-11-19 21:22:40,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:40,900 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2019-11-19 21:22:40,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 21:22:40,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-19 21:22:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:40,914 INFO L225 Difference]: With dead ends: 228 [2019-11-19 21:22:40,914 INFO L226 Difference]: Without dead ends: 113 [2019-11-19 21:22:40,918 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 [2019-11-19 21:22:40,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-19 21:22:40,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-19 21:22:40,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-19 21:22:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2019-11-19 21:22:40,963 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2019-11-19 21:22:40,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:40,964 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2019-11-19 21:22:40,964 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 21:22:40,964 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2019-11-19 21:22:40,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-19 21:22:40,966 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:40,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:40,966 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:40,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:40,967 INFO L82 PathProgramCache]: Analyzing trace with hash 1982948671, now seen corresponding path program 1 times [2019-11-19 21:22:40,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:40,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673846329] [2019-11-19 21:22:40,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:41,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:41,092 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673846329] [2019-11-19 21:22:41,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:41,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:41,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048543669] [2019-11-19 21:22:41,095 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:41,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:41,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:41,101 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2019-11-19 21:22:41,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:41,118 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-19 21:22:41,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:41,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-19 21:22:41,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:41,121 INFO L225 Difference]: With dead ends: 113 [2019-11-19 21:22:41,122 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 21:22:41,124 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 [2019-11-19 21:22:41,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 21:22:41,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 21:22:41,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 21:22:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2019-11-19 21:22:41,133 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2019-11-19 21:22:41,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:41,133 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2019-11-19 21:22:41,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2019-11-19 21:22:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 21:22:41,135 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:41,135 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] [2019-11-19 21:22:41,135 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:41,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:41,136 INFO L82 PathProgramCache]: Analyzing trace with hash 131818950, now seen corresponding path program 1 times [2019-11-19 21:22:41,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:41,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206615779] [2019-11-19 21:22:41,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:41,273 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206615779] [2019-11-19 21:22:41,273 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:41,273 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:22:41,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726682320] [2019-11-19 21:22:41,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:41,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:41,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:41,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:41,277 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 3 states. [2019-11-19 21:22:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:41,318 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2019-11-19 21:22:41,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:41,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-19 21:22:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:41,322 INFO L225 Difference]: With dead ends: 88 [2019-11-19 21:22:41,323 INFO L226 Difference]: Without dead ends: 47 [2019-11-19 21:22:41,323 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 [2019-11-19 21:22:41,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-11-19 21:22:41,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2019-11-19 21:22:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-11-19 21:22:41,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2019-11-19 21:22:41,334 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2019-11-19 21:22:41,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:41,334 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2019-11-19 21:22:41,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:41,335 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2019-11-19 21:22:41,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-19 21:22:41,337 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:41,337 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] [2019-11-19 21:22:41,338 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:41,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:41,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1351542097, now seen corresponding path program 1 times [2019-11-19 21:22:41,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:41,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895747857] [2019-11-19 21:22:41,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:41,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895747857] [2019-11-19 21:22:41,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:41,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:22:41,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603602529] [2019-11-19 21:22:41,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:22:41,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:41,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:22:41,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:22:41,458 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2019-11-19 21:22:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:41,495 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2019-11-19 21:22:41,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:22:41,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-19 21:22:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:41,497 INFO L225 Difference]: With dead ends: 111 [2019-11-19 21:22:41,497 INFO L226 Difference]: Without dead ends: 70 [2019-11-19 21:22:41,498 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 [2019-11-19 21:22:41,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-11-19 21:22:41,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2019-11-19 21:22:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-19 21:22:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2019-11-19 21:22:41,507 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2019-11-19 21:22:41,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:41,508 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2019-11-19 21:22:41,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:22:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2019-11-19 21:22:41,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:22:41,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:41,509 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] [2019-11-19 21:22:41,510 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:41,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash 201355136, now seen corresponding path program 1 times [2019-11-19 21:22:41,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:41,511 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914662872] [2019-11-19 21:22:41,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:41,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914662872] [2019-11-19 21:22:41,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:41,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:41,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365749593] [2019-11-19 21:22:41,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:41,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:41,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:41,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:41,620 INFO L87 Difference]: Start difference. First operand 68 states and 96 transitions. Second operand 5 states. [2019-11-19 21:22:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:41,752 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2019-11-19 21:22:41,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:41,752 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 21:22:41,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:41,754 INFO L225 Difference]: With dead ends: 183 [2019-11-19 21:22:41,755 INFO L226 Difference]: Without dead ends: 121 [2019-11-19 21:22:41,756 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 [2019-11-19 21:22:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-19 21:22:41,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2019-11-19 21:22:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-19 21:22:41,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2019-11-19 21:22:41,784 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2019-11-19 21:22:41,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:41,785 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2019-11-19 21:22:41,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2019-11-19 21:22:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-19 21:22:41,791 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:41,791 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] [2019-11-19 21:22:41,791 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:41,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:41,792 INFO L82 PathProgramCache]: Analyzing trace with hash -926040957, now seen corresponding path program 1 times [2019-11-19 21:22:41,792 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:41,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469198741] [2019-11-19 21:22:41,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:41,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469198741] [2019-11-19 21:22:41,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:41,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:41,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568719275] [2019-11-19 21:22:41,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:41,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:41,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:41,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:41,924 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand 5 states. [2019-11-19 21:22:42,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:42,074 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2019-11-19 21:22:42,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:42,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-19 21:22:42,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:42,077 INFO L225 Difference]: With dead ends: 373 [2019-11-19 21:22:42,078 INFO L226 Difference]: Without dead ends: 305 [2019-11-19 21:22:42,079 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 [2019-11-19 21:22:42,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2019-11-19 21:22:42,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2019-11-19 21:22:42,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-19 21:22:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2019-11-19 21:22:42,096 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2019-11-19 21:22:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:42,097 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2019-11-19 21:22:42,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2019-11-19 21:22:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:42,098 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:42,099 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] [2019-11-19 21:22:42,099 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:42,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:42,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1997087487, now seen corresponding path program 1 times [2019-11-19 21:22:42,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:42,100 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855826845] [2019-11-19 21:22:42,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:42,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:42,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855826845] [2019-11-19 21:22:42,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:42,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:42,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583983827] [2019-11-19 21:22:42,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:42,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:42,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:42,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:42,170 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand 5 states. [2019-11-19 21:22:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:42,380 INFO L93 Difference]: Finished difference Result 628 states and 878 transitions. [2019-11-19 21:22:42,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 21:22:42,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:22:42,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:42,386 INFO L225 Difference]: With dead ends: 628 [2019-11-19 21:22:42,386 INFO L226 Difference]: Without dead ends: 560 [2019-11-19 21:22:42,387 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-11-19 21:22:42,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 181. [2019-11-19 21:22:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2019-11-19 21:22:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 245 transitions. [2019-11-19 21:22:42,427 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 245 transitions. Word has length 33 [2019-11-19 21:22:42,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:42,428 INFO L462 AbstractCegarLoop]: Abstraction has 181 states and 245 transitions. [2019-11-19 21:22:42,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:42,429 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 245 transitions. [2019-11-19 21:22:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:42,438 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:42,438 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] [2019-11-19 21:22:42,438 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:42,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1286762559, now seen corresponding path program 1 times [2019-11-19 21:22:42,439 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:42,441 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849470175] [2019-11-19 21:22:42,441 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:42,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:42,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849470175] [2019-11-19 21:22:42,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:42,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:42,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433467550] [2019-11-19 21:22:42,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:22:42,496 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:42,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:22:42,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:22:42,497 INFO L87 Difference]: Start difference. First operand 181 states and 245 transitions. Second operand 4 states. [2019-11-19 21:22:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:42,575 INFO L93 Difference]: Finished difference Result 448 states and 616 transitions. [2019-11-19 21:22:42,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-19 21:22:42,576 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2019-11-19 21:22:42,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:42,578 INFO L225 Difference]: With dead ends: 448 [2019-11-19 21:22:42,578 INFO L226 Difference]: Without dead ends: 318 [2019-11-19 21:22:42,580 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 [2019-11-19 21:22:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2019-11-19 21:22:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 175. [2019-11-19 21:22:42,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2019-11-19 21:22:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 237 transitions. [2019-11-19 21:22:42,600 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 237 transitions. Word has length 33 [2019-11-19 21:22:42,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:42,601 INFO L462 AbstractCegarLoop]: Abstraction has 175 states and 237 transitions. [2019-11-19 21:22:42,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:22:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 237 transitions. [2019-11-19 21:22:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:42,604 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:42,604 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] [2019-11-19 21:22:42,604 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:42,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:42,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1622643206, now seen corresponding path program 1 times [2019-11-19 21:22:42,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:42,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435056256] [2019-11-19 21:22:42,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:42,678 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435056256] [2019-11-19 21:22:42,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:42,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:42,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764106128] [2019-11-19 21:22:42,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:42,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:42,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:42,683 INFO L87 Difference]: Start difference. First operand 175 states and 237 transitions. Second operand 5 states. [2019-11-19 21:22:42,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:42,837 INFO L93 Difference]: Finished difference Result 461 states and 637 transitions. [2019-11-19 21:22:42,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 21:22:42,838 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-19 21:22:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:42,840 INFO L225 Difference]: With dead ends: 461 [2019-11-19 21:22:42,840 INFO L226 Difference]: Without dead ends: 292 [2019-11-19 21:22:42,841 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 [2019-11-19 21:22:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-11-19 21:22:42,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 160. [2019-11-19 21:22:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 21:22:42,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 210 transitions. [2019-11-19 21:22:42,861 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 210 transitions. Word has length 33 [2019-11-19 21:22:42,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:42,861 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 210 transitions. [2019-11-19 21:22:42,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:42,862 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 210 transitions. [2019-11-19 21:22:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-19 21:22:42,862 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:42,863 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] [2019-11-19 21:22:42,863 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:42,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:42,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1544927997, now seen corresponding path program 1 times [2019-11-19 21:22:42,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:42,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694509637] [2019-11-19 21:22:42,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:42,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694509637] [2019-11-19 21:22:42,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:42,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 21:22:42,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628808969] [2019-11-19 21:22:42,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:42,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:42,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:42,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:42,955 INFO L87 Difference]: Start difference. First operand 160 states and 210 transitions. Second operand 6 states. [2019-11-19 21:22:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:43,060 INFO L93 Difference]: Finished difference Result 434 states and 576 transitions. [2019-11-19 21:22:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 21:22:43,060 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-11-19 21:22:43,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:43,062 INFO L225 Difference]: With dead ends: 434 [2019-11-19 21:22:43,062 INFO L226 Difference]: Without dead ends: 280 [2019-11-19 21:22:43,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-19 21:22:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2019-11-19 21:22:43,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 160. [2019-11-19 21:22:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-11-19 21:22:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2019-11-19 21:22:43,080 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 33 [2019-11-19 21:22:43,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:43,080 INFO L462 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2019-11-19 21:22:43,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2019-11-19 21:22:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-19 21:22:43,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:43,082 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] [2019-11-19 21:22:43,082 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:43,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1478931236, now seen corresponding path program 1 times [2019-11-19 21:22:43,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:43,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633005762] [2019-11-19 21:22:43,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:43,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 21:22:43,135 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633005762] [2019-11-19 21:22:43,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:43,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:22:43,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151582816] [2019-11-19 21:22:43,136 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-19 21:22:43,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:43,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 21:22:43,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 21:22:43,137 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand 5 states. [2019-11-19 21:22:43,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:43,272 INFO L93 Difference]: Finished difference Result 822 states and 1060 transitions. [2019-11-19 21:22:43,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 21:22:43,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-11-19 21:22:43,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:43,277 INFO L225 Difference]: With dead ends: 822 [2019-11-19 21:22:43,277 INFO L226 Difference]: Without dead ends: 668 [2019-11-19 21:22:43,278 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 [2019-11-19 21:22:43,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-11-19 21:22:43,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 312. [2019-11-19 21:22:43,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-11-19 21:22:43,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 395 transitions. [2019-11-19 21:22:43,317 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 395 transitions. Word has length 51 [2019-11-19 21:22:43,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:43,317 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 395 transitions. [2019-11-19 21:22:43,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-19 21:22:43,317 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 395 transitions. [2019-11-19 21:22:43,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 21:22:43,318 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:43,318 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:43,319 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:43,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:43,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1296612962, now seen corresponding path program 1 times [2019-11-19 21:22:43,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:43,319 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609509414] [2019-11-19 21:22:43,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 21:22:43,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609509414] [2019-11-19 21:22:43,392 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614983327] [2019-11-19 21:22:43,392 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 [2019-11-19 21:22:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:43,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-19 21:22:43,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:22:43,610 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 21:22:43,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-19 21:22:43,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2019-11-19 21:22:43,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824935138] [2019-11-19 21:22:43,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-19 21:22:43,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:43,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-19 21:22:43,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2019-11-19 21:22:43,613 INFO L87 Difference]: Start difference. First operand 312 states and 395 transitions. Second operand 10 states. [2019-11-19 21:22:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,022 INFO L93 Difference]: Finished difference Result 963 states and 1216 transitions. [2019-11-19 21:22:44,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-19 21:22:44,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2019-11-19 21:22:44,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:44,027 INFO L225 Difference]: With dead ends: 963 [2019-11-19 21:22:44,028 INFO L226 Difference]: Without dead ends: 657 [2019-11-19 21:22:44,029 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-11-19 21:22:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2019-11-19 21:22:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 296. [2019-11-19 21:22:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-11-19 21:22:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 364 transitions. [2019-11-19 21:22:44,072 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 364 transitions. Word has length 52 [2019-11-19 21:22:44,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:44,073 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 364 transitions. [2019-11-19 21:22:44,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-19 21:22:44,073 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 364 transitions. [2019-11-19 21:22:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 21:22:44,074 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:22:44,074 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:22:44,283 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:22:44,283 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:22:44,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:22:44,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1589885263, now seen corresponding path program 1 times [2019-11-19 21:22:44,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:22:44,284 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493973808] [2019-11-19 21:22:44,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:22:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:22:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:22:44,346 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493973808] [2019-11-19 21:22:44,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:22:44,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 21:22:44,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944575016] [2019-11-19 21:22:44,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-19 21:22:44,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:22:44,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 21:22:44,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-19 21:22:44,348 INFO L87 Difference]: Start difference. First operand 296 states and 364 transitions. Second operand 6 states. [2019-11-19 21:22:44,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:22:44,525 INFO L93 Difference]: Finished difference Result 737 states and 924 transitions. [2019-11-19 21:22:44,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-19 21:22:44,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-11-19 21:22:44,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:22:44,527 INFO L225 Difference]: With dead ends: 737 [2019-11-19 21:22:44,527 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:22:44,528 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2019-11-19 21:22:44,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:22:44,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:22:44,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:22:44,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:22:44,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 53 [2019-11-19 21:22:44,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:22:44,530 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:22:44,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-19 21:22:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:22:44,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:22:44,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:22:45,315 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 201 [2019-11-19 21:22:45,981 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 181 [2019-11-19 21:22:46,309 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 151 [2019-11-19 21:22:46,441 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 101 [2019-11-19 21:22:47,195 WARN L191 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2019-11-19 21:22:47,331 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 73 [2019-11-19 21:22:48,158 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 199 [2019-11-19 21:22:48,338 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 150 [2019-11-19 21:22:48,462 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 143 [2019-11-19 21:22:50,145 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2019-11-19 21:22:51,426 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 174 DAG size of output: 29 [2019-11-19 21:22:52,432 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 37 [2019-11-19 21:22:53,134 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 23 [2019-11-19 21:22:54,626 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 200 DAG size of output: 29 [2019-11-19 21:22:54,846 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2019-11-19 21:22:54,999 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2019-11-19 21:22:56,468 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 193 DAG size of output: 37 [2019-11-19 21:22:57,260 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 35 [2019-11-19 21:22:57,932 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 44 [2019-11-19 21:22:58,107 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2019-11-19 21:22:58,542 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 36 [2019-11-19 21:22:58,548 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,548 INFO L440 ceAbstractionStarter]: At program point L268(lines 261 271) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))))) (or (and (= 0 |ULTIMATE.start_isMethaneAlarm_#res|) (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0)) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)))) [2019-11-19 21:22:58,549 INFO L440 ceAbstractionStarter]: At program point L268-1(lines 261 271) the Hoare annotation is: false [2019-11-19 21:22:58,549 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,549 INFO L440 ceAbstractionStarter]: At program point L268-2(lines 261 271) the Hoare annotation is: false [2019-11-19 21:22:58,549 INFO L444 ceAbstractionStarter]: For program point L202-1(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,549 INFO L444 ceAbstractionStarter]: For program point L202-2(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L202-3(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L440 ceAbstractionStarter]: At program point L103-1(lines 103 109) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse6 (= ~pumpRunning~0 0) .cse7)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse7)))) (.cse2 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4) (and .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) .cse5) (and .cse5 .cse2 .cse3 .cse4)))) [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L202-4(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L202-5(lines 202 210) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L440 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: false [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2019-11-19 21:22:58,550 INFO L444 ceAbstractionStarter]: For program point L930-2(lines 930 936) no Hoare annotation was computed. [2019-11-19 21:22:58,551 INFO L444 ceAbstractionStarter]: For program point L930-4(lines 930 936) no Hoare annotation was computed. [2019-11-19 21:22:58,551 INFO L444 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2019-11-19 21:22:58,551 INFO L440 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:58,551 INFO L440 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse8 (= 1 ~systemActive~0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse1 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse2 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse3 (and .cse8 (= ~pumpRunning~0 0) .cse9))) (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (<= ~waterLevel~0 1) .cse3)) (.cse6 (and .cse0 .cse1 (and (= ~pumpRunning~0 1) (and .cse8 .cse2 .cse9)))) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and (and .cse0 .cse1 (and .cse2 .cse3)) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and .cse5 .cse6) (and .cse5 .cse7) (and .cse7 .cse4) (and .cse6 .cse4))))) [2019-11-19 21:22:58,551 INFO L440 ceAbstractionStarter]: At program point L173-1(lines 173 179) the Hoare annotation is: false [2019-11-19 21:22:58,551 INFO L440 ceAbstractionStarter]: At program point L173-2(lines 173 179) the Hoare annotation is: false [2019-11-19 21:22:58,551 INFO L444 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,551 INFO L444 ceAbstractionStarter]: For program point L900-1(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,551 INFO L444 ceAbstractionStarter]: For program point L900-2(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L900-3(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L900-4(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L900-5(lines 900 906) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L735-1(lines 166 172) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L440 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: false [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2019-11-19 21:22:58,552 INFO L447 ceAbstractionStarter]: At program point L802-1(lines 802 809) the Hoare annotation is: true [2019-11-19 21:22:58,552 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L277(lines 272 280) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 1) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L277-1(lines 272 280) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L277-2(lines 272 280) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905(lines 896 909) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905-1(lines 896 909) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (and .cse4 .cse5 .cse6))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and .cse4 (<= ~waterLevel~0 1) .cse5 .cse6)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse3 .cse0) (and .cse3 .cse2)))) [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905-2(lines 896 909) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905-3(lines 896 909) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905-4(lines 896 909) the Hoare annotation is: false [2019-11-19 21:22:58,553 INFO L440 ceAbstractionStarter]: At program point L905-5(lines 896 909) the Hoare annotation is: false [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2019-11-19 21:22:58,554 INFO L440 ceAbstractionStarter]: At program point L113-1(lines 113 119) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 21:22:58,554 INFO L447 ceAbstractionStarter]: At program point L811(lines 792 814) the Hoare annotation is: true [2019-11-19 21:22:58,554 INFO L440 ceAbstractionStarter]: At program point L779(lines 775 781) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point L847(lines 847 851) no Hoare annotation was computed. [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,554 INFO L444 ceAbstractionStarter]: For program point L715-2(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L224-1(lines 224 241) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L224-2(lines 224 241) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L920-2(lines 920 940) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L920-4(lines 920 940) no Hoare annotation was computed. [2019-11-19 21:22:58,555 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-3(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-5(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-6(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-8(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-9(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-11(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-12(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-14(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,556 INFO L444 ceAbstractionStarter]: For program point L326-15(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L326-17(lines 326 330) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L228-1(lines 228 236) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L823(lines 823 827) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2019-11-19 21:22:58,557 INFO L440 ceAbstractionStarter]: At program point L65(lines 1 943) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-19 21:22:58,558 INFO L440 ceAbstractionStarter]: At program point L131-2(lines 166 172) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198-2(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198-3(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198-4(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L444 ceAbstractionStarter]: For program point L198-5(lines 198 215) no Hoare annotation was computed. [2019-11-19 21:22:58,558 INFO L440 ceAbstractionStarter]: At program point L892(lines 887 895) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) (= ~pumpRunning~0 0) .cse1) .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse4 (and (and .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= ~pumpRunning~0 1) .cse1) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)))))) [2019-11-19 21:22:58,559 INFO L440 ceAbstractionStarter]: At program point L892-1(lines 887 895) the Hoare annotation is: false [2019-11-19 21:22:58,559 INFO L440 ceAbstractionStarter]: At program point L892-2(lines 887 895) the Hoare annotation is: false [2019-11-19 21:22:58,559 INFO L440 ceAbstractionStarter]: At program point L166(lines 165 184) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and .cse4 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) .cse5)))) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse3 .cse2)))) [2019-11-19 21:22:58,559 INFO L444 ceAbstractionStarter]: For program point L166-1(lines 166 172) no Hoare annotation was computed. [2019-11-19 21:22:58,559 INFO L440 ceAbstractionStarter]: At program point L166-2(lines 165 184) the Hoare annotation is: false [2019-11-19 21:22:58,559 INFO L440 ceAbstractionStarter]: At program point L166-3(lines 165 184) the Hoare annotation is: false [2019-11-19 21:22:58,559 INFO L444 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L926-1(lines 1 943) the Hoare annotation is: (let ((.cse7 (= 1 ~systemActive~0)) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse11 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse12 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse14 (and .cse7 .cse8 .cse9))) (let ((.cse3 (and (<= ~waterLevel~0 1) .cse14)) (.cse4 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse10 (and .cse11 .cse12 (and (= ~pumpRunning~0 1) (and .cse7 .cse13 .cse9))))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3 .cse6) (and (and .cse7 (= 1 ~waterLevel~0) .cse8 .cse9) .cse0) (and .cse10 .cse4 .cse5 .cse6) (and .cse4 (and .cse11 .cse12 (and .cse13 .cse14)) .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse10))))) [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L860(lines 855 863) the Hoare annotation is: (let ((.cse0 (and (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (and (= ~pumpRunning~0 1) (and (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3) (= 0 ULTIMATE.start_test_~splverifierCounter~0)))))) (or (and (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)))) [2019-11-19 21:22:58,560 INFO L444 ceAbstractionStarter]: For program point L926-2(lines 926 939) no Hoare annotation was computed. [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L860-1(lines 855 863) the Hoare annotation is: (let ((.cse10 (= 1 ~systemActive~0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse5 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse6 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1))) (.cse4 (and .cse10 (= ~pumpRunning~0 0) .cse11))) (let ((.cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (and (<= ~waterLevel~0 1) .cse4)) (.cse2 (= 1 ~methaneLevelCritical~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse0 (and .cse10 .cse5 .cse3 .cse6 (= ~pumpRunning~0 1) .cse11)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (or (and .cse0 .cse1 .cse2) (and .cse1 (and (and .cse3 .cse4) .cse5 .cse6) .cse2) (and .cse7 .cse8 .cse9) (and .cse1 .cse9 .cse2) (and .cse7 .cse0 .cse8))))) [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L926-3(lines 1 943) the Hoare annotation is: false [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2019-11-19 21:22:58,560 INFO L444 ceAbstractionStarter]: For program point L926-4(lines 926 939) no Hoare annotation was computed. [2019-11-19 21:22:58,560 INFO L440 ceAbstractionStarter]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L926-5(lines 1 943) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L332(lines 317 335) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L332-1(lines 317 335) the Hoare annotation is: (let ((.cse13 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1)) (.cse12 (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (let ((.cse4 (not .cse12)) (.cse7 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) (.cse5 (not .cse13)) (.cse8 (= 1 ~systemActive~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse12 .cse8 .cse13 .cse11 .cse9 .cse10)) (.cse2 (and .cse4 (and .cse7 (and .cse8 .cse11 .cse9 .cse10)) .cse5)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse7 (and .cse8 .cse9 .cse10)))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 .cse3) (and .cse2 .cse3) (and (and .cse4 .cse5 .cse6) .cse3) (and .cse1 .cse4 .cse5 .cse6))))) [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L332-2(lines 317 335) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L332-3(lines 317 335) the Hoare annotation is: false [2019-11-19 21:22:58,561 INFO L440 ceAbstractionStarter]: At program point L332-4(lines 317 335) the Hoare annotation is: false [2019-11-19 21:22:58,562 INFO L440 ceAbstractionStarter]: At program point L332-5(lines 317 335) the Hoare annotation is: false [2019-11-19 21:22:58,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:22:58 BoogieIcfgContainer [2019-11-19 21:22:58,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:22:58,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:22:58,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:22:58,598 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:22:58,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:22:40" (3/4) ... [2019-11-19 21:22:58,602 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:22:58,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-19 21:22:58,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-19 21:22:58,630 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-19 21:22:58,631 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 21:22:58,632 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:22:58,633 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-19 21:22:58,666 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical)) || (((1 <= tmp && (!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) [2019-11-19 21:22:58,666 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,667 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,668 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || ((1 <= \result && ((0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= \result && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && ((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 0 == \result) [2019-11-19 21:22:58,669 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,670 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((\result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-11-19 21:22:58,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) [2019-11-19 21:22:58,671 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) [2019-11-19 21:22:58,672 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter [2019-11-19 21:22:58,784 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 21:22:58,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:22:58,785 INFO L168 Benchmark]: Toolchain (without parser) took 20210.78 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 496.0 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -237.3 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,786 INFO L168 Benchmark]: CDTParser took 0.46 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. [2019-11-19 21:22:58,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 692.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,786 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,787 INFO L168 Benchmark]: Boogie Preprocessor took 48.50 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. [2019-11-19 21:22:58,787 INFO L168 Benchmark]: RCFGBuilder took 1064.74 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,788 INFO L168 Benchmark]: TraceAbstraction took 18123.17 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.4 MB). Peak memory consumption was 514.6 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,788 INFO L168 Benchmark]: Witness Printer took 186.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-19 21:22:58,790 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 692.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -142.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.38 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.50 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 1064.74 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: 71.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18123.17 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.0 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -187.4 MB). Peak memory consumption was 514.6 MB. Max. memory is 11.5 GB. * Witness Printer took 186.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 715]: 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: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: ((((((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && 0 == tmp && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && !(0 == \result)) && !(0 == tmp___0)) && (\result == 0 && 0 == tmp) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && 0 == \result) && pumpRunning == 1) && \result == 1) && 0 == tmp) && 0 == splverifierCounter - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((\result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: (0 == \result && (0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical) && 0 == \result) && 0 == tmp) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && ((((1 == systemActive && 0 == tmp) && pumpRunning == 1) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: (((((((!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (0 == methaneLevelCritical && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || (((1 <= tmp && 1 <= \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((1 == systemActive && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methaneLevelCritical)) || (((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= tmp) && 1 <= \result) && 1 == methaneLevelCritical)) || (((1 <= tmp && (!(0 == \result) && !(0 == tmp___0)) && 0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == \result) && 0 == tmp) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && 0 == \result) && (!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) || ((((!(0 == \result) && !(0 == tmp___0)) && pumpRunning == 1 && (1 == systemActive && 0 == tmp) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((((((((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || ((1 <= \result && ((0 == tmp && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && 0 == \result) && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || ((1 <= \result && waterLevel <= 1 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && ((((1 == systemActive && !(0 == \result)) && 0 == tmp) && !(0 == tmp___0)) && pumpRunning == 1) && 0 == splverifierCounter) && 0 == \result) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 18.0s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, HoareTripleCheckerStatistics: 1346 SDtfs, 2048 SDslu, 2652 SDs, 0 SdLazy, 395 SolverSat, 75 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 152 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=312occurred 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: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1724 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 46 PreInvPairs, 263 NumberOfFragments, 1291 HoareAnnotationTreeSize, 46 FomulaSimplifications, 3516707 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 911972 FormulaSimplificationTreeSizeReductionInter, 9.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 491 NumberOfCodeBlocks, 491 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 477 ConstructedInterpolants, 0 QuantifiedInterpolants, 38310 SizeOfPredicates, 4 NumberOfNonLiveVariables, 412 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 50/58 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...