./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:42:16,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:16,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:16,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:16,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:16,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:16,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:16,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:16,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:16,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:16,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:16,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:16,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:16,248 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:16,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:16,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:16,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:16,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:16,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:16,262 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:16,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:16,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:16,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:16,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:16,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:16,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:16,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:16,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:16,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:16,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:16,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:16,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:16,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:16,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:16,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:16,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:16,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:16,285 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:16,285 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:16,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:16,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:16,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:16,311 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:16,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:16,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:16,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:16,313 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:16,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:16,313 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:16,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:16,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:16,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:16,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:16,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:16,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:16,315 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:16,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:16,315 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:16,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:16,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:16,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:16,316 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:16,316 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:16,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:16,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:16,317 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:16,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:16,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:16,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:16,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:16,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:16,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a6fa3eb21cbb665d14eb9ccd1201c05b2821bd8 [2020-10-20 01:42:16,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:16,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:16,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:16,564 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:16,564 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:16,565 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-10-20 01:42:16,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d00383fa/131a17fef1dd460798377c4b99591a0f/FLAG02bcffb7a [2020-10-20 01:42:17,199 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:17,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2020-10-20 01:42:17,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d00383fa/131a17fef1dd460798377c4b99591a0f/FLAG02bcffb7a [2020-10-20 01:42:17,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d00383fa/131a17fef1dd460798377c4b99591a0f [2020-10-20 01:42:17,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:17,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:17,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:17,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:17,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:17,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:17" (1/1) ... [2020-10-20 01:42:17,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d66cd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:17, skipping insertion in model container [2020-10-20 01:42:17,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:17" (1/1) ... [2020-10-20 01:42:17,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:17,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:17,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:17,957 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:18,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:18,130 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:18,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18 WrapperNode [2020-10-20 01:42:18,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:18,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:18,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:18,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:18,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:18,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:18,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:18,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:18,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... [2020-10-20 01:42:18,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:18,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:18,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:18,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:18,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:18,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:18,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:19,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:19,149 INFO L298 CfgBuilder]: Removed 110 assume(true) statements. [2020-10-20 01:42:19,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19 BoogieIcfgContainer [2020-10-20 01:42:19,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:19,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:19,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:19,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:19,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:17" (1/3) ... [2020-10-20 01:42:19,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748afe5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:18" (2/3) ... [2020-10-20 01:42:19,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@748afe5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:19, skipping insertion in model container [2020-10-20 01:42:19,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19" (3/3) ... [2020-10-20 01:42:19,160 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-10-20 01:42:19,172 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:19,180 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:19,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:19,221 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:19,221 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:19,221 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:19,222 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:19,222 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:19,222 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:19,222 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:19,222 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-10-20 01:42:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:19,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:19,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:19,249 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:19,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:19,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1624271172, now seen corresponding path program 1 times [2020-10-20 01:42:19,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:19,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292949077] [2020-10-20 01:42:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:19,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292949077] [2020-10-20 01:42:19,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:19,624 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:19,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280103458] [2020-10-20 01:42:19,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:19,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:19,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:19,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:19,648 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-10-20 01:42:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:19,677 INFO L93 Difference]: Finished difference Result 146 states and 219 transitions. [2020-10-20 01:42:19,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:19,679 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:19,692 INFO L225 Difference]: With dead ends: 146 [2020-10-20 01:42:19,692 INFO L226 Difference]: Without dead ends: 71 [2020-10-20 01:42:19,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:19,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-10-20 01:42:19,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-10-20 01:42:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 01:42:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 100 transitions. [2020-10-20 01:42:19,743 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 100 transitions. Word has length 18 [2020-10-20 01:42:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:19,744 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 100 transitions. [2020-10-20 01:42:19,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2020-10-20 01:42:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:19,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:19,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:19,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:19,746 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:19,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:19,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1405435203, now seen corresponding path program 1 times [2020-10-20 01:42:19,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:19,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88205849] [2020-10-20 01:42:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:19,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88205849] [2020-10-20 01:42:19,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:19,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:19,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658100683] [2020-10-20 01:42:19,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:19,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:19,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:19,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:19,925 INFO L87 Difference]: Start difference. First operand 71 states and 100 transitions. Second operand 3 states. [2020-10-20 01:42:19,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:19,946 INFO L93 Difference]: Finished difference Result 71 states and 100 transitions. [2020-10-20 01:42:19,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:19,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:19,950 INFO L225 Difference]: With dead ends: 71 [2020-10-20 01:42:19,950 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 01:42:19,951 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 01:42:19,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 01:42:19,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 01:42:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-10-20 01:42:19,962 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2020-10-20 01:42:19,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:19,962 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-10-20 01:42:19,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-10-20 01:42:19,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:19,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:19,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:19,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:19,965 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1221563328, now seen corresponding path program 1 times [2020-10-20 01:42:19,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:19,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547063055] [2020-10-20 01:42:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:20,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547063055] [2020-10-20 01:42:20,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:20,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400681837] [2020-10-20 01:42:20,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:20,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:20,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:20,122 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 5 states. [2020-10-20 01:42:20,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,204 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2020-10-20 01:42:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:42:20,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,206 INFO L225 Difference]: With dead ends: 87 [2020-10-20 01:42:20,207 INFO L226 Difference]: Without dead ends: 59 [2020-10-20 01:42:20,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-20 01:42:20,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-20 01:42:20,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-10-20 01:42:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-20 01:42:20,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 80 transitions. [2020-10-20 01:42:20,217 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 80 transitions. Word has length 24 [2020-10-20 01:42:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,218 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 80 transitions. [2020-10-20 01:42:20,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2020-10-20 01:42:20,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:20,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:20,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:20,220 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,221 INFO L82 PathProgramCache]: Analyzing trace with hash -854554471, now seen corresponding path program 1 times [2020-10-20 01:42:20,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888260945] [2020-10-20 01:42:20,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:20,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888260945] [2020-10-20 01:42:20,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:20,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559394394] [2020-10-20 01:42:20,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:20,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:20,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:20,286 INFO L87 Difference]: Start difference. First operand 55 states and 80 transitions. Second operand 5 states. [2020-10-20 01:42:20,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,413 INFO L93 Difference]: Finished difference Result 242 states and 372 transitions. [2020-10-20 01:42:20,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:20,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:20,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,417 INFO L225 Difference]: With dead ends: 242 [2020-10-20 01:42:20,417 INFO L226 Difference]: Without dead ends: 194 [2020-10-20 01:42:20,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-20 01:42:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2020-10-20 01:42:20,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 95. [2020-10-20 01:42:20,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-20 01:42:20,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 138 transitions. [2020-10-20 01:42:20,434 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 138 transitions. Word has length 25 [2020-10-20 01:42:20,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,435 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 138 transitions. [2020-10-20 01:42:20,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:20,435 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2020-10-20 01:42:20,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:20,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:20,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:42:20,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:20,438 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:20,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:20,438 INFO L82 PathProgramCache]: Analyzing trace with hash -748784367, now seen corresponding path program 1 times [2020-10-20 01:42:20,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:20,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078701636] [2020-10-20 01:42:20,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:20,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 01:42:20,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078701636] [2020-10-20 01:42:20,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:20,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:20,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987302675] [2020-10-20 01:42:20,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:20,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:20,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:20,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:20,511 INFO L87 Difference]: Start difference. First operand 95 states and 138 transitions. Second operand 5 states. [2020-10-20 01:42:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:20,599 INFO L93 Difference]: Finished difference Result 285 states and 424 transitions. [2020-10-20 01:42:20,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:20,600 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:20,600 INFO L225 Difference]: With dead ends: 285 [2020-10-20 01:42:20,600 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:20,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:20,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:20,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:20,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:20,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 01:42:20,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:20,604 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:20,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:20,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:20,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:20,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:20,998 INFO L274 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point L911-2(lines 911 921) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point L911-4(lines 911 921) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:20,999 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point L912-2(lines 912 918) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point L912-4(lines 912 918) no Hoare annotation was computed. [2020-10-20 01:42:21,000 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-20 01:42:21,001 INFO L274 CegarLoopResult]: For program point L450-1(line 450) no Hoare annotation was computed. [2020-10-20 01:42:21,001 INFO L270 CegarLoopResult]: At program point L896(lines 891 898) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,001 INFO L274 CegarLoopResult]: For program point L450-2(line 450) no Hoare annotation was computed. [2020-10-20 01:42:21,001 INFO L274 CegarLoopResult]: For program point L467(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:42:21,001 INFO L274 CegarLoopResult]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:42:21,002 INFO L274 CegarLoopResult]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2020-10-20 01:42:21,002 INFO L270 CegarLoopResult]: At program point L748(lines 741 751) the Hoare annotation is: false [2020-10-20 01:42:21,002 INFO L270 CegarLoopResult]: At program point L748-1(lines 741 751) the Hoare annotation is: false [2020-10-20 01:42:21,002 INFO L270 CegarLoopResult]: At program point L748-2(lines 741 751) the Hoare annotation is: false [2020-10-20 01:42:21,002 INFO L270 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: false [2020-10-20 01:42:21,002 INFO L274 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2020-10-20 01:42:21,003 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-20 01:42:21,003 INFO L270 CegarLoopResult]: At program point L602(lines 598 604) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,003 INFO L270 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: false [2020-10-20 01:42:21,003 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-10-20 01:42:21,003 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,003 INFO L270 CegarLoopResult]: At program point L801-1(lines 801 807) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,003 INFO L270 CegarLoopResult]: At program point L504(lines 499 507) the Hoare annotation is: false [2020-10-20 01:42:21,004 INFO L270 CegarLoopResult]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,004 INFO L270 CegarLoopResult]: At program point L504-2(lines 499 507) the Hoare annotation is: false [2020-10-20 01:42:21,004 INFO L270 CegarLoopResult]: At program point L504-3(lines 499 507) the Hoare annotation is: false [2020-10-20 01:42:21,004 INFO L270 CegarLoopResult]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2020-10-20 01:42:21,004 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-10-20 01:42:21,004 INFO L270 CegarLoopResult]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2020-10-20 01:42:21,005 INFO L270 CegarLoopResult]: At program point L851-1(lines 851 857) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,005 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,005 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-20 01:42:21,005 INFO L277 CegarLoopResult]: At program point L637(lines 618 640) the Hoare annotation is: true [2020-10-20 01:42:21,005 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,005 INFO L274 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2020-10-20 01:42:21,005 INFO L274 CegarLoopResult]: For program point L687-1(lines 687 704) no Hoare annotation was computed. [2020-10-20 01:42:21,006 INFO L274 CegarLoopResult]: For program point L687-2(lines 687 704) no Hoare annotation was computed. [2020-10-20 01:42:21,006 INFO L274 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-10-20 01:42:21,006 INFO L270 CegarLoopResult]: At program point L869-1(lines 655 661) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,006 INFO L270 CegarLoopResult]: At program point L655(lines 654 673) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,006 INFO L274 CegarLoopResult]: For program point L655-1(lines 655 661) no Hoare annotation was computed. [2020-10-20 01:42:21,006 INFO L270 CegarLoopResult]: At program point L655-2(lines 654 673) the Hoare annotation is: false [2020-10-20 01:42:21,007 INFO L270 CegarLoopResult]: At program point L655-3(lines 654 673) the Hoare annotation is: false [2020-10-20 01:42:21,007 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,007 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-20 01:42:21,007 INFO L274 CegarLoopResult]: For program point L557-1(lines 655 661) no Hoare annotation was computed. [2020-10-20 01:42:21,007 INFO L274 CegarLoopResult]: For program point L491(lines 491 495) no Hoare annotation was computed. [2020-10-20 01:42:21,007 INFO L270 CegarLoopResult]: At program point L757(lines 752 760) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,007 INFO L270 CegarLoopResult]: At program point L757-1(lines 752 760) the Hoare annotation is: false [2020-10-20 01:42:21,008 INFO L274 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2020-10-20 01:42:21,008 INFO L270 CegarLoopResult]: At program point L757-2(lines 752 760) the Hoare annotation is: false [2020-10-20 01:42:21,008 INFO L274 CegarLoopResult]: For program point L691-1(lines 691 699) no Hoare annotation was computed. [2020-10-20 01:42:21,008 INFO L274 CegarLoopResult]: For program point L691-2(lines 691 699) no Hoare annotation was computed. [2020-10-20 01:42:21,008 INFO L274 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-10-20 01:42:21,008 INFO L270 CegarLoopResult]: At program point L907-1(lines 1 927) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,008 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-10-20 01:42:21,009 INFO L274 CegarLoopResult]: For program point L907-2(lines 907 924) no Hoare annotation was computed. [2020-10-20 01:42:21,009 INFO L270 CegarLoopResult]: At program point L841-1(lines 841 847) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,009 INFO L270 CegarLoopResult]: At program point L907-3(lines 1 927) the Hoare annotation is: false [2020-10-20 01:42:21,009 INFO L274 CegarLoopResult]: For program point L907-4(lines 907 924) no Hoare annotation was computed. [2020-10-20 01:42:21,009 INFO L270 CegarLoopResult]: At program point L907-5(lines 1 927) the Hoare annotation is: false [2020-10-20 01:42:21,009 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:21,010 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:21,010 INFO L274 CegarLoopResult]: For program point L479(lines 479 483) no Hoare annotation was computed. [2020-10-20 01:42:21,010 INFO L274 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-10-20 01:42:21,010 INFO L277 CegarLoopResult]: At program point L628-1(lines 628 635) the Hoare annotation is: true [2020-10-20 01:42:21,010 INFO L270 CegarLoopResult]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:42:21,010 INFO L270 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~3 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:21,011 INFO L270 CegarLoopResult]: At program point L662-1(lines 662 668) the Hoare annotation is: false [2020-10-20 01:42:21,011 INFO L270 CegarLoopResult]: At program point L662-2(lines 662 668) the Hoare annotation is: false [2020-10-20 01:42:21,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:21 BoogieIcfgContainer [2020-10-20 01:42:21,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:21,035 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:21,035 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:21,035 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:21,036 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:19" (3/4) ... [2020-10-20 01:42:21,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:21,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:21,064 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:21,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:21,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:21,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:21,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:21,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:21,102 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:21,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:21,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:21,103 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,104 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,105 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,106 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,107 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,110 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:21,212 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:21,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:21,214 INFO L168 Benchmark]: Toolchain (without parser) took 3738.95 ms. Allocated memory was 35.1 MB in the beginning and 61.9 MB in the end (delta: 26.7 MB). Free memory was 11.1 MB in the beginning and 40.8 MB in the end (delta: -29.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,215 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 40.3 kB). Peak memory consumption was 40.3 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.87 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.2 MB in the beginning and 26.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.68 ms. Allocated memory is still 43.5 MB. Free memory was 26.5 MB in the beginning and 23.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,217 INFO L168 Benchmark]: Boogie Preprocessor took 55.48 ms. Allocated memory is still 43.5 MB. Free memory was 23.3 MB in the beginning and 21.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,217 INFO L168 Benchmark]: RCFGBuilder took 871.68 ms. Allocated memory was 43.5 MB in the beginning and 48.8 MB in the end (delta: 5.2 MB). Free memory was 20.8 MB in the beginning and 20.2 MB in the end (delta: 524.2 kB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,218 INFO L168 Benchmark]: TraceAbstraction took 1881.91 ms. Allocated memory was 48.8 MB in the beginning and 58.2 MB in the end (delta: 9.4 MB). Free memory was 19.5 MB in the beginning and 18.8 MB in the end (delta: 661.8 kB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,218 INFO L168 Benchmark]: Witness Printer took 177.62 ms. Allocated memory was 58.2 MB in the beginning and 61.9 MB in the end (delta: 3.7 MB). Free memory was 18.8 MB in the beginning and 40.8 MB in the end (delta: -21.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:21,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 34.1 MB. Free memory was 19.1 MB in the beginning and 19.1 MB in the end (delta: 40.3 kB). Peak memory consumption was 40.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 650.87 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 10.2 MB in the beginning and 26.5 MB in the end (delta: -16.2 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.68 ms. Allocated memory is still 43.5 MB. Free memory was 26.5 MB in the beginning and 23.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 55.48 ms. Allocated memory is still 43.5 MB. Free memory was 23.3 MB in the beginning and 21.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 871.68 ms. Allocated memory was 43.5 MB in the beginning and 48.8 MB in the end (delta: 5.2 MB). Free memory was 20.8 MB in the beginning and 20.2 MB in the end (delta: 524.2 kB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1881.91 ms. Allocated memory was 48.8 MB in the beginning and 58.2 MB in the end (delta: 9.4 MB). Free memory was 19.5 MB in the beginning and 18.8 MB in the end (delta: 661.8 kB). Peak memory consumption was 18.3 MB. Max. memory is 14.3 GB. * Witness Printer took 177.62 ms. Allocated memory was 58.2 MB in the beginning and 61.9 MB in the end (delta: 3.7 MB). Free memory was 18.8 MB in the beginning and 40.8 MB in the end (delta: -21.9 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 662]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 467 SDslu, 325 SDs, 0 SdLazy, 67 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 199 HoareAnnotationTreeSize, 33 FomulaSimplifications, 4048 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 144 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...