./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.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_spec1_product08.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 06bd52675bc6dde68cedf41ed0037401ce822bbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:41:13,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:41:13,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:41:13,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:41:13,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:41:13,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:41:13,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:41:13,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:41:13,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:41:13,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:41:13,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:41:13,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:41:13,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:41:13,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:41:13,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:41:13,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:41:13,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:41:13,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:41:13,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:41:13,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:41:13,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:41:13,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:41:13,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:41:13,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:41:13,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:41:13,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:41:13,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:41:13,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:41:13,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:41:13,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:41:13,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:41:13,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:41:13,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:41:13,193 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:41:13,194 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:41:13,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:41:13,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:41:13,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:41:13,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:41:13,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:41:13,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:41:13,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:41:13,219 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:41:13,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:41:13,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:41:13,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:41:13,221 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:41:13,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:41:13,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:41:13,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:41:13,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:41:13,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:41:13,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:41:13,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:41:13,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:41:13,222 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:41:13,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:41:13,223 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:41:13,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:41:13,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:41:13,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:41:13,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:41:13,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:41:13,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:41:13,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:41:13,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:41:13,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:41:13,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:41:13,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:41:13,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:41:13,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:41:13,225 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 -> 06bd52675bc6dde68cedf41ed0037401ce822bbb [2020-10-20 01:41:13,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:41:13,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:41:13,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:41:13,450 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:41:13,451 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:41:13,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-10-20 01:41:13,539 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08c14e64/40b17202191e44659da574e74c2f1ce8/FLAG92431104c [2020-10-20 01:41:14,153 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:41:14,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2020-10-20 01:41:14,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08c14e64/40b17202191e44659da574e74c2f1ce8/FLAG92431104c [2020-10-20 01:41:14,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d08c14e64/40b17202191e44659da574e74c2f1ce8 [2020-10-20 01:41:14,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:41:14,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:41:14,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:14,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:41:14,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:41:14,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:14" (1/1) ... [2020-10-20 01:41:14,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daa4749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:14, skipping insertion in model container [2020-10-20 01:41:14,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:41:14" (1/1) ... [2020-10-20 01:41:14,500 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:41:14,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:41:15,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:15,030 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:41:15,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:41:15,175 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:41:15,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15 WrapperNode [2020-10-20 01:41:15,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:41:15,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:15,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:41:15,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:41:15,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:41:15,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:41:15,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:41:15,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:41:15,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (1/1) ... [2020-10-20 01:41:15,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:41:15,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:41:15,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:41:15,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:41:15,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (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 01:41:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:41:15,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:41:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:41:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:41:16,148 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:41:16,149 INFO L298 CfgBuilder]: Removed 108 assume(true) statements. [2020-10-20 01:41:16,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16 BoogieIcfgContainer [2020-10-20 01:41:16,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:41:16,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:41:16,163 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:41:16,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:41:16,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:41:14" (1/3) ... [2020-10-20 01:41:16,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbdb68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:16, skipping insertion in model container [2020-10-20 01:41:16,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:41:15" (2/3) ... [2020-10-20 01:41:16,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbdb68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:41:16, skipping insertion in model container [2020-10-20 01:41:16,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16" (3/3) ... [2020-10-20 01:41:16,176 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2020-10-20 01:41:16,189 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:41:16,198 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:41:16,213 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:41:16,244 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:41:16,245 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:41:16,245 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:41:16,246 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:41:16,246 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:41:16,246 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:41:16,246 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:41:16,247 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:41:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-20 01:41:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-20 01:41:16,278 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:16,279 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:16,280 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:16,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1646836375, now seen corresponding path program 1 times [2020-10-20 01:41:16,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:16,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068266168] [2020-10-20 01:41:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:16,562 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 01:41:16,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068266168] [2020-10-20 01:41:16,564 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:16,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:41:16,565 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608138560] [2020-10-20 01:41:16,571 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:41:16,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:16,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:41:16,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:41:16,604 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 2 states. [2020-10-20 01:41:16,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:16,635 INFO L93 Difference]: Finished difference Result 139 states and 206 transitions. [2020-10-20 01:41:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:41:16,636 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-10-20 01:41:16,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:16,649 INFO L225 Difference]: With dead ends: 139 [2020-10-20 01:41:16,649 INFO L226 Difference]: Without dead ends: 67 [2020-10-20 01:41:16,653 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 01:41:16,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-20 01:41:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2020-10-20 01:41:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-20 01:41:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 93 transitions. [2020-10-20 01:41:16,692 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 93 transitions. Word has length 16 [2020-10-20 01:41:16,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:16,693 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 93 transitions. [2020-10-20 01:41:16,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:41:16,693 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 93 transitions. [2020-10-20 01:41:16,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 01:41:16,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:16,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 01:41:16,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:41:16,695 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:16,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:16,696 INFO L82 PathProgramCache]: Analyzing trace with hash 395758373, now seen corresponding path program 1 times [2020-10-20 01:41:16,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:16,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900429731] [2020-10-20 01:41:16,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:16,814 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 01:41:16,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900429731] [2020-10-20 01:41:16,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:16,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:41:16,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585709509] [2020-10-20 01:41:16,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:41:16,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:16,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:41:16,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:41:16,819 INFO L87 Difference]: Start difference. First operand 67 states and 93 transitions. Second operand 3 states. [2020-10-20 01:41:16,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:16,832 INFO L93 Difference]: Finished difference Result 67 states and 93 transitions. [2020-10-20 01:41:16,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:41:16,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-20 01:41:16,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:16,834 INFO L225 Difference]: With dead ends: 67 [2020-10-20 01:41:16,834 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:41:16,835 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 01:41:16,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:41:16,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:41:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:41:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:41:16,843 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2020-10-20 01:41:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:16,843 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:41:16,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:41:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:41:16,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-20 01:41:16,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:16,845 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] [2020-10-20 01:41:16,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:41:16,846 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash -915815930, now seen corresponding path program 1 times [2020-10-20 01:41:16,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:16,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223035448] [2020-10-20 01:41:16,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,003 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 01:41:17,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223035448] [2020-10-20 01:41:17,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:41:17,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914644781] [2020-10-20 01:41:17,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:17,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:17,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:17,008 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-10-20 01:41:17,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,096 INFO L93 Difference]: Finished difference Result 83 states and 120 transitions. [2020-10-20 01:41:17,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 01:41:17,097 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-10-20 01:41:17,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,098 INFO L225 Difference]: With dead ends: 83 [2020-10-20 01:41:17,098 INFO L226 Difference]: Without dead ends: 56 [2020-10-20 01:41:17,099 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 01:41:17,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-20 01:41:17,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-10-20 01:41:17,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-20 01:41:17,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2020-10-20 01:41:17,109 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 22 [2020-10-20 01:41:17,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,110 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2020-10-20 01:41:17,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:17,110 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2020-10-20 01:41:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-20 01:41:17,111 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:17,111 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] [2020-10-20 01:41:17,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:41:17,111 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:17,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:17,112 INFO L82 PathProgramCache]: Analyzing trace with hash 9705803, now seen corresponding path program 1 times [2020-10-20 01:41:17,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:17,113 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791011884] [2020-10-20 01:41:17,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,219 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 01:41:17,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791011884] [2020-10-20 01:41:17,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:17,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491903872] [2020-10-20 01:41:17,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:17,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:17,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:17,221 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand 5 states. [2020-10-20 01:41:17,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,336 INFO L93 Difference]: Finished difference Result 237 states and 363 transitions. [2020-10-20 01:41:17,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:41:17,337 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-10-20 01:41:17,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,339 INFO L225 Difference]: With dead ends: 237 [2020-10-20 01:41:17,340 INFO L226 Difference]: Without dead ends: 191 [2020-10-20 01:41:17,341 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 01:41:17,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-10-20 01:41:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 92. [2020-10-20 01:41:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-20 01:41:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 133 transitions. [2020-10-20 01:41:17,375 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 133 transitions. Word has length 23 [2020-10-20 01:41:17,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,376 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 133 transitions. [2020-10-20 01:41:17,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:17,376 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 133 transitions. [2020-10-20 01:41:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:41:17,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:41:17,378 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 01:41:17,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:41:17,378 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:41:17,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:41:17,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1962564181, now seen corresponding path program 1 times [2020-10-20 01:41:17,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:41:17,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456423220] [2020-10-20 01:41:17,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:41:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:41:17,437 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 01:41:17,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456423220] [2020-10-20 01:41:17,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:41:17,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:41:17,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925080398] [2020-10-20 01:41:17,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:41:17,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:41:17,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:41:17,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:41:17,439 INFO L87 Difference]: Start difference. First operand 92 states and 133 transitions. Second operand 5 states. [2020-10-20 01:41:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:41:17,508 INFO L93 Difference]: Finished difference Result 282 states and 419 transitions. [2020-10-20 01:41:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:41:17,522 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:41:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:41:17,523 INFO L225 Difference]: With dead ends: 282 [2020-10-20 01:41:17,523 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:41:17,525 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 01:41:17,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:41:17,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:41:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:41:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:41:17,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-10-20 01:41:17,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:41:17,527 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:41:17,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:41:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:41:17,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:41:17,528 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:41:17,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:41:18,015 INFO L270 CegarLoopResult]: At program point L217(lines 212 220) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,016 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,016 INFO L270 CegarLoopResult]: At program point L217-1(lines 212 220) the Hoare annotation is: false [2020-10-20 01:41:18,016 INFO L270 CegarLoopResult]: At program point L217-2(lines 212 220) the Hoare annotation is: false [2020-10-20 01:41:18,016 INFO L270 CegarLoopResult]: At program point L680(lines 675 683) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L168(lines 168 176) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L168-1(lines 168 176) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 176) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,017 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:41:18,018 INFO L274 CegarLoopResult]: For program point L847(lines 847 851) no Hoare annotation was computed. [2020-10-20 01:41:18,018 INFO L274 CegarLoopResult]: For program point L798(lines 798 811) no Hoare annotation was computed. [2020-10-20 01:41:18,018 INFO L270 CegarLoopResult]: At program point L798-1(lines 1 895) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,018 INFO L274 CegarLoopResult]: For program point L798-2(lines 798 811) no Hoare annotation was computed. [2020-10-20 01:41:18,018 INFO L270 CegarLoopResult]: At program point L798-3(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:18,018 INFO L274 CegarLoopResult]: For program point L798-4(lines 798 811) no Hoare annotation was computed. [2020-10-20 01:41:18,018 INFO L270 CegarLoopResult]: At program point L798-5(lines 1 895) the Hoare annotation is: false [2020-10-20 01:41:18,019 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-10-20 01:41:18,019 INFO L270 CegarLoopResult]: At program point L139(lines 139 145) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,019 INFO L270 CegarLoopResult]: At program point L139-1(lines 139 145) the Hoare annotation is: false [2020-10-20 01:41:18,024 INFO L270 CegarLoopResult]: At program point L139-2(lines 139 145) the Hoare annotation is: false [2020-10-20 01:41:18,024 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:41:18,026 INFO L277 CegarLoopResult]: At program point L785(lines 766 788) the Hoare annotation is: true [2020-10-20 01:41:18,026 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-10-20 01:41:18,027 INFO L274 CegarLoopResult]: For program point L835(lines 835 839) no Hoare annotation was computed. [2020-10-20 01:41:18,027 INFO L274 CegarLoopResult]: For program point L802(lines 802 808) no Hoare annotation was computed. [2020-10-20 01:41:18,027 INFO L274 CegarLoopResult]: For program point L802-2(lines 802 808) no Hoare annotation was computed. [2020-10-20 01:41:18,029 INFO L274 CegarLoopResult]: For program point L802-4(lines 802 808) no Hoare annotation was computed. [2020-10-20 01:41:18,029 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-10-20 01:41:18,029 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,031 INFO L270 CegarLoopResult]: At program point L753(lines 749 755) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,033 INFO L270 CegarLoopResult]: At program point L208(lines 201 211) the Hoare annotation is: false [2020-10-20 01:41:18,033 INFO L270 CegarLoopResult]: At program point L208-1(lines 201 211) the Hoare annotation is: false [2020-10-20 01:41:18,034 INFO L270 CegarLoopResult]: At program point L208-2(lines 201 211) the Hoare annotation is: false [2020-10-20 01:41:18,034 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-10-20 01:41:18,034 INFO L270 CegarLoopResult]: At program point L672(lines 1 895) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:41:18,034 INFO L270 CegarLoopResult]: At program point L705-2(lines 705 719) the Hoare annotation is: false [2020-10-20 01:41:18,035 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:41:18,036 INFO L274 CegarLoopResult]: For program point L689(line 689) no Hoare annotation was computed. [2020-10-20 01:41:18,036 INFO L274 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2020-10-20 01:41:18,036 INFO L274 CegarLoopResult]: For program point L689-2(line 689) no Hoare annotation was computed. [2020-10-20 01:41:18,036 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-10-20 01:41:18,038 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,038 INFO L274 CegarLoopResult]: For program point L706(line 706) no Hoare annotation was computed. [2020-10-20 01:41:18,039 INFO L274 CegarLoopResult]: For program point L261(lines 261 267) no Hoare annotation was computed. [2020-10-20 01:41:18,039 INFO L270 CegarLoopResult]: At program point L261-1(lines 261 267) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,039 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-10-20 01:41:18,059 INFO L270 CegarLoopResult]: At program point L96-1(lines 132 138) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,060 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-10-20 01:41:18,060 INFO L274 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2020-10-20 01:41:18,062 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2020-10-20 01:41:18,062 INFO L274 CegarLoopResult]: For program point L709(lines 709 713) no Hoare annotation was computed. [2020-10-20 01:41:18,062 INFO L274 CegarLoopResult]: For program point L164(lines 164 181) no Hoare annotation was computed. [2020-10-20 01:41:18,063 INFO L274 CegarLoopResult]: For program point L709-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:41:18,063 INFO L274 CegarLoopResult]: For program point L164-1(lines 164 181) no Hoare annotation was computed. [2020-10-20 01:41:18,063 INFO L274 CegarLoopResult]: For program point L164-2(lines 164 181) no Hoare annotation was computed. [2020-10-20 01:41:18,063 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:41:18,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:41:18,064 INFO L274 CegarLoopResult]: For program point L776(lines 776 783) no Hoare annotation was computed. [2020-10-20 01:41:18,064 INFO L277 CegarLoopResult]: At program point L776-1(lines 776 783) the Hoare annotation is: true [2020-10-20 01:41:18,064 INFO L270 CegarLoopResult]: At program point L132(lines 131 150) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,064 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2020-10-20 01:41:18,067 INFO L270 CegarLoopResult]: At program point L132-2(lines 131 150) the Hoare annotation is: false [2020-10-20 01:41:18,068 INFO L270 CegarLoopResult]: At program point L132-3(lines 131 150) the Hoare annotation is: false [2020-10-20 01:41:18,068 INFO L270 CegarLoopResult]: At program point L860(lines 855 863) the Hoare annotation is: false [2020-10-20 01:41:18,068 INFO L270 CegarLoopResult]: At program point L860-1(lines 855 863) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,070 INFO L270 CegarLoopResult]: At program point L860-2(lines 855 863) the Hoare annotation is: false [2020-10-20 01:41:18,070 INFO L270 CegarLoopResult]: At program point L860-3(lines 855 863) the Hoare annotation is: false [2020-10-20 01:41:18,070 INFO L270 CegarLoopResult]: At program point L860-4(lines 855 863) the Hoare annotation is: false [2020-10-20 01:41:18,071 INFO L270 CegarLoopResult]: At program point L860-5(lines 855 863) the Hoare annotation is: false [2020-10-20 01:41:18,071 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-10-20 01:41:18,071 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:41:18,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:41:18 BoogieIcfgContainer [2020-10-20 01:41:18,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:41:18,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:41:18,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:41:18,117 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:41:18,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:41:16" (3/4) ... [2020-10-20 01:41:18,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:41:18,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:41:18,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:41:18,161 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:41:18,162 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:41:18,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:41:18,163 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:18,164 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:41:18,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:18,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:41:18,199 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,200 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,201 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,204 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,205 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,207 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,208 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:41:18,272 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:41:18,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:41:18,275 INFO L168 Benchmark]: Toolchain (without parser) took 3799.83 ms. Allocated memory was 39.3 MB in the beginning and 56.6 MB in the end (delta: 17.3 MB). Free memory was 16.6 MB in the beginning and 25.7 MB in the end (delta: -9.1 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,275 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 30.9 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.69 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.8 MB in the beginning and 19.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.04 ms. Allocated memory is still 41.4 MB. Free memory was 19.3 MB in the beginning and 16.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,277 INFO L168 Benchmark]: Boogie Preprocessor took 68.56 ms. Allocated memory is still 41.4 MB. Free memory was 16.0 MB in the beginning and 13.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,277 INFO L168 Benchmark]: RCFGBuilder took 832.91 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 13.6 MB in the beginning and 10.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,278 INFO L168 Benchmark]: TraceAbstraction took 1954.12 ms. Allocated memory was 45.6 MB in the beginning and 56.6 MB in the end (delta: 11.0 MB). Free memory was 28.3 MB in the beginning and 34.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,278 INFO L168 Benchmark]: Witness Printer took 155.87 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 25.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:41:18,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 30.9 MB. Free memory was 7.4 MB in the beginning and 7.3 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 693.69 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.8 MB in the beginning and 19.3 MB in the end (delta: -3.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 73.04 ms. Allocated memory is still 41.4 MB. Free memory was 19.3 MB in the beginning and 16.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 68.56 ms. Allocated memory is still 41.4 MB. Free memory was 16.0 MB in the beginning and 13.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 832.91 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 13.6 MB in the beginning and 10.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1954.12 ms. Allocated memory was 45.6 MB in the beginning and 56.6 MB in the end (delta: 11.0 MB). Free memory was 28.3 MB in the beginning and 34.3 MB in the end (delta: -6.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.3 GB. * Witness Printer took 155.87 ms. Allocated memory is still 56.6 MB. Free memory was 34.3 MB in the beginning and 25.7 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 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: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - 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: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 74 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 306 SDtfs, 468 SDslu, 297 SDs, 0 SdLazy, 63 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=92occurred 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, 32 LocationsWithAnnotation, 32 PreInvPairs, 118 NumberOfFragments, 182 HoareAnnotationTreeSize, 32 FomulaSimplifications, 4158 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 32 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4057 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...