./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product06.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_product06.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 0b82b0f998a9d26b358f90a637412c0e37109780 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:42:09,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:42:09,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:42:09,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:42:09,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:42:09,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:42:09,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:42:09,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:42:09,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:42:09,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:42:09,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:42:09,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:42:09,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:42:09,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:42:09,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:42:09,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:42:09,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:42:09,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:42:09,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:42:09,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:42:09,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:42:09,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:42:09,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:42:09,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:42:09,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:42:09,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:42:09,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:42:09,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:42:09,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:42:09,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:42:09,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:42:09,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:42:09,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:42:09,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:42:09,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:42:09,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:42:09,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:42:09,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:42:09,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:42:09,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:42:09,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:42:09,209 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:42:09,231 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:42:09,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:42:09,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:42:09,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:42:09,233 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:42:09,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:42:09,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:42:09,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:42:09,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:42:09,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:42:09,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:42:09,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:42:09,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:42:09,236 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:42:09,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:42:09,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:42:09,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:42:09,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:42:09,237 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:42:09,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:42:09,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:42:09,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:42:09,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:42:09,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:42:09,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:42:09,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:42:09,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:42:09,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:42:09,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:42:09,240 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 -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2020-10-20 01:42:09,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:42:09,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:42:09,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:42:09,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:42:09,491 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:42:09,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-10-20 01:42:09,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b3fa027/92346db95e1743b784b34542c5cbb967/FLAG7f9daaed1 [2020-10-20 01:42:10,162 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:42:10,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-10-20 01:42:10,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b3fa027/92346db95e1743b784b34542c5cbb967/FLAG7f9daaed1 [2020-10-20 01:42:10,398 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b3fa027/92346db95e1743b784b34542c5cbb967 [2020-10-20 01:42:10,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:42:10,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:42:10,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:10,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:42:10,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:42:10,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:10" (1/1) ... [2020-10-20 01:42:10,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@291c52a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:10, skipping insertion in model container [2020-10-20 01:42:10,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:42:10" (1/1) ... [2020-10-20 01:42:10,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:42:10,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:42:10,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:10,907 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:42:10,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:42:11,031 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:42:11,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11 WrapperNode [2020-10-20 01:42:11,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:42:11,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:11,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:42:11,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:42:11,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:42:11,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:42:11,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:42:11,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:42:11,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (1/1) ... [2020-10-20 01:42:11,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:42:11,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:42:11,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:42:11,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:42:11,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (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 01:42:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 01:42:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 01:42:11,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:42:11,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:42:12,048 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:42:12,048 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-10-20 01:42:12,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:12 BoogieIcfgContainer [2020-10-20 01:42:12,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:42:12,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:42:12,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:42:12,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:42:12,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:42:10" (1/3) ... [2020-10-20 01:42:12,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2479eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:12, skipping insertion in model container [2020-10-20 01:42:12,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:42:11" (2/3) ... [2020-10-20 01:42:12,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2479eaf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:42:12, skipping insertion in model container [2020-10-20 01:42:12,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:12" (3/3) ... [2020-10-20 01:42:12,059 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-10-20 01:42:12,070 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:42:12,078 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-20 01:42:12,092 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-20 01:42:12,117 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:42:12,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:42:12,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:42:12,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:42:12,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:42:12,118 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:42:12,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:42:12,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:42:12,137 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states. [2020-10-20 01:42:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 01:42:12,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:12,145 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 01:42:12,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:12,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:12,150 INFO L82 PathProgramCache]: Analyzing trace with hash 15872932, now seen corresponding path program 1 times [2020-10-20 01:42:12,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:12,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703988143] [2020-10-20 01:42:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:12,420 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 01:42:12,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703988143] [2020-10-20 01:42:12,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:12,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 01:42:12,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27724704] [2020-10-20 01:42:12,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 01:42:12,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:12,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 01:42:12,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 01:42:12,443 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 2 states. [2020-10-20 01:42:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:12,502 INFO L93 Difference]: Finished difference Result 142 states and 213 transitions. [2020-10-20 01:42:12,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 01:42:12,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-20 01:42:12,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:12,513 INFO L225 Difference]: With dead ends: 142 [2020-10-20 01:42:12,514 INFO L226 Difference]: Without dead ends: 69 [2020-10-20 01:42:12,518 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 01:42:12,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-20 01:42:12,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-20 01:42:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-20 01:42:12,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2020-10-20 01:42:12,560 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 97 transitions. Word has length 18 [2020-10-20 01:42:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:12,560 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 97 transitions. [2020-10-20 01:42:12,560 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 01:42:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2020-10-20 01:42:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-20 01:42:12,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:12,562 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 01:42:12,562 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 01:42:12,562 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:12,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash -202963037, now seen corresponding path program 1 times [2020-10-20 01:42:12,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:12,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725831536] [2020-10-20 01:42:12,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:12,667 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 01:42:12,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725831536] [2020-10-20 01:42:12,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:12,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 01:42:12,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055907568] [2020-10-20 01:42:12,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 01:42:12,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:12,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 01:42:12,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 01:42:12,671 INFO L87 Difference]: Start difference. First operand 69 states and 97 transitions. Second operand 3 states. [2020-10-20 01:42:12,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:12,682 INFO L93 Difference]: Finished difference Result 69 states and 97 transitions. [2020-10-20 01:42:12,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 01:42:12,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-20 01:42:12,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:12,683 INFO L225 Difference]: With dead ends: 69 [2020-10-20 01:42:12,683 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:42:12,685 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 01:42:12,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:42:12,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:42:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:42:12,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2020-10-20 01:42:12,690 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 19 [2020-10-20 01:42:12,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:12,690 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2020-10-20 01:42:12,691 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 01:42:12,691 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-10-20 01:42:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-20 01:42:12,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:12,692 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 01:42:12,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 01:42:12,692 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:12,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:12,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2139510839, now seen corresponding path program 1 times [2020-10-20 01:42:12,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:12,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404742241] [2020-10-20 01:42:12,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:12,811 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 01:42:12,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404742241] [2020-10-20 01:42:12,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:12,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 01:42:12,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663488614] [2020-10-20 01:42:12,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:12,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:12,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:12,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:12,814 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 5 states. [2020-10-20 01:42:12,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:12,864 INFO L93 Difference]: Finished difference Result 59 states and 85 transitions. [2020-10-20 01:42:12,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:12,865 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-10-20 01:42:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:12,866 INFO L225 Difference]: With dead ends: 59 [2020-10-20 01:42:12,866 INFO L226 Difference]: Without dead ends: 33 [2020-10-20 01:42:12,870 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-20 01:42:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-20 01:42:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-20 01:42:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-20 01:42:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2020-10-20 01:42:12,876 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 24 [2020-10-20 01:42:12,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:12,877 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2020-10-20 01:42:12,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-10-20 01:42:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-20 01:42:12,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:12,878 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 01:42:12,878 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 01:42:12,878 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:12,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:12,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1832014585, now seen corresponding path program 1 times [2020-10-20 01:42:12,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:12,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202907115] [2020-10-20 01:42:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:12,955 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 01:42:12,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202907115] [2020-10-20 01:42:12,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:12,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:12,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038776670] [2020-10-20 01:42:12,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:12,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:12,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:12,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:12,957 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2020-10-20 01:42:13,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:13,102 INFO L93 Difference]: Finished difference Result 135 states and 200 transitions. [2020-10-20 01:42:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-20 01:42:13,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-10-20 01:42:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:13,104 INFO L225 Difference]: With dead ends: 135 [2020-10-20 01:42:13,104 INFO L226 Difference]: Without dead ends: 109 [2020-10-20 01:42:13,105 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 01:42:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-20 01:42:13,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 54. [2020-10-20 01:42:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-20 01:42:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 75 transitions. [2020-10-20 01:42:13,117 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 75 transitions. Word has length 25 [2020-10-20 01:42:13,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:13,117 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-10-20 01:42:13,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 75 transitions. [2020-10-20 01:42:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-20 01:42:13,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 01:42:13,119 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 01:42:13,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 01:42:13,120 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 01:42:13,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 01:42:13,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1937784689, now seen corresponding path program 1 times [2020-10-20 01:42:13,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 01:42:13,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181163002] [2020-10-20 01:42:13,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 01:42:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 01:42:13,208 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 01:42:13,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181163002] [2020-10-20 01:42:13,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 01:42:13,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-20 01:42:13,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295329203] [2020-10-20 01:42:13,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-20 01:42:13,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 01:42:13,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-20 01:42:13,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-20 01:42:13,211 INFO L87 Difference]: Start difference. First operand 54 states and 75 transitions. Second operand 5 states. [2020-10-20 01:42:13,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 01:42:13,294 INFO L93 Difference]: Finished difference Result 146 states and 212 transitions. [2020-10-20 01:42:13,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 01:42:13,295 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-10-20 01:42:13,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 01:42:13,295 INFO L225 Difference]: With dead ends: 146 [2020-10-20 01:42:13,295 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 01:42:13,297 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 01:42:13,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 01:42:13,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 01:42:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 01:42:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 01:42:13,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-10-20 01:42:13,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 01:42:13,298 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 01:42:13,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-20 01:42:13,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 01:42:13,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:42:13,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 01:42:13,302 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 01:42:13,562 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,562 INFO L274 CegarLoopResult]: For program point L812(lines 812 816) no Hoare annotation was computed. [2020-10-20 01:42:13,562 INFO L274 CegarLoopResult]: For program point L812-1(lines 167 173) no Hoare annotation was computed. [2020-10-20 01:42:13,562 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,562 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,563 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,563 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:42:13,563 INFO L274 CegarLoopResult]: For program point L400(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:13,564 INFO L270 CegarLoopResult]: At program point L400-1(lines 1 892) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,564 INFO L274 CegarLoopResult]: For program point L400-2(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:13,564 INFO L270 CegarLoopResult]: At program point L400-3(lines 1 892) the Hoare annotation is: false [2020-10-20 01:42:13,564 INFO L274 CegarLoopResult]: For program point L400-4(lines 400 417) no Hoare annotation was computed. [2020-10-20 01:42:13,564 INFO L270 CegarLoopResult]: At program point L400-5(lines 1 892) the Hoare annotation is: false [2020-10-20 01:42:13,565 INFO L270 CegarLoopResult]: At program point L252(lines 247 255) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,565 INFO L270 CegarLoopResult]: At program point L252-1(lines 247 255) the Hoare annotation is: false [2020-10-20 01:42:13,565 INFO L270 CegarLoopResult]: At program point L252-2(lines 247 255) the Hoare annotation is: false [2020-10-20 01:42:13,565 INFO L274 CegarLoopResult]: For program point L880(lines 880 887) no Hoare annotation was computed. [2020-10-20 01:42:13,565 INFO L277 CegarLoopResult]: At program point L880-1(lines 880 887) the Hoare annotation is: true [2020-10-20 01:42:13,565 INFO L274 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-10-20 01:42:13,565 INFO L274 CegarLoopResult]: For program point L203-1(lines 203 211) no Hoare annotation was computed. [2020-10-20 01:42:13,566 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-10-20 01:42:13,566 INFO L274 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2020-10-20 01:42:13,566 INFO L270 CegarLoopResult]: At program point L105-1(lines 105 111) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,567 INFO L274 CegarLoopResult]: For program point L320(lines 320 324) no Hoare annotation was computed. [2020-10-20 01:42:13,567 INFO L274 CegarLoopResult]: For program point L404(lines 404 414) no Hoare annotation was computed. [2020-10-20 01:42:13,567 INFO L274 CegarLoopResult]: For program point L404-2(lines 404 414) no Hoare annotation was computed. [2020-10-20 01:42:13,567 INFO L274 CegarLoopResult]: For program point L404-4(lines 404 414) no Hoare annotation was computed. [2020-10-20 01:42:13,567 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:42:13,568 INFO L274 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-10-20 01:42:13,568 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 411) no Hoare annotation was computed. [2020-10-20 01:42:13,568 INFO L274 CegarLoopResult]: For program point L405-4(lines 405 411) no Hoare annotation was computed. [2020-10-20 01:42:13,568 INFO L270 CegarLoopResult]: At program point L174(lines 174 180) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,569 INFO L270 CegarLoopResult]: At program point L174-1(lines 174 180) the Hoare annotation is: false [2020-10-20 01:42:13,569 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 180) the Hoare annotation is: false [2020-10-20 01:42:13,569 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 01:42:13,570 INFO L270 CegarLoopResult]: At program point L389(lines 384 391) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,570 INFO L274 CegarLoopResult]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-10-20 01:42:13,570 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,570 INFO L274 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-10-20 01:42:13,570 INFO L274 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2020-10-20 01:42:13,571 INFO L270 CegarLoopResult]: At program point L143(lines 94 144) the Hoare annotation is: false [2020-10-20 01:42:13,571 INFO L274 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2020-10-20 01:42:13,571 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:42:13,571 INFO L270 CegarLoopResult]: At program point L243(lines 236 246) the Hoare annotation is: false [2020-10-20 01:42:13,572 INFO L270 CegarLoopResult]: At program point L243-1(lines 236 246) the Hoare annotation is: false [2020-10-20 01:42:13,572 INFO L270 CegarLoopResult]: At program point L243-2(lines 236 246) the Hoare annotation is: false [2020-10-20 01:42:13,572 INFO L274 CegarLoopResult]: For program point L96(lines 95 142) no Hoare annotation was computed. [2020-10-20 01:42:13,572 INFO L277 CegarLoopResult]: At program point L889(lines 870 892) the Hoare annotation is: true [2020-10-20 01:42:13,573 INFO L270 CegarLoopResult]: At program point L856(lines 852 858) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,573 INFO L274 CegarLoopResult]: For program point L97(lines 97 101) no Hoare annotation was computed. [2020-10-20 01:42:13,573 INFO L270 CegarLoopResult]: At program point L345(lines 340 348) the Hoare annotation is: false [2020-10-20 01:42:13,573 INFO L270 CegarLoopResult]: At program point L345-1(lines 340 348) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,574 INFO L270 CegarLoopResult]: At program point L345-2(lines 340 348) the Hoare annotation is: false [2020-10-20 01:42:13,574 INFO L270 CegarLoopResult]: At program point L345-3(lines 340 348) the Hoare annotation is: false [2020-10-20 01:42:13,574 INFO L270 CegarLoopResult]: At program point L345-4(lines 340 348) the Hoare annotation is: false [2020-10-20 01:42:13,574 INFO L270 CegarLoopResult]: At program point L345-5(lines 340 348) the Hoare annotation is: false [2020-10-20 01:42:13,574 INFO L270 CegarLoopResult]: At program point L808-2(lines 808 822) the Hoare annotation is: false [2020-10-20 01:42:13,575 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:42:13,575 INFO L274 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-10-20 01:42:13,575 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 01:42:13,575 INFO L274 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-10-20 01:42:13,576 INFO L274 CegarLoopResult]: For program point L792-2(line 792) no Hoare annotation was computed. [2020-10-20 01:42:13,576 INFO L274 CegarLoopResult]: For program point L115(lines 115 121) no Hoare annotation was computed. [2020-10-20 01:42:13,576 INFO L270 CegarLoopResult]: At program point L115-1(lines 115 121) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,576 INFO L274 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-20 01:42:13,576 INFO L274 CegarLoopResult]: For program point L199(lines 199 216) no Hoare annotation was computed. [2020-10-20 01:42:13,577 INFO L274 CegarLoopResult]: For program point L199-1(lines 199 216) no Hoare annotation was computed. [2020-10-20 01:42:13,577 INFO L274 CegarLoopResult]: For program point L133(lines 133 137) no Hoare annotation was computed. [2020-10-20 01:42:13,577 INFO L274 CegarLoopResult]: For program point L199-2(lines 199 216) no Hoare annotation was computed. [2020-10-20 01:42:13,577 INFO L270 CegarLoopResult]: At program point L67(lines 1 892) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-10-20 01:42:13,578 INFO L270 CegarLoopResult]: At program point L133-2(lines 167 173) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,578 INFO L274 CegarLoopResult]: For program point L332(lines 332 336) no Hoare annotation was computed. [2020-10-20 01:42:13,578 INFO L270 CegarLoopResult]: At program point L167(lines 166 185) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-20 01:42:13,578 INFO L274 CegarLoopResult]: For program point L167-1(lines 167 173) no Hoare annotation was computed. [2020-10-20 01:42:13,579 INFO L270 CegarLoopResult]: At program point L167-2(lines 166 185) the Hoare annotation is: false [2020-10-20 01:42:13,579 INFO L270 CegarLoopResult]: At program point L167-3(lines 166 185) the Hoare annotation is: false [2020-10-20 01:42:13,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:42:13 BoogieIcfgContainer [2020-10-20 01:42:13,602 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:42:13,602 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:42:13,602 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:42:13,603 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:42:13,603 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:42:12" (3/4) ... [2020-10-20 01:42:13,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:42:13,624 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-20 01:42:13,625 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-20 01:42:13,626 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-20 01:42:13,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-20 01:42:13,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:42:13,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:13,629 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 01:42:13,660 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:13,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:13,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 [2020-10-20 01:42:13,661 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,662 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,678 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,679 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2020-10-20 01:42:13,737 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:42:13,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:42:13,740 INFO L168 Benchmark]: Toolchain (without parser) took 3336.34 ms. Allocated memory was 41.9 MB in the beginning and 57.7 MB in the end (delta: 15.7 MB). Free memory was 21.5 MB in the beginning and 32.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 27.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,740 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 32.0 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.17 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.7 MB in the beginning and 11.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.14 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 11.1 MB in the beginning and 26.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 849.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,742 INFO L168 Benchmark]: Boogie Preprocessor took 43.57 ms. Allocated memory is still 44.6 MB. Free memory was 26.2 MB in the beginning and 23.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,742 INFO L168 Benchmark]: RCFGBuilder took 892.31 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 23.6 MB in the beginning and 29.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,743 INFO L168 Benchmark]: TraceAbstraction took 1550.22 ms. Allocated memory was 47.7 MB in the beginning and 57.7 MB in the end (delta: 10.0 MB). Free memory was 29.5 MB in the beginning and 13.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,743 INFO L168 Benchmark]: Witness Printer took 135.41 ms. Allocated memory is still 57.7 MB. Free memory was 13.4 MB in the beginning and 32.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:42:13,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 32.0 MB. Free memory was 9.7 MB in the beginning and 9.7 MB in the end (delta: 47.5 kB). Peak memory consumption was 47.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 623.17 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.7 MB in the beginning and 11.1 MB in the end (delta: 9.7 MB). Peak memory consumption was 11.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 81.14 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 11.1 MB in the beginning and 26.2 MB in the end (delta: -15.2 MB). Peak memory consumption was 849.6 kB. Max. memory is 14.3 GB. * Boogie Preprocessor took 43.57 ms. Allocated memory is still 44.6 MB. Free memory was 26.2 MB in the beginning and 23.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 892.31 ms. Allocated memory was 44.6 MB in the beginning and 47.7 MB in the end (delta: 3.1 MB). Free memory was 23.6 MB in the beginning and 29.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 17.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1550.22 ms. Allocated memory was 47.7 MB in the beginning and 57.7 MB in the end (delta: 10.0 MB). Free memory was 29.5 MB in the beginning and 13.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 14.3 GB. * Witness Printer took 135.41 ms. Allocated memory is still 57.7 MB. Free memory was 13.4 MB in the beginning and 32.6 MB in the end (delta: -19.2 MB). Peak memory consumption was 3.7 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: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && \result == 0) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 76 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 301 SDtfs, 352 SDslu, 259 SDs, 0 SdLazy, 60 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=76occurred in iteration=0, 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 218 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1978 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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...