./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product57.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 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 23:06:44,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 23:06:44,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 23:06:44,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 23:06:44,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 23:06:44,528 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 23:06:44,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 23:06:44,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 23:06:44,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 23:06:44,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 23:06:44,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 23:06:44,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 23:06:44,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 23:06:44,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 23:06:44,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 23:06:44,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 23:06:44,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 23:06:44,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 23:06:44,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 23:06:44,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 23:06:44,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 23:06:44,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 23:06:44,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 23:06:44,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 23:06:44,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 23:06:44,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 23:06:44,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 23:06:44,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 23:06:44,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 23:06:44,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 23:06:44,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 23:06:44,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 23:06:44,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 23:06:44,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 23:06:44,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 23:06:44,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 23:06:44,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 23:06:44,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 23:06:44,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 23:06:44,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 23:06:44,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 23:06:44,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 23:06:44,633 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 23:06:44,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 23:06:44,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 23:06:44,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 23:06:44,638 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 23:06:44,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 23:06:44,639 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 23:06:44,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 23:06:44,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 23:06:44,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 23:06:44,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 23:06:44,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 23:06:44,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 23:06:44,642 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 23:06:44,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 23:06:44,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 23:06:44,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 23:06:44,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 23:06:44,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 23:06:44,643 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 23:06:44,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 23:06:44,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 23:06:44,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 23:06:44,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 23:06:44,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 23:06:44,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 23:06:44,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 23:06:44,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 23:06:44,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 23:06:44,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ad9c9f0403f0ff15bc0d5f7c809182c1025bcda [2020-10-25 23:06:45,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 23:06:45,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 23:06:45,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 23:06:45,163 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 23:06:45,164 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 23:06:45,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-10-25 23:06:45,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a93e4f7d/fe95cab3a0a34327a9b5c0f965f7ecd6/FLAG0ac411963 [2020-10-25 23:06:46,041 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 23:06:46,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2020-10-25 23:06:46,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a93e4f7d/fe95cab3a0a34327a9b5c0f965f7ecd6/FLAG0ac411963 [2020-10-25 23:06:46,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a93e4f7d/fe95cab3a0a34327a9b5c0f965f7ecd6 [2020-10-25 23:06:46,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 23:06:46,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 23:06:46,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:46,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 23:06:46,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 23:06:46,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:46" (1/1) ... [2020-10-25 23:06:46,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f36a839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:46, skipping insertion in model container [2020-10-25 23:06:46,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 11:06:46" (1/1) ... [2020-10-25 23:06:46,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 23:06:46,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 23:06:46,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:46,750 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 23:06:46,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 23:06:47,013 INFO L208 MainTranslator]: Completed translation [2020-10-25 23:06:47,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47 WrapperNode [2020-10-25 23:06:47,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 23:06:47,017 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:47,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 23:06:47,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 23:06:47,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,073 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 23:06:47,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 23:06:47,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 23:06:47,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 23:06:47,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (1/1) ... [2020-10-25 23:06:47,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 23:06:47,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 23:06:47,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 23:06:47,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 23:06:47,202 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (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 [2020-10-25 23:06:47,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 23:06:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 23:06:47,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 23:06:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 23:06:48,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 23:06:48,546 INFO L298 CfgBuilder]: Removed 204 assume(true) statements. [2020-10-25 23:06:48,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:48 BoogieIcfgContainer [2020-10-25 23:06:48,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 23:06:48,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 23:06:48,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 23:06:48,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 23:06:48,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 11:06:46" (1/3) ... [2020-10-25 23:06:48,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e1ad8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:48, skipping insertion in model container [2020-10-25 23:06:48,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 11:06:47" (2/3) ... [2020-10-25 23:06:48,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e1ad8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 11:06:48, skipping insertion in model container [2020-10-25 23:06:48,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:48" (3/3) ... [2020-10-25 23:06:48,559 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2020-10-25 23:06:48,571 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 23:06:48,577 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-10-25 23:06:48,591 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-25 23:06:48,618 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 23:06:48,618 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 23:06:48,618 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 23:06:48,618 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 23:06:48,618 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 23:06:48,618 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 23:06:48,618 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 23:06:48,619 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 23:06:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-10-25 23:06:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-25 23:06:48,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:48,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:48,646 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:48,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:48,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1974105627, now seen corresponding path program 1 times [2020-10-25 23:06:48,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:48,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028786067] [2020-10-25 23:06:48,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:49,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:49,034 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028786067] [2020-10-25 23:06:49,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:49,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:49,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136822559] [2020-10-25 23:06:49,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 23:06:49,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:49,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 23:06:49,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 23:06:49,067 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-10-25 23:06:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:49,148 INFO L93 Difference]: Finished difference Result 279 states and 416 transitions. [2020-10-25 23:06:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 23:06:49,151 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-10-25 23:06:49,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:49,171 INFO L225 Difference]: With dead ends: 279 [2020-10-25 23:06:49,172 INFO L226 Difference]: Without dead ends: 137 [2020-10-25 23:06:49,190 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 [2020-10-25 23:06:49,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-10-25 23:06:49,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-10-25 23:06:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-25 23:06:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 198 transitions. [2020-10-25 23:06:49,281 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 198 transitions. Word has length 18 [2020-10-25 23:06:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:49,282 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 198 transitions. [2020-10-25 23:06:49,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 23:06:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2020-10-25 23:06:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-25 23:06:49,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:49,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:49,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 23:06:49,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:49,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:49,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1063074874, now seen corresponding path program 1 times [2020-10-25 23:06:49,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:49,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354250876] [2020-10-25 23:06:49,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:49,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354250876] [2020-10-25 23:06:49,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:49,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:49,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466175386] [2020-10-25 23:06:49,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:49,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:49,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:49,490 INFO L87 Difference]: Start difference. First operand 137 states and 198 transitions. Second operand 3 states. [2020-10-25 23:06:49,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:49,513 INFO L93 Difference]: Finished difference Result 137 states and 198 transitions. [2020-10-25 23:06:49,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:49,514 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-25 23:06:49,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:49,516 INFO L225 Difference]: With dead ends: 137 [2020-10-25 23:06:49,517 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:06:49,519 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 [2020-10-25 23:06:49,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:06:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:06:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:06:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-10-25 23:06:49,528 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 19 [2020-10-25 23:06:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:49,528 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-10-25 23:06:49,529 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-10-25 23:06:49,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-25 23:06:49,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:49,532 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] [2020-10-25 23:06:49,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 23:06:49,532 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:49,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:49,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1573067069, now seen corresponding path program 1 times [2020-10-25 23:06:49,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:49,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461894586] [2020-10-25 23:06:49,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:49,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461894586] [2020-10-25 23:06:49,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:49,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:49,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276792446] [2020-10-25 23:06:49,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:49,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:49,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:49,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:49,647 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-10-25 23:06:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:49,893 INFO L93 Difference]: Finished difference Result 104 states and 152 transitions. [2020-10-25 23:06:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:06:49,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-10-25 23:06:49,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:49,895 INFO L225 Difference]: With dead ends: 104 [2020-10-25 23:06:49,895 INFO L226 Difference]: Without dead ends: 55 [2020-10-25 23:06:49,896 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:49,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-25 23:06:49,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-25 23:06:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-25 23:06:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2020-10-25 23:06:49,903 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 24 [2020-10-25 23:06:49,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:49,903 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2020-10-25 23:06:49,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2020-10-25 23:06:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-25 23:06:49,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:49,905 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] [2020-10-25 23:06:49,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-25 23:06:49,905 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:49,906 INFO L82 PathProgramCache]: Analyzing trace with hash -630835270, now seen corresponding path program 1 times [2020-10-25 23:06:49,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:49,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862283882] [2020-10-25 23:06:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:49,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862283882] [2020-10-25 23:06:49,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:49,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 23:06:49,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958660045] [2020-10-25 23:06:49,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-25 23:06:49,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:49,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-25 23:06:49,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:49,973 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2020-10-25 23:06:50,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:50,034 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2020-10-25 23:06:50,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-25 23:06:50,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-25 23:06:50,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:50,036 INFO L225 Difference]: With dead ends: 127 [2020-10-25 23:06:50,036 INFO L226 Difference]: Without dead ends: 78 [2020-10-25 23:06:50,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-25 23:06:50,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-25 23:06:50,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2020-10-25 23:06:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-25 23:06:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 107 transitions. [2020-10-25 23:06:50,046 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 107 transitions. Word has length 26 [2020-10-25 23:06:50,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:50,047 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 107 transitions. [2020-10-25 23:06:50,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-25 23:06:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2020-10-25 23:06:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-25 23:06:50,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:50,048 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, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:50,049 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-25 23:06:50,049 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:50,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:50,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1446451218, now seen corresponding path program 1 times [2020-10-25 23:06:50,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:50,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943820251] [2020-10-25 23:06:50,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:50,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943820251] [2020-10-25 23:06:50,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:50,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:50,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704085578] [2020-10-25 23:06:50,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:50,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:50,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:50,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:50,148 INFO L87 Difference]: Start difference. First operand 76 states and 107 transitions. Second operand 5 states. [2020-10-25 23:06:50,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:50,357 INFO L93 Difference]: Finished difference Result 381 states and 553 transitions. [2020-10-25 23:06:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:50,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-25 23:06:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:50,360 INFO L225 Difference]: With dead ends: 381 [2020-10-25 23:06:50,361 INFO L226 Difference]: Without dead ends: 311 [2020-10-25 23:06:50,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:50,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-10-25 23:06:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 123. [2020-10-25 23:06:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-25 23:06:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 170 transitions. [2020-10-25 23:06:50,401 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 170 transitions. Word has length 32 [2020-10-25 23:06:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:50,402 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 170 transitions. [2020-10-25 23:06:50,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 170 transitions. [2020-10-25 23:06:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:06:50,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:50,410 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:50,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-25 23:06:50,410 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:50,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:50,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1777469548, now seen corresponding path program 1 times [2020-10-25 23:06:50,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:50,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268567065] [2020-10-25 23:06:50,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:50,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:50,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268567065] [2020-10-25 23:06:50,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:50,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-25 23:06:50,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061105722] [2020-10-25 23:06:50,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:50,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:50,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:50,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:50,550 INFO L87 Difference]: Start difference. First operand 123 states and 170 transitions. Second operand 4 states. [2020-10-25 23:06:50,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:50,716 INFO L93 Difference]: Finished difference Result 254 states and 358 transitions. [2020-10-25 23:06:50,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:06:50,717 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-25 23:06:50,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:50,719 INFO L225 Difference]: With dead ends: 254 [2020-10-25 23:06:50,719 INFO L226 Difference]: Without dead ends: 184 [2020-10-25 23:06:50,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:50,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-25 23:06:50,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 181. [2020-10-25 23:06:50,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-25 23:06:50,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 251 transitions. [2020-10-25 23:06:50,740 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 251 transitions. Word has length 33 [2020-10-25 23:06:50,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:50,740 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 251 transitions. [2020-10-25 23:06:50,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:50,741 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 251 transitions. [2020-10-25 23:06:50,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:06:50,742 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:50,742 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:50,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-25 23:06:50,743 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:50,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:50,743 INFO L82 PathProgramCache]: Analyzing trace with hash 766352298, now seen corresponding path program 1 times [2020-10-25 23:06:50,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:50,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388639864] [2020-10-25 23:06:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:50,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388639864] [2020-10-25 23:06:50,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:50,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:50,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900389718] [2020-10-25 23:06:50,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:50,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:50,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:50,823 INFO L87 Difference]: Start difference. First operand 181 states and 251 transitions. Second operand 4 states. [2020-10-25 23:06:50,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:50,912 INFO L93 Difference]: Finished difference Result 505 states and 712 transitions. [2020-10-25 23:06:50,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:06:50,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-25 23:06:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:50,915 INFO L225 Difference]: With dead ends: 505 [2020-10-25 23:06:50,916 INFO L226 Difference]: Without dead ends: 376 [2020-10-25 23:06:50,916 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2020-10-25 23:06:50,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 181. [2020-10-25 23:06:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-25 23:06:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 249 transitions. [2020-10-25 23:06:50,937 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 249 transitions. Word has length 33 [2020-10-25 23:06:50,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:50,937 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 249 transitions. [2020-10-25 23:06:50,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:50,938 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 249 transitions. [2020-10-25 23:06:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-25 23:06:50,939 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:50,939 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, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:50,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-25 23:06:50,939 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:50,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:50,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1024517736, now seen corresponding path program 1 times [2020-10-25 23:06:50,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:50,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218067419] [2020-10-25 23:06:50,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:51,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218067419] [2020-10-25 23:06:51,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:51,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:06:51,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818660060] [2020-10-25 23:06:51,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:06:51,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:51,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:06:51,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:06:51,031 INFO L87 Difference]: Start difference. First operand 181 states and 249 transitions. Second operand 7 states. [2020-10-25 23:06:51,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:51,377 INFO L93 Difference]: Finished difference Result 634 states and 889 transitions. [2020-10-25 23:06:51,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-25 23:06:51,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-10-25 23:06:51,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:51,382 INFO L225 Difference]: With dead ends: 634 [2020-10-25 23:06:51,382 INFO L226 Difference]: Without dead ends: 459 [2020-10-25 23:06:51,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-25 23:06:51,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2020-10-25 23:06:51,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 190. [2020-10-25 23:06:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-10-25 23:06:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 256 transitions. [2020-10-25 23:06:51,409 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 256 transitions. Word has length 33 [2020-10-25 23:06:51,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:51,410 INFO L481 AbstractCegarLoop]: Abstraction has 190 states and 256 transitions. [2020-10-25 23:06:51,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:06:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 256 transitions. [2020-10-25 23:06:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:06:51,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:51,416 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:51,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-25 23:06:51,417 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:51,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:51,418 INFO L82 PathProgramCache]: Analyzing trace with hash 416532263, now seen corresponding path program 1 times [2020-10-25 23:06:51,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:51,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598412539] [2020-10-25 23:06:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:51,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598412539] [2020-10-25 23:06:51,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:51,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:51,527 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235783737] [2020-10-25 23:06:51,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-25 23:06:51,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:51,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-25 23:06:51,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-25 23:06:51,530 INFO L87 Difference]: Start difference. First operand 190 states and 256 transitions. Second operand 6 states. [2020-10-25 23:06:51,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:51,902 INFO L93 Difference]: Finished difference Result 1391 states and 1856 transitions. [2020-10-25 23:06:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-25 23:06:51,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-25 23:06:51,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:51,910 INFO L225 Difference]: With dead ends: 1391 [2020-10-25 23:06:51,911 INFO L226 Difference]: Without dead ends: 1207 [2020-10-25 23:06:51,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:06:51,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-10-25 23:06:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 360. [2020-10-25 23:06:51,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2020-10-25 23:06:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2020-10-25 23:06:51,985 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 36 [2020-10-25 23:06:51,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:51,987 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2020-10-25 23:06:51,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-25 23:06:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2020-10-25 23:06:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-25 23:06:51,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:51,991 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:51,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-25 23:06:51,998 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:51,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:51,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1096590633, now seen corresponding path program 1 times [2020-10-25 23:06:51,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:51,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975895171] [2020-10-25 23:06:51,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:52,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975895171] [2020-10-25 23:06:52,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:52,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-25 23:06:52,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395752684] [2020-10-25 23:06:52,077 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:06:52,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:52,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:06:52,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:06:52,079 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand 7 states. [2020-10-25 23:06:52,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:52,455 INFO L93 Difference]: Finished difference Result 1050 states and 1414 transitions. [2020-10-25 23:06:52,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:06:52,456 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2020-10-25 23:06:52,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:52,460 INFO L225 Difference]: With dead ends: 1050 [2020-10-25 23:06:52,460 INFO L226 Difference]: Without dead ends: 696 [2020-10-25 23:06:52,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-25 23:06:52,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2020-10-25 23:06:52,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 306. [2020-10-25 23:06:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-25 23:06:52,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 395 transitions. [2020-10-25 23:06:52,504 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 395 transitions. Word has length 36 [2020-10-25 23:06:52,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:52,505 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 395 transitions. [2020-10-25 23:06:52,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:06:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 395 transitions. [2020-10-25 23:06:52,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-25 23:06:52,506 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:52,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:52,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-25 23:06:52,507 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:52,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:52,507 INFO L82 PathProgramCache]: Analyzing trace with hash 361452525, now seen corresponding path program 1 times [2020-10-25 23:06:52,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:52,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235022923] [2020-10-25 23:06:52,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:52,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:52,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235022923] [2020-10-25 23:06:52,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:52,564 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:52,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090814201] [2020-10-25 23:06:52,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:52,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:52,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:52,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:52,565 INFO L87 Difference]: Start difference. First operand 306 states and 395 transitions. Second operand 5 states. [2020-10-25 23:06:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:52,792 INFO L93 Difference]: Finished difference Result 745 states and 956 transitions. [2020-10-25 23:06:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:52,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-25 23:06:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:52,796 INFO L225 Difference]: With dead ends: 745 [2020-10-25 23:06:52,796 INFO L226 Difference]: Without dead ends: 445 [2020-10-25 23:06:52,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:52,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-25 23:06:52,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 286. [2020-10-25 23:06:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-25 23:06:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 358 transitions. [2020-10-25 23:06:52,839 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 358 transitions. Word has length 37 [2020-10-25 23:06:52,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:52,839 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 358 transitions. [2020-10-25 23:06:52,839 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 358 transitions. [2020-10-25 23:06:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-25 23:06:52,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:52,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:52,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-25 23:06:52,841 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:52,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:52,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1002384948, now seen corresponding path program 1 times [2020-10-25 23:06:52,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:52,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792333187] [2020-10-25 23:06:52,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:06:52,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792333187] [2020-10-25 23:06:52,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:52,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:52,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356626449] [2020-10-25 23:06:52,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:52,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:52,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:52,901 INFO L87 Difference]: Start difference. First operand 286 states and 358 transitions. Second operand 5 states. [2020-10-25 23:06:52,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:52,991 INFO L93 Difference]: Finished difference Result 661 states and 831 transitions. [2020-10-25 23:06:52,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-25 23:06:52,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-10-25 23:06:52,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:52,994 INFO L225 Difference]: With dead ends: 661 [2020-10-25 23:06:52,994 INFO L226 Difference]: Without dead ends: 381 [2020-10-25 23:06:52,995 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 [2020-10-25 23:06:52,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-10-25 23:06:53,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 286. [2020-10-25 23:06:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-25 23:06:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 354 transitions. [2020-10-25 23:06:53,044 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 354 transitions. Word has length 55 [2020-10-25 23:06:53,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:53,044 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 354 transitions. [2020-10-25 23:06:53,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:53,044 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 354 transitions. [2020-10-25 23:06:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-25 23:06:53,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:53,046 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:53,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-25 23:06:53,046 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:53,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:53,047 INFO L82 PathProgramCache]: Analyzing trace with hash 158379446, now seen corresponding path program 1 times [2020-10-25 23:06:53,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:53,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717059830] [2020-10-25 23:06:53,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-25 23:06:53,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717059830] [2020-10-25 23:06:53,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:53,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:53,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285143992] [2020-10-25 23:06:53,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-25 23:06:53,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:53,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-25 23:06:53,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-25 23:06:53,095 INFO L87 Difference]: Start difference. First operand 286 states and 354 transitions. Second operand 4 states. [2020-10-25 23:06:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:53,154 INFO L93 Difference]: Finished difference Result 608 states and 763 transitions. [2020-10-25 23:06:53,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-25 23:06:53,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-25 23:06:53,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:53,157 INFO L225 Difference]: With dead ends: 608 [2020-10-25 23:06:53,157 INFO L226 Difference]: Without dead ends: 328 [2020-10-25 23:06:53,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-25 23:06:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 244. [2020-10-25 23:06:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-25 23:06:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 303 transitions. [2020-10-25 23:06:53,189 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 303 transitions. Word has length 55 [2020-10-25 23:06:53,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:53,189 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 303 transitions. [2020-10-25 23:06:53,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-25 23:06:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 303 transitions. [2020-10-25 23:06:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-25 23:06:53,191 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:53,191 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:53,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-25 23:06:53,192 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:53,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:53,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1927838086, now seen corresponding path program 1 times [2020-10-25 23:06:53,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:53,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119670352] [2020-10-25 23:06:53,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:53,251 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 23:06:53,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119670352] [2020-10-25 23:06:53,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:53,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-25 23:06:53,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6863141] [2020-10-25 23:06:53,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:53,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:53,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:53,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:53,254 INFO L87 Difference]: Start difference. First operand 244 states and 303 transitions. Second operand 5 states. [2020-10-25 23:06:53,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:53,379 INFO L93 Difference]: Finished difference Result 622 states and 772 transitions. [2020-10-25 23:06:53,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-25 23:06:53,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-10-25 23:06:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:53,382 INFO L225 Difference]: With dead ends: 622 [2020-10-25 23:06:53,382 INFO L226 Difference]: Without dead ends: 384 [2020-10-25 23:06:53,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-25 23:06:53,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-25 23:06:53,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 244. [2020-10-25 23:06:53,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-25 23:06:53,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 299 transitions. [2020-10-25 23:06:53,418 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 299 transitions. Word has length 56 [2020-10-25 23:06:53,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:53,419 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 299 transitions. [2020-10-25 23:06:53,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:53,419 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 299 transitions. [2020-10-25 23:06:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:06:53,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:53,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:53,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-25 23:06:53,421 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:53,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:53,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1733862597, now seen corresponding path program 1 times [2020-10-25 23:06:53,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:53,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008802666] [2020-10-25 23:06:53,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-25 23:06:53,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008802666] [2020-10-25 23:06:53,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 23:06:53,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-25 23:06:53,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169797274] [2020-10-25 23:06:53,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-25 23:06:53,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:53,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-25 23:06:53,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-25 23:06:53,508 INFO L87 Difference]: Start difference. First operand 244 states and 299 transitions. Second operand 5 states. [2020-10-25 23:06:53,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:53,603 INFO L93 Difference]: Finished difference Result 514 states and 643 transitions. [2020-10-25 23:06:53,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-25 23:06:53,604 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-10-25 23:06:53,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:53,606 INFO L225 Difference]: With dead ends: 514 [2020-10-25 23:06:53,606 INFO L226 Difference]: Without dead ends: 326 [2020-10-25 23:06:53,609 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 [2020-10-25 23:06:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2020-10-25 23:06:53,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 250. [2020-10-25 23:06:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-25 23:06:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 305 transitions. [2020-10-25 23:06:53,651 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 305 transitions. Word has length 58 [2020-10-25 23:06:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:53,651 INFO L481 AbstractCegarLoop]: Abstraction has 250 states and 305 transitions. [2020-10-25 23:06:53,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-25 23:06:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 305 transitions. [2020-10-25 23:06:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-25 23:06:53,653 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 23:06:53,653 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 23:06:53,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-25 23:06:53,654 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 23:06:53,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 23:06:53,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1992028035, now seen corresponding path program 1 times [2020-10-25 23:06:53,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 23:06:53,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008999813] [2020-10-25 23:06:53,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 23:06:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:53,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-25 23:06:53,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008999813] [2020-10-25 23:06:53,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482409915] [2020-10-25 23:06:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-25 23:06:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 23:06:53,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-25 23:06:53,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 23:06:54,009 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-25 23:06:54,009 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-25 23:06:54,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6 [2020-10-25 23:06:54,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600713353] [2020-10-25 23:06:54,010 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-25 23:06:54,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 23:06:54,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-25 23:06:54,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-25 23:06:54,012 INFO L87 Difference]: Start difference. First operand 250 states and 305 transitions. Second operand 7 states. [2020-10-25 23:06:54,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 23:06:54,308 INFO L93 Difference]: Finished difference Result 863 states and 1076 transitions. [2020-10-25 23:06:54,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-25 23:06:54,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-10-25 23:06:54,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 23:06:54,309 INFO L225 Difference]: With dead ends: 863 [2020-10-25 23:06:54,310 INFO L226 Difference]: Without dead ends: 0 [2020-10-25 23:06:54,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-25 23:06:54,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-25 23:06:54,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-25 23:06:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-25 23:06:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-25 23:06:54,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-10-25 23:06:54,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 23:06:54,313 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-25 23:06:54,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-25 23:06:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-25 23:06:54,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 23:06:54,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-25 23:06:54,526 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-25 23:06:54,829 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 88 [2020-10-25 23:06:55,916 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 357 DAG size of output: 288 [2020-10-25 23:06:56,169 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 163 [2020-10-25 23:06:56,369 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 123 [2020-10-25 23:06:56,796 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 224 [2020-10-25 23:06:56,927 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 99 [2020-10-25 23:06:57,187 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 136 [2020-10-25 23:06:57,774 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 205 [2020-10-25 23:06:58,352 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 235 [2020-10-25 23:06:58,784 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2020-10-25 23:07:01,597 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 278 DAG size of output: 57 [2020-10-25 23:07:02,792 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 153 DAG size of output: 74 [2020-10-25 23:07:03,492 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 46 [2020-10-25 23:07:03,594 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-10-25 23:07:05,418 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 212 DAG size of output: 77 [2020-10-25 23:07:05,758 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-10-25 23:07:06,238 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 55 [2020-10-25 23:07:07,377 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2020-10-25 23:07:07,735 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 42 [2020-10-25 23:07:08,053 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2020-10-25 23:07:09,886 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 67 [2020-10-25 23:07:10,190 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2020-10-25 23:07:11,925 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 229 DAG size of output: 37 [2020-10-25 23:07:11,931 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:11,931 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L597-1(line 597) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L597-2(line 597) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L862(lines 862 873) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L499(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,932 INFO L274 CegarLoopResult]: For program point L499-1(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,933 INFO L274 CegarLoopResult]: For program point L499-2(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,933 INFO L274 CegarLoopResult]: For program point L499-3(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,933 INFO L274 CegarLoopResult]: For program point L499-4(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,933 INFO L274 CegarLoopResult]: For program point L499-5(lines 499 505) no Hoare annotation was computed. [2020-10-25 23:07:11,933 INFO L270 CegarLoopResult]: At program point L797(lines 782 800) the Hoare annotation is: false [2020-10-25 23:07:11,933 INFO L270 CegarLoopResult]: At program point L797-1(lines 782 800) the Hoare annotation is: (let ((.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (let ((.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 1)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1)) (.cse16 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not .cse15)) (.cse17 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (<= ~waterLevel~0 2)) (.cse11 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (not .cse13))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse13 .cse3 .cse4 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse12 .cse0 .cse17 .cse13 .cse3 .cse14 .cse15 .cse6 .cse8 .cse16 .cse11) (and .cse0 .cse1 .cse17 .cse2 .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11 .cse10)))) [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L797-2(lines 782 800) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L797-3(lines 782 800) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L797-4(lines 782 800) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L797-5(lines 782 800) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L274 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L898-2(lines 898 912) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L733(lines 726 736) the Hoare annotation is: false [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L733-1(lines 726 736) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-10-25 23:07:11,934 INFO L270 CegarLoopResult]: At program point L733-2(lines 726 736) the Hoare annotation is: false [2020-10-25 23:07:11,935 INFO L270 CegarLoopResult]: At program point L733-3(lines 726 736) the Hoare annotation is: false [2020-10-25 23:07:11,935 INFO L270 CegarLoopResult]: At program point L733-4(lines 726 736) the Hoare annotation is: false [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L568(lines 568 588) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L270 CegarLoopResult]: At program point L733-5(lines 726 736) the Hoare annotation is: false [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L568-2(lines 568 588) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L568-4(lines 568 588) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L833(lines 832 877) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L274 CegarLoopResult]: For program point L834(lines 834 838) no Hoare annotation was computed. [2020-10-25 23:07:11,935 INFO L270 CegarLoopResult]: At program point L504(lines 495 508) the Hoare annotation is: false [2020-10-25 23:07:11,936 INFO L270 CegarLoopResult]: At program point L504-1(lines 495 508) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse10 .cse2 .cse5 .cse6 .cse11 .cse8) (and .cse9 .cse0 .cse2 .cse3 .cse5 .cse6 .cse11 .cse8) (and .cse0 .cse10 .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8))) [2020-10-25 23:07:11,936 INFO L270 CegarLoopResult]: At program point L504-2(lines 495 508) the Hoare annotation is: false [2020-10-25 23:07:11,936 INFO L270 CegarLoopResult]: At program point L504-3(lines 495 508) the Hoare annotation is: false [2020-10-25 23:07:11,936 INFO L270 CegarLoopResult]: At program point L504-4(lines 495 508) the Hoare annotation is: false [2020-10-25 23:07:11,936 INFO L270 CegarLoopResult]: At program point L504-5(lines 495 508) the Hoare annotation is: false [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L868-2(lines 613 619) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L902(lines 902 906) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L902-1(lines 613 619) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L671(lines 671 688) no Hoare annotation was computed. [2020-10-25 23:07:11,936 INFO L274 CegarLoopResult]: For program point L671-1(lines 671 688) no Hoare annotation was computed. [2020-10-25 23:07:11,937 INFO L274 CegarLoopResult]: For program point L671-2(lines 671 688) no Hoare annotation was computed. [2020-10-25 23:07:11,937 INFO L274 CegarLoopResult]: For program point L969(lines 969 976) no Hoare annotation was computed. [2020-10-25 23:07:11,937 INFO L277 CegarLoopResult]: At program point L969-1(lines 969 976) the Hoare annotation is: true [2020-10-25 23:07:11,937 INFO L274 CegarLoopResult]: For program point L574(lines 574 587) no Hoare annotation was computed. [2020-10-25 23:07:11,937 INFO L270 CegarLoopResult]: At program point L574-1(lines 1 981) the Hoare annotation is: (let ((.cse19 (= ~pumpRunning~0 0))) (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse12 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse20 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse4 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse22 (= 1 ~systemActive~0)) (.cse25 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse16 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse23 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse21 (<= ~waterLevel~0 1)) (.cse17 (not .cse19)) (.cse18 (= ~methaneLevelCritical~0 0)) (.cse24 (<= |ULTIMATE.start_getWaterLevel_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse15 .cse4 .cse5 .cse16 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse10 .cse12 .cse11 .cse17 .cse18 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse19 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse4 .cse17 .cse22 .cse7 .cse8 .cse23) (and .cse20 .cse21 .cse15 .cse24 .cse22 .cse18 .cse25 .cse16 .cse19 .cse7 .cse8) (and (= ~waterLevel~0 1) .cse0 .cse18 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse21 .cse9 .cse2 .cse3 .cse22 .cse19 .cse7 .cse8) (and .cse20 .cse15 .cse4 .cse22 .cse25 .cse16 .cse7 .cse8 .cse23 .cse21 .cse17 .cse18 .cse24)))) [2020-10-25 23:07:11,937 INFO L274 CegarLoopResult]: For program point L574-2(lines 574 587) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L270 CegarLoopResult]: At program point L574-3(lines 1 981) the Hoare annotation is: false [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L574-4(lines 574 587) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L270 CegarLoopResult]: At program point L574-5(lines 1 981) the Hoare annotation is: false [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L675(lines 675 683) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L675-1(lines 675 683) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708-6(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708-8(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,938 INFO L274 CegarLoopResult]: For program point L708-10(lines 708 714) no Hoare annotation was computed. [2020-10-25 23:07:11,939 INFO L270 CegarLoopResult]: At program point L742(lines 737 745) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~6 0) (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) [2020-10-25 23:07:11,939 INFO L270 CegarLoopResult]: At program point L742-1(lines 737 745) the Hoare annotation is: false [2020-10-25 23:07:11,939 INFO L270 CegarLoopResult]: At program point L742-2(lines 737 745) the Hoare annotation is: false [2020-10-25 23:07:11,939 INFO L270 CegarLoopResult]: At program point L544(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-10-25 23:07:11,939 INFO L274 CegarLoopResult]: For program point L842(lines 842 848) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L270 CegarLoopResult]: At program point L842-1(lines 842 848) the Hoare annotation is: (let ((.cse12 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse15 (= ~pumpRunning~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1))) (let ((.cse6 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (and .cse12 .cse5 (not .cse15) .cse7 .cse14 .cse8 .cse9)) (.cse4 (= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse20 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse21 (<= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~0 1)) (.cse17 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse0 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse11 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse11) (and .cse12 .cse7 .cse13 .cse14 .cse15 .cse8 .cse11 .cse9) (and .cse16 .cse13 (or (and .cse3 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) .cse10) .cse17 .cse11) (and .cse3 .cse0 .cse18 .cse1 .cse2 .cse5 .cse7 .cse8 .cse9 .cse19) (and .cse4 .cse12 .cse13 .cse7 .cse15 .cse8 .cse9) (and .cse3 .cse18 .cse16 .cse5 .cse7 .cse13 .cse20 .cse21 .cse17 .cse8 .cse9 .cse19) (and .cse12 .cse16 .cse13 .cse7 .cse20 .cse21 .cse17 .cse15 .cse8 .cse11 .cse9) (and .cse12 .cse0 .cse1 .cse2 .cse7 .cse15 .cse8 .cse11 .cse9)))) [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L578(lines 578 584) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L578-2(lines 578 584) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L446(lines 446 450) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L578-4(lines 578 584) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L810-2(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L810-3(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L645(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L810-5(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L645-1(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,940 INFO L274 CegarLoopResult]: For program point L810-6(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L645-2(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L645-3(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L810-8(lines 810 814) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L645-4(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L645-5(lines 645 662) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L270 CegarLoopResult]: At program point L613(lines 612 631) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse8 .cse2 .cse4 .cse9 .cse5 .cse10 .cse6) (and .cse8 .cse4 .cse7 .cse9 .cse5 .cse10 .cse6))) [2020-10-25 23:07:11,941 INFO L274 CegarLoopResult]: For program point L613-1(lines 613 619) no Hoare annotation was computed. [2020-10-25 23:07:11,941 INFO L270 CegarLoopResult]: At program point L613-2(lines 612 631) the Hoare annotation is: false [2020-10-25 23:07:11,941 INFO L270 CegarLoopResult]: At program point L514(lines 509 517) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-25 23:07:11,942 INFO L270 CegarLoopResult]: At program point L613-3(lines 612 631) the Hoare annotation is: false [2020-10-25 23:07:11,942 INFO L270 CegarLoopResult]: At program point L514-1(lines 509 517) the Hoare annotation is: false [2020-10-25 23:07:11,942 INFO L270 CegarLoopResult]: At program point L514-2(lines 509 517) the Hoare annotation is: false [2020-10-25 23:07:11,942 INFO L270 CegarLoopResult]: At program point L878(lines 831 879) the Hoare annotation is: false [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 23:07:11,942 INFO L277 CegarLoopResult]: At program point L978(lines 959 981) the Hoare annotation is: true [2020-10-25 23:07:11,942 INFO L270 CegarLoopResult]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~10 1) (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point L649(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point L649-1(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point L649-2(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point L649-3(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,942 INFO L274 CegarLoopResult]: For program point L649-4(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,943 INFO L274 CegarLoopResult]: For program point L649-5(lines 649 657) no Hoare annotation was computed. [2020-10-25 23:07:11,943 INFO L270 CegarLoopResult]: At program point L816(lines 801 819) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6))) [2020-10-25 23:07:11,943 INFO L270 CegarLoopResult]: At program point L816-1(lines 801 819) the Hoare annotation is: false [2020-10-25 23:07:11,943 INFO L270 CegarLoopResult]: At program point L816-2(lines 801 819) the Hoare annotation is: false [2020-10-25 23:07:11,943 INFO L270 CegarLoopResult]: At program point L552(lines 547 555) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-10-25 23:07:11,943 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 23:07:11,944 INFO L270 CegarLoopResult]: At program point L620(lines 620 626) the Hoare annotation is: (let ((.cse20 (= ~pumpRunning~0 0))) (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse8 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse4 (not .cse20)) (.cse11 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse19 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse14 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse15 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse16 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse17 (<= ~waterLevel~0 2)) (.cse18 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse10 (= ULTIMATE.start_main_~tmp~10 1)) (.cse9 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse9 .cse6 .cse7 .cse8) (and .cse10 .cse11 .cse3 .cse12 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse13 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15 .cse4 .cse16 .cse9 .cse17 .cse18) (and .cse10 .cse11 .cse19 .cse2 .cse20 .cse13 .cse6 .cse7 .cse14 .cse16 .cse15 .cse17 .cse18) (and .cse10 .cse11 .cse3 .cse19 .cse2 .cse12 .cse13 .cse6 .cse7 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse1 .cse10 .cse2 .cse5 .cse20 .cse6 .cse7) (and .cse1 .cse10 .cse9 .cse5 .cse20 .cse6 .cse7)))) [2020-10-25 23:07:11,944 INFO L270 CegarLoopResult]: At program point L620-1(lines 620 626) the Hoare annotation is: false [2020-10-25 23:07:11,944 INFO L270 CegarLoopResult]: At program point L620-2(lines 620 626) the Hoare annotation is: false [2020-10-25 23:07:11,944 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-25 23:07:11,944 INFO L274 CegarLoopResult]: For program point L422-3(lines 422 426) no Hoare annotation was computed. [2020-10-25 23:07:11,944 INFO L274 CegarLoopResult]: For program point L422-6(lines 422 426) no Hoare annotation was computed. [2020-10-25 23:07:11,944 INFO L274 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse9 (<= 2 ~waterLevel~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse13 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ULTIMATE.start_main_~tmp~10 1)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse4 .cse9 .cse6 .cse7)) .cse10) (and .cse8 .cse11 .cse5 .cse12 .cse6 .cse10 .cse7) (and .cse11 (or (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse7) (and .cse8 .cse2 .cse5 .cse9 .cse6 .cse7)) .cse10) (and .cse0 .cse11 .cse2 .cse5 .cse6 .cse10 .cse7 .cse13) (and .cse0 .cse2 .cse5 .cse4 .cse6 .cse10 .cse7 .cse13) (and .cse8 .cse5 .cse4 .cse12 .cse6 .cse10 .cse7))) [2020-10-25 23:07:11,945 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L491(lines 486 494) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 1)) (.cse1 (= ULTIMATE.start_main_~tmp~10 1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3 0)) (.cse10 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse8 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse4 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse10 .cse4 .cse3 .cse5 .cse6 .cse8 .cse9 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (and .cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse10 (<= 2 ~waterLevel~0) .cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse8 .cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (not .cse7) .cse4 (<= ~waterLevel~0 2) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0))))) [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L491-1(lines 486 494) the Hoare annotation is: false [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L491-2(lines 486 494) the Hoare annotation is: false [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L459(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,945 INFO L270 CegarLoopResult]: At program point L459-1(lines 454 462) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse9 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse10 (<= ~waterLevel~0 2)) (.cse11 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (= ~methaneLevelCritical~0 0) .cse10 .cse11))) [2020-10-25 23:07:11,946 INFO L270 CegarLoopResult]: At program point L459-2(lines 454 462) the Hoare annotation is: (let ((.cse19 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse2 (= ULTIMATE.start_activatePump_~tmp~6 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse18 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse14 (= ULTIMATE.start_main_~tmp~10 ~systemActive~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~10 1)) (.cse1 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse20 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 0))) (.cse11 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse12 (<= ~waterLevel~0 2)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse15 .cse2 .cse16 .cse17 .cse18 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse3 .cse4 .cse2 .cse16 .cse7 .cse8 .cse19) (and .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse5 .cse18 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse11 .cse10 (not .cse20) .cse17 .cse12 .cse13) (and .cse14 .cse15 .cse3 .cse4 .cse16 .cse20 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse4 .cse20 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13))) [2020-10-25 23:07:11,946 INFO L270 CegarLoopResult]: At program point L459-3(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,946 INFO L270 CegarLoopResult]: At program point L459-4(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,950 INFO L270 CegarLoopResult]: At program point L459-5(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,953 INFO L270 CegarLoopResult]: At program point L459-6(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,953 INFO L270 CegarLoopResult]: At program point L459-7(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,953 INFO L270 CegarLoopResult]: At program point L459-8(lines 454 462) the Hoare annotation is: false [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-3(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-5(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-6(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-8(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-9(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-11(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-12(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-14(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,954 INFO L274 CegarLoopResult]: For program point L791-15(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,955 INFO L274 CegarLoopResult]: For program point L791-17(lines 791 795) no Hoare annotation was computed. [2020-10-25 23:07:11,955 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 23:07:11,955 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-25 23:07:12,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 11:07:12 BoogieIcfgContainer [2020-10-25 23:07:12,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 23:07:12,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 23:07:12,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 23:07:12,016 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 23:07:12,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 11:06:48" (3/4) ... [2020-10-25 23:07:12,021 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 23:07:12,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-10-25 23:07:12,054 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-10-25 23:07:12,055 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-10-25 23:07:12,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-10-25 23:07:12,062 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 23:07:12,065 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:12,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-25 23:07:12,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-25 23:07:12,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 [2020-10-25 23:07:12,108 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) [2020-10-25 23:07:12,109 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:07:12,110 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:07:12,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:07:12,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:07:12,114 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-25 23:07:12,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:07:12,115 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) [2020-10-25 23:07:12,122 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-25 23:07:12,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) [2020-10-25 23:07:12,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) [2020-10-25 23:07:12,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) [2020-10-25 23:07:12,127 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-25 23:07:12,128 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) [2020-10-25 23:07:12,243 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 23:07:12,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 23:07:12,244 INFO L168 Benchmark]: Toolchain (without parser) took 25960.12 ms. Allocated memory was 48.2 MB in the beginning and 295.7 MB in the end (delta: 247.5 MB). Free memory was 24.2 MB in the beginning and 253.8 MB in the end (delta: -229.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,245 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 23:07:12,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 718.58 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.6 MB in the beginning and 41.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.61 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 37.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,246 INFO L168 Benchmark]: Boogie Preprocessor took 55.67 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 34.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,246 INFO L168 Benchmark]: RCFGBuilder took 1347.58 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 32.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,247 INFO L168 Benchmark]: TraceAbstraction took 23465.26 ms. Allocated memory was 62.9 MB in the beginning and 295.7 MB in the end (delta: 232.8 MB). Free memory was 32.0 MB in the beginning and 267.4 MB in the end (delta: -235.4 MB). Peak memory consumption was 174.0 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,247 INFO L168 Benchmark]: Witness Printer took 227.10 ms. Allocated memory is still 295.7 MB. Free memory was 267.4 MB in the beginning and 253.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 23:07:12,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 718.58 ms. Allocated memory was 48.2 MB in the beginning and 62.9 MB in the end (delta: 14.7 MB). Free memory was 23.6 MB in the beginning and 41.6 MB in the end (delta: -18.0 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 125.61 ms. Allocated memory is still 62.9 MB. Free memory was 41.6 MB in the beginning and 37.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.67 ms. Allocated memory is still 62.9 MB. Free memory was 37.3 MB in the beginning and 34.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1347.58 ms. Allocated memory is still 62.9 MB. Free memory was 34.4 MB in the beginning and 32.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23465.26 ms. Allocated memory was 62.9 MB in the beginning and 295.7 MB in the end (delta: 232.8 MB). Free memory was 32.0 MB in the beginning and 267.4 MB in the end (delta: -235.4 MB). Peak memory consumption was 174.0 MB. Max. memory is 16.1 GB. * Witness Printer took 227.10 ms. Allocated memory is still 295.7 MB. Free memory was 267.4 MB in the beginning and 253.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 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: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) || (((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((waterLevel <= 1 && tmp == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((tmp == 1 && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) && waterLevel <= 2) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((methaneLevelCritical == 1 && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && tmp == 0) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2)) || (((((((tmp == systemActive && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && tmp == 0)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 969]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && \result <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == systemActive && tmp == 0) && tmp == 0) && 1 == systemActive) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0) && waterLevel <= 1) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result <= 1) - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && !(tmp___0 == 0)) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp___0 == 0) && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || ((((((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && tmp___0 == 0) && 1 == systemActive) && tmp == 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1)) || (((((((((((tmp == 1 && !(\result == 0)) && methaneLevelCritical == 1) && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) && !(tmp___0 == 0)) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 782]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((tmp == 1 && \result == 1) && methaneLevelCritical == 1) && (((((((tmp == systemActive && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && waterLevel <= 2) || (((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((tmp == 0 && methaneLevelCritical == 0) && ((((((((tmp == systemActive && \result == 0) && waterLevel == 1) && tmp == 0) && !(tmp == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1))) && \result == 0) && waterLevel <= 2)) || (((((((((tmp == systemActive && tmp == 1) && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && tmp___0 <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((tmp == 1 && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && tmp___0 <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((((tmp == 1 && tmp == 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result <= 1) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((waterLevel <= 1 && tmp == 1) && tmp == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result <= 1) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && \result == systemActive) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: ((((((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || ((((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((tmp == systemActive && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && !(pumpRunning == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((tmp == systemActive && waterLevel <= 1) && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || ((((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: (((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) || (((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: (((((((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) && tmp == 0) || ((((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && !(pumpRunning == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1) && tmp == 0)) || (((((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && 2 <= waterLevel) && \result == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == 0) && !(tmp == 0)) && !(pumpRunning == 0)) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0))) || (((((((((((((tmp == 1 && !(\result == 0)) && tmp == 0) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && !(tmp == 0)) && \result == systemActive) && waterLevel <= 2) && !(tmp___0 == 0))) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((waterLevel <= 1 && tmp == 1) && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 509]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && !(\result == 0)) && \result == 1) && methaneLevelCritical == 1) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && waterLevel <= 2) && !(tmp___0 == 0)) || (((((((((((((tmp == 1 && !(\result == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && tmp == 0) && splverifierCounter == 0) && \result == 1) && \result == 0) && \result == systemActive) && !(tmp == 0)) && methaneLevelCritical == 0) && waterLevel <= 2) && !(tmp___0 == 0)) - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((((tmp == 1 && waterLevel == 1) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: ((((((((tmp == systemActive && waterLevel <= 1) && methaneLevelCritical == 1) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) && \result == 1) || ((((((tmp == systemActive && waterLevel <= 1) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1)) || ((((((tmp == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.9s, OverallIterations: 16, TraceHistogramMax: 2, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1854 SDtfs, 3165 SDslu, 3387 SDs, 0 SdLazy, 481 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 2448 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 283 NumberOfFragments, 2213 HoareAnnotationTreeSize, 57 FomulaSimplifications, 14612897 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 57 FomulaSimplificationsInter, 1086149 FormulaSimplificationTreeSizeReductionInter, 13.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 667 NumberOfCodeBlocks, 667 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 54066 SizeOfPredicates, 4 NumberOfNonLiveVariables, 459 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 78/90 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...