./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer --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 4f185c5a4952179bf0341452c73ac94d6127cab1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:30:15,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:30:15,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:30:15,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:30:15,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:30:15,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:30:15,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:30:15,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:30:15,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:30:15,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:30:15,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:30:15,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:30:15,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:30:15,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:30:15,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:30:15,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:30:15,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:30:15,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:30:15,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:30:15,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:30:15,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:30:15,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:30:15,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:30:15,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:30:15,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:30:15,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:30:15,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:30:15,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:30:15,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:30:15,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:30:15,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:30:15,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:30:15,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:30:15,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:30:15,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:30:15,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:30:15,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:30:15,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:30:15,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:30:15,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:30:15,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:30:15,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:30:15,608 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:30:15,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:30:15,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:30:15,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:30:15,611 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:30:15,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:30:15,611 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:30:15,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:30:15,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:30:15,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:30:15,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:30:15,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:30:15,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:30:15,614 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:30:15,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:30:15,614 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:30:15,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:30:15,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:30:15,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:30:15,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:30:15,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:30:15,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:30:15,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:30:15,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:30:15,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:30:15,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:30:15,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:30:15,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:30:15,618 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:30:15,618 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:/tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f185c5a4952179bf0341452c73ac94d6127cab1 [2020-11-30 00:30:15,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:30:15,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:30:15,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:30:15,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:30:15,898 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:30:15,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2020-11-30 00:30:15,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/data/a79201bd1/91b6a4b0139c43bdadfd0cc1f5e7d26e/FLAGff12a7fc2 [2020-11-30 00:30:16,464 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:30:16,464 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2020-11-30 00:30:16,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/data/a79201bd1/91b6a4b0139c43bdadfd0cc1f5e7d26e/FLAGff12a7fc2 [2020-11-30 00:30:16,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/data/a79201bd1/91b6a4b0139c43bdadfd0cc1f5e7d26e [2020-11-30 00:30:16,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:30:16,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:30:16,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:16,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:30:16,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:30:16,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:16" (1/1) ... [2020-11-30 00:30:16,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d1febcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:16, skipping insertion in model container [2020-11-30 00:30:16,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:30:16" (1/1) ... [2020-11-30 00:30:16,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:30:16,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:30:17,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:17,213 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:30:17,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:30:17,320 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:30:17,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17 WrapperNode [2020-11-30 00:30:17,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:30:17,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:17,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:30:17,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:30:17,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,346 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:30:17,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:30:17,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:30:17,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:30:17,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,401 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... [2020-11-30 00:30:17,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:30:17,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:30:17,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:30:17,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:30:17,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/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 [2020-11-30 00:30:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:30:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:30:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:30:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:30:18,652 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:30:18,653 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-30 00:30:18,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:18 BoogieIcfgContainer [2020-11-30 00:30:18,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:30:18,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:30:18,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:30:18,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:30:18,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:30:16" (1/3) ... [2020-11-30 00:30:18,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37978739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:30:18, skipping insertion in model container [2020-11-30 00:30:18,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:30:17" (2/3) ... [2020-11-30 00:30:18,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37978739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:30:18, skipping insertion in model container [2020-11-30 00:30:18,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:18" (3/3) ... [2020-11-30 00:30:18,666 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2020-11-30 00:30:18,677 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:30:18,681 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:30:18,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:30:18,720 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:30:18,720 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:30:18,720 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:30:18,720 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:30:18,720 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:30:18,720 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:30:18,721 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:30:18,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:30:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-30 00:30:18,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-30 00:30:18,741 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:18,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:18,742 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:18,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:18,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1511901468, now seen corresponding path program 1 times [2020-11-30 00:30:18,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:18,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165271714] [2020-11-30 00:30:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:18,964 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165271714] [2020-11-30 00:30:18,964 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:18,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:30:18,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300442943] [2020-11-30 00:30:18,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:30:18,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:18,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:30:18,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:30:18,983 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-11-30 00:30:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:19,013 INFO L93 Difference]: Finished difference Result 242 states and 369 transitions. [2020-11-30 00:30:19,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:30:19,014 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-30 00:30:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:19,024 INFO L225 Difference]: With dead ends: 242 [2020-11-30 00:30:19,025 INFO L226 Difference]: Without dead ends: 119 [2020-11-30 00:30:19,028 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 [2020-11-30 00:30:19,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-30 00:30:19,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-11-30 00:30:19,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-30 00:30:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2020-11-30 00:30:19,070 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2020-11-30 00:30:19,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:19,070 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2020-11-30 00:30:19,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:30:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2020-11-30 00:30:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-30 00:30:19,072 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:19,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:19,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:30:19,072 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:19,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:19,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1730737437, now seen corresponding path program 1 times [2020-11-30 00:30:19,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:19,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391530853] [2020-11-30 00:30:19,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:19,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:19,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391530853] [2020-11-30 00:30:19,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:19,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:19,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616836547] [2020-11-30 00:30:19,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:19,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:19,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:19,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:19,215 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2020-11-30 00:30:19,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:19,231 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2020-11-30 00:30:19,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:19,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-30 00:30:19,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:19,238 INFO L225 Difference]: With dead ends: 119 [2020-11-30 00:30:19,238 INFO L226 Difference]: Without dead ends: 51 [2020-11-30 00:30:19,239 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 [2020-11-30 00:30:19,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-30 00:30:19,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-30 00:30:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-30 00:30:19,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-30 00:30:19,252 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2020-11-30 00:30:19,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:19,252 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-30 00:30:19,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-30 00:30:19,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:30:19,253 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:19,253 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] [2020-11-30 00:30:19,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:30:19,254 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:19,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:19,254 INFO L82 PathProgramCache]: Analyzing trace with hash 70895168, now seen corresponding path program 1 times [2020-11-30 00:30:19,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:19,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948462688] [2020-11-30 00:30:19,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:19,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948462688] [2020-11-30 00:30:19,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:19,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:30:19,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302510799] [2020-11-30 00:30:19,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:30:19,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:19,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:30:19,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:30:19,392 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-11-30 00:30:19,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:19,512 INFO L93 Difference]: Finished difference Result 119 states and 177 transitions. [2020-11-30 00:30:19,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:30:19,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 00:30:19,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:19,514 INFO L225 Difference]: With dead ends: 119 [2020-11-30 00:30:19,515 INFO L226 Difference]: Without dead ends: 75 [2020-11-30 00:30:19,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-30 00:30:19,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-30 00:30:19,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2020-11-30 00:30:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-30 00:30:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-11-30 00:30:19,527 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2020-11-30 00:30:19,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:19,527 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-11-30 00:30:19,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:30:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-11-30 00:30:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-30 00:30:19,528 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:19,529 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] [2020-11-30 00:30:19,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:30:19,529 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:19,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:19,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2090863582, now seen corresponding path program 1 times [2020-11-30 00:30:19,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:19,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385946421] [2020-11-30 00:30:19,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:19,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385946421] [2020-11-30 00:30:19,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:19,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:30:19,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35650514] [2020-11-30 00:30:19,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:19,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:19,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:19,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:19,621 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-11-30 00:30:19,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:19,710 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-11-30 00:30:19,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:19,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-30 00:30:19,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:19,712 INFO L225 Difference]: With dead ends: 157 [2020-11-30 00:30:19,712 INFO L226 Difference]: Without dead ends: 93 [2020-11-30 00:30:19,713 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 [2020-11-30 00:30:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-30 00:30:19,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-11-30 00:30:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-11-30 00:30:19,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2020-11-30 00:30:19,725 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2020-11-30 00:30:19,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:19,726 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2020-11-30 00:30:19,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:19,726 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-11-30 00:30:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-30 00:30:19,731 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:19,732 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] [2020-11-30 00:30:19,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:30:19,732 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:19,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:19,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1765382007, now seen corresponding path program 1 times [2020-11-30 00:30:19,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:19,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897899504] [2020-11-30 00:30:19,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:19,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897899504] [2020-11-30 00:30:19,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:19,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:30:19,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784596293] [2020-11-30 00:30:19,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:30:19,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:19,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:30:19,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:30:19,826 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2020-11-30 00:30:19,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:19,983 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2020-11-30 00:30:19,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-30 00:30:19,983 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-30 00:30:19,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:19,988 INFO L225 Difference]: With dead ends: 452 [2020-11-30 00:30:19,988 INFO L226 Difference]: Without dead ends: 368 [2020-11-30 00:30:19,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:30:19,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-11-30 00:30:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2020-11-30 00:30:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-30 00:30:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2020-11-30 00:30:20,025 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2020-11-30 00:30:20,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:20,025 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2020-11-30 00:30:20,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:30:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2020-11-30 00:30:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-30 00:30:20,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:20,026 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] [2020-11-30 00:30:20,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:30:20,027 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:20,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:20,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1095440129, now seen corresponding path program 1 times [2020-11-30 00:30:20,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:20,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694123516] [2020-11-30 00:30:20,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:20,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694123516] [2020-11-30 00:30:20,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:20,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:30:20,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211251096] [2020-11-30 00:30:20,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:30:20,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:20,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:30:20,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:30:20,148 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2020-11-30 00:30:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:20,286 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2020-11-30 00:30:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 00:30:20,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-30 00:30:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:20,289 INFO L225 Difference]: With dead ends: 605 [2020-11-30 00:30:20,289 INFO L226 Difference]: Without dead ends: 448 [2020-11-30 00:30:20,290 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-30 00:30:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-30 00:30:20,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2020-11-30 00:30:20,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-30 00:30:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2020-11-30 00:30:20,317 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2020-11-30 00:30:20,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:20,317 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2020-11-30 00:30:20,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:30:20,318 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2020-11-30 00:30:20,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:30:20,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:20,319 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] [2020-11-30 00:30:20,319 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-30 00:30:20,319 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:20,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:20,320 INFO L82 PathProgramCache]: Analyzing trace with hash 494548661, now seen corresponding path program 1 times [2020-11-30 00:30:20,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:20,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479034502] [2020-11-30 00:30:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:20,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479034502] [2020-11-30 00:30:20,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:20,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:30:20,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327499157] [2020-11-30 00:30:20,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:30:20,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:20,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:30:20,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:30:20,411 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2020-11-30 00:30:20,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:20,507 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2020-11-30 00:30:20,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-30 00:30:20,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-30 00:30:20,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:20,512 INFO L225 Difference]: With dead ends: 479 [2020-11-30 00:30:20,512 INFO L226 Difference]: Without dead ends: 324 [2020-11-30 00:30:20,512 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 [2020-11-30 00:30:20,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-30 00:30:20,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2020-11-30 00:30:20,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-30 00:30:20,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2020-11-30 00:30:20,529 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2020-11-30 00:30:20,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:20,529 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2020-11-30 00:30:20,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:30:20,530 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2020-11-30 00:30:20,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:30:20,532 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:20,532 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:30:20,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-30 00:30:20,533 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:20,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:20,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1195613239, now seen corresponding path program 1 times [2020-11-30 00:30:20,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:20,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378386509] [2020-11-30 00:30:20,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:20,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378386509] [2020-11-30 00:30:20,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:20,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:30:20,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877506681] [2020-11-30 00:30:20,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:30:20,619 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:20,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:30:20,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:30:20,619 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2020-11-30 00:30:20,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:20,734 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2020-11-30 00:30:20,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:30:20,735 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-30 00:30:20,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:20,737 INFO L225 Difference]: With dead ends: 513 [2020-11-30 00:30:20,737 INFO L226 Difference]: Without dead ends: 346 [2020-11-30 00:30:20,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-30 00:30:20,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-30 00:30:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2020-11-30 00:30:20,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-30 00:30:20,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2020-11-30 00:30:20,764 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2020-11-30 00:30:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:20,764 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2020-11-30 00:30:20,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:30:20,765 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2020-11-30 00:30:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-30 00:30:20,769 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:20,769 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] [2020-11-30 00:30:20,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-30 00:30:20,770 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:20,770 INFO L82 PathProgramCache]: Analyzing trace with hash 608807225, now seen corresponding path program 1 times [2020-11-30 00:30:20,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:20,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546855820] [2020-11-30 00:30:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:20,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546855820] [2020-11-30 00:30:20,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:20,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:30:20,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553869583] [2020-11-30 00:30:20,821 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:20,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:20,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:20,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:20,822 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2020-11-30 00:30:20,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:20,882 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2020-11-30 00:30:20,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:20,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-30 00:30:20,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:20,884 INFO L225 Difference]: With dead ends: 445 [2020-11-30 00:30:20,884 INFO L226 Difference]: Without dead ends: 270 [2020-11-30 00:30:20,885 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 [2020-11-30 00:30:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-11-30 00:30:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-11-30 00:30:20,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-30 00:30:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2020-11-30 00:30:20,915 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2020-11-30 00:30:20,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:20,916 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2020-11-30 00:30:20,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:20,916 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2020-11-30 00:30:20,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-30 00:30:20,918 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:20,918 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] [2020-11-30 00:30:20,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-30 00:30:20,919 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:20,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1791527943, now seen corresponding path program 1 times [2020-11-30 00:30:20,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:20,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092191024] [2020-11-30 00:30:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:20,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:20,989 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092191024] [2020-11-30 00:30:20,989 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:20,989 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:20,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939616678] [2020-11-30 00:30:20,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:20,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:20,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:20,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:20,991 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2020-11-30 00:30:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:21,049 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2020-11-30 00:30:21,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:21,055 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-30 00:30:21,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:21,058 INFO L225 Difference]: With dead ends: 389 [2020-11-30 00:30:21,058 INFO L226 Difference]: Without dead ends: 387 [2020-11-30 00:30:21,058 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 [2020-11-30 00:30:21,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-11-30 00:30:21,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2020-11-30 00:30:21,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-30 00:30:21,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2020-11-30 00:30:21,092 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2020-11-30 00:30:21,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:21,092 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2020-11-30 00:30:21,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2020-11-30 00:30:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:30:21,094 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:21,094 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] [2020-11-30 00:30:21,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-30 00:30:21,094 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:21,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:21,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1377419427, now seen corresponding path program 1 times [2020-11-30 00:30:21,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:21,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553238918] [2020-11-30 00:30:21,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:21,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553238918] [2020-11-30 00:30:21,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:21,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-30 00:30:21,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373434994] [2020-11-30 00:30:21,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:30:21,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:21,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:30:21,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:30:21,248 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2020-11-30 00:30:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:21,681 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2020-11-30 00:30:21,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:30:21,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-30 00:30:21,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:21,691 INFO L225 Difference]: With dead ends: 1729 [2020-11-30 00:30:21,692 INFO L226 Difference]: Without dead ends: 1508 [2020-11-30 00:30:21,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-30 00:30:21,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-11-30 00:30:21,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2020-11-30 00:30:21,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-30 00:30:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2020-11-30 00:30:21,786 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2020-11-30 00:30:21,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:21,787 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2020-11-30 00:30:21,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:30:21,787 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2020-11-30 00:30:21,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:30:21,789 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:21,789 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] [2020-11-30 00:30:21,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-30 00:30:21,790 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:21,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:21,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1635584865, now seen corresponding path program 1 times [2020-11-30 00:30:21,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:21,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68251735] [2020-11-30 00:30:21,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:21,869 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:30:21,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68251735] [2020-11-30 00:30:21,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:21,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-30 00:30:21,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194269915] [2020-11-30 00:30:21,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-30 00:30:21,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:21,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-30 00:30:21,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:30:21,871 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2020-11-30 00:30:22,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:22,029 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2020-11-30 00:30:22,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:30:22,029 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-30 00:30:22,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:22,033 INFO L225 Difference]: With dead ends: 1322 [2020-11-30 00:30:22,034 INFO L226 Difference]: Without dead ends: 758 [2020-11-30 00:30:22,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-30 00:30:22,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-11-30 00:30:22,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2020-11-30 00:30:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-11-30 00:30:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2020-11-30 00:30:22,079 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2020-11-30 00:30:22,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:22,081 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2020-11-30 00:30:22,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-30 00:30:22,081 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2020-11-30 00:30:22,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-30 00:30:22,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:22,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:30:22,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-30 00:30:22,083 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:22,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1146166589, now seen corresponding path program 1 times [2020-11-30 00:30:22,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:22,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357880118] [2020-11-30 00:30:22,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:22,168 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:30:22,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357880118] [2020-11-30 00:30:22,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:22,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:30:22,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900284325] [2020-11-30 00:30:22,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:30:22,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:22,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:30:22,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:30:22,170 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2020-11-30 00:30:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:22,323 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2020-11-30 00:30:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:30:22,323 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-30 00:30:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:22,326 INFO L225 Difference]: With dead ends: 634 [2020-11-30 00:30:22,326 INFO L226 Difference]: Without dead ends: 363 [2020-11-30 00:30:22,326 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:30:22,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-30 00:30:22,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2020-11-30 00:30:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-11-30 00:30:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2020-11-30 00:30:22,368 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2020-11-30 00:30:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:22,368 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2020-11-30 00:30:22,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:30:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2020-11-30 00:30:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-30 00:30:22,372 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:30:22,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-30 00:30:22,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-30 00:30:22,373 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:30:22,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:30:22,373 INFO L82 PathProgramCache]: Analyzing trace with hash -990133077, now seen corresponding path program 1 times [2020-11-30 00:30:22,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:30:22,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988866078] [2020-11-30 00:30:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:30:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:30:22,434 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:30:22,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988866078] [2020-11-30 00:30:22,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:30:22,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:30:22,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637876102] [2020-11-30 00:30:22,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:30:22,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:30:22,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:30:22,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:30:22,436 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2020-11-30 00:30:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:30:22,535 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2020-11-30 00:30:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:30:22,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-30 00:30:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:30:22,536 INFO L225 Difference]: With dead ends: 707 [2020-11-30 00:30:22,536 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:30:22,538 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 [2020-11-30 00:30:22,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:30:22,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:30:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:30:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:30:22,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-30 00:30:22,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:30:22,539 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:30:22,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:30:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:30:22,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:30:22,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-30 00:30:22,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:30:22,669 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2020-11-30 00:30:23,067 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 167 [2020-11-30 00:30:23,301 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 165 [2020-11-30 00:30:23,565 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 160 [2020-11-30 00:30:23,708 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 113 [2020-11-30 00:30:24,010 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 154 [2020-11-30 00:30:24,265 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 151 [2020-11-30 00:30:24,386 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 81 [2020-11-30 00:30:24,503 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2020-11-30 00:30:24,806 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 170 [2020-11-30 00:30:25,005 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-11-30 00:30:25,260 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2020-11-30 00:30:26,065 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 32 [2020-11-30 00:30:26,747 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-30 00:30:27,249 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2020-11-30 00:30:27,638 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:30:28,364 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 31 [2020-11-30 00:30:28,766 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2020-11-30 00:30:28,999 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2020-11-30 00:30:29,301 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2020-11-30 00:30:29,833 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-11-30 00:30:30,318 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-11-30 00:30:30,321 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,321 INFO L270 CegarLoopResult]: At program point L300(lines 285 303) the Hoare annotation is: false [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L300-1(lines 285 303) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse4 (<= 1 ~waterLevel~0) .cse5))) [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L300-2(lines 285 303) the Hoare annotation is: false [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L300-3(lines 285 303) the Hoare annotation is: false [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L300-4(lines 285 303) the Hoare annotation is: false [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L300-5(lines 285 303) the Hoare annotation is: false [2020-11-30 00:30:30,322 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,322 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,322 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,322 INFO L274 CegarLoopResult]: For program point L466(lines 466 483) no Hoare annotation was computed. [2020-11-30 00:30:30,322 INFO L270 CegarLoopResult]: At program point L466-1(lines 1 1000) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2020-11-30 00:30:30,323 INFO L274 CegarLoopResult]: For program point L466-2(lines 466 483) no Hoare annotation was computed. [2020-11-30 00:30:30,323 INFO L270 CegarLoopResult]: At program point L466-3(lines 1 1000) the Hoare annotation is: false [2020-11-30 00:30:30,323 INFO L274 CegarLoopResult]: For program point L466-4(lines 466 483) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L270 CegarLoopResult]: At program point L466-5(lines 1 1000) the Hoare annotation is: false [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L277 CegarLoopResult]: At program point L434-1(lines 434 441) the Hoare annotation is: true [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170-3(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170-4(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L274 CegarLoopResult]: For program point L170-5(lines 170 178) no Hoare annotation was computed. [2020-11-30 00:30:30,324 INFO L270 CegarLoopResult]: At program point L567(lines 562 570) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= ~methaneLevelCritical~0 0) .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse4 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2))) [2020-11-30 00:30:30,325 INFO L270 CegarLoopResult]: At program point L567-1(lines 562 570) the Hoare annotation is: false [2020-11-30 00:30:30,325 INFO L270 CegarLoopResult]: At program point L567-2(lines 562 570) the Hoare annotation is: false [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L997(line 997) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L997-2(line 997) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L470-4(lines 470 480) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L471(lines 471 477) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L471-2(lines 471 477) no Hoare annotation was computed. [2020-11-30 00:30:30,325 INFO L274 CegarLoopResult]: For program point L471-4(lines 471 477) no Hoare annotation was computed. [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L141(lines 141 147) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2) (and (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2))) [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2020-11-30 00:30:30,326 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L406(lines 402 408) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:30:30,326 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-11-30 00:30:30,326 INFO L270 CegarLoopResult]: At program point L78-1(lines 78 84) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2020-11-30 00:30:30,326 INFO L274 CegarLoopResult]: For program point L607(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L607-1(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L607-2(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L607-4(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L607-5(lines 607 613) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L274 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-11-30 00:30:30,327 INFO L277 CegarLoopResult]: At program point L443(lines 424 446) the Hoare annotation is: true [2020-11-30 00:30:30,327 INFO L270 CegarLoopResult]: At program point L245(lines 240 248) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_main_~tmp~5 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3) (and .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2020-11-30 00:30:30,327 INFO L270 CegarLoopResult]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2020-11-30 00:30:30,327 INFO L270 CegarLoopResult]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2020-11-30 00:30:30,328 INFO L270 CegarLoopResult]: At program point L510(lines 1 1000) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313-6(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L274 CegarLoopResult]: For program point L313-8(lines 313 317) no Hoare annotation was computed. [2020-11-30 00:30:30,328 INFO L270 CegarLoopResult]: At program point L612(lines 603 616) the Hoare annotation is: false [2020-11-30 00:30:30,328 INFO L270 CegarLoopResult]: At program point L612-1(lines 603 616) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-11-30 00:30:30,328 INFO L270 CegarLoopResult]: At program point L612-2(lines 603 616) the Hoare annotation is: false [2020-11-30 00:30:30,328 INFO L270 CegarLoopResult]: At program point L612-3(lines 603 616) the Hoare annotation is: false [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L612-4(lines 603 616) the Hoare annotation is: false [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L612-5(lines 603 616) the Hoare annotation is: false [2020-11-30 00:30:30,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L319(lines 304 322) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L319-1(lines 304 322) the Hoare annotation is: false [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L319-2(lines 304 322) the Hoare annotation is: false [2020-11-30 00:30:30,329 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-11-30 00:30:30,329 INFO L270 CegarLoopResult]: At program point L518(lines 513 521) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:30:30,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:30:30,329 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L270 CegarLoopResult]: At program point L455(lines 450 457) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point L192(lines 192 209) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point L192-1(lines 192 209) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point L192-2(lines 192 209) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-11-30 00:30:30,330 INFO L270 CegarLoopResult]: At program point L622(lines 617 625) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~5 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-30 00:30:30,330 INFO L270 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2020-11-30 00:30:30,330 INFO L270 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: false [2020-11-30 00:30:30,330 INFO L270 CegarLoopResult]: At program point L358-2(lines 358 372) the Hoare annotation is: false [2020-11-30 00:30:30,330 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L327(lines 327 333) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L270 CegarLoopResult]: At program point L327-1(lines 327 333) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse3 .cse4))) [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L294-3(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L294-5(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L274 CegarLoopResult]: For program point L294-6(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,331 INFO L270 CegarLoopResult]: At program point L96-1(lines 134 140) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse3 .cse0 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse1 .cse2 .cse3 .cse0 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse3 .cse0 .cse6 .cse4 .cse5))) [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-8(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-9(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-11(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-12(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-14(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-15(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L294-17(lines 294 298) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 204) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L362-1(lines 134 140) no Hoare annotation was computed. [2020-11-30 00:30:30,332 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166-3(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,333 INFO L274 CegarLoopResult]: For program point L166-5(lines 166 183) no Hoare annotation was computed. [2020-11-30 00:30:30,335 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-11-30 00:30:30,335 INFO L274 CegarLoopResult]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2020-11-30 00:30:30,336 INFO L274 CegarLoopResult]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2020-11-30 00:30:30,336 INFO L270 CegarLoopResult]: At program point L134(lines 133 152) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse2 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse5 (<= 2 ~waterLevel~0) .cse0 .cse1 .cse3 .cse4) (and (not .cse1) (not .cse5) .cse0 .cse3 .cse2 .cse4))) [2020-11-30 00:30:30,336 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2020-11-30 00:30:30,336 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-11-30 00:30:30,336 INFO L270 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2020-11-30 00:30:30,336 INFO L270 CegarLoopResult]: At program point L68-1(lines 68 74) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~5 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3) (and (not .cse1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3))) [2020-11-30 00:30:30,337 INFO L270 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2020-11-30 00:30:30,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:30:30 BoogieIcfgContainer [2020-11-30 00:30:30,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:30:30,365 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:30:30,365 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:30:30,365 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:30:30,365 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:30:18" (3/4) ... [2020-11-30 00:30:30,368 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:30:30,385 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:30:30,386 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:30:30,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:30:30,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:30:30,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:30:30,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:30:30,392 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:30:30,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:30:30,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:30:30,415 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-30 00:30:30,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,417 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:30:30,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-30 00:30:30,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-11-30 00:30:30,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-30 00:30:30,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-30 00:30:30,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:30:30,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-30 00:30:30,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-11-30 00:30:30,508 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f361d469-d7ca-41da-b790-197b52d112fe/bin/uautomizer/witness.graphml [2020-11-30 00:30:30,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:30:30,509 INFO L168 Benchmark]: Toolchain (without parser) took 13667.41 ms. Allocated memory was 88.1 MB in the beginning and 281.0 MB in the end (delta: 192.9 MB). Free memory was 55.1 MB in the beginning and 155.5 MB in the end (delta: -100.4 MB). Peak memory consumption was 92.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,509 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:30:30,510 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.53 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 53.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,510 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 50.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,510 INFO L168 Benchmark]: Boogie Preprocessor took 45.03 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 47.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,511 INFO L168 Benchmark]: RCFGBuilder took 1223.85 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 47.3 MB in the beginning and 76.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,511 INFO L168 Benchmark]: TraceAbstraction took 11705.57 ms. Allocated memory was 109.1 MB in the beginning and 281.0 MB in the end (delta: 172.0 MB). Free memory was 75.9 MB in the beginning and 166.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 162.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,512 INFO L168 Benchmark]: Witness Printer took 143.46 ms. Allocated memory is still 281.0 MB. Free memory was 166.0 MB in the beginning and 155.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:30:30,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 47.4 MB in the beginning and 47.3 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 474.53 ms. Allocated memory is still 88.1 MB. Free memory was 54.9 MB in the beginning and 53.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.60 ms. Allocated memory is still 88.1 MB. Free memory was 53.6 MB in the beginning and 50.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.03 ms. Allocated memory is still 88.1 MB. Free memory was 49.8 MB in the beginning and 47.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1223.85 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 47.3 MB in the beginning and 76.8 MB in the end (delta: -29.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11705.57 ms. Allocated memory was 109.1 MB in the beginning and 281.0 MB in the end (delta: 172.0 MB). Free memory was 75.9 MB in the beginning and 166.0 MB in the end (delta: -90.0 MB). Peak memory consumption was 162.9 MB. Max. memory is 16.1 GB. * Witness Printer took 143.46 ms. Allocated memory is still 281.0 MB. Free memory was 166.0 MB in the beginning and 155.5 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 603]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 450]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && tmp == 1) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((0 == systemActive && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 617]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((tmp == 1 && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(0 == systemActive)) && \result == 0) && tmp == 1) && pumpRunning == 0) && !(tmp == 0)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) || (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2175 SDslu, 2127 SDs, 0 SdLazy, 268 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 829 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1644276 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 131331 FormulaSimplificationTreeSizeReductionInter, 5.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...