./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_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/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 [2020-11-28 03:14:15,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:14:15,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:14:15,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:14:15,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:14:15,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:14:15,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:14:15,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:14:15,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:14:15,384 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:14:15,385 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:14:15,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:14:15,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:14:15,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:14:15,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:14:15,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:14:15,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:14:15,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:14:15,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:14:15,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:14:15,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:14:15,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:14:15,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:14:15,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:14:15,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:14:15,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:14:15,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:14:15,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:14:15,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:14:15,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:14:15,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:14:15,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:14:15,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:14:15,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:14:15,427 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:14:15,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:14:15,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:14:15,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:14:15,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:14:15,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:14:15,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:14:15,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:14:15,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:14:15,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:14:15,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:14:15,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:14:15,466 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:14:15,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:14:15,467 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:14:15,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:14:15,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:14:15,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:14:15,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:14:15,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:14:15,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:14:15,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:14:15,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:14:15,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:14:15,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:14:15,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:14:15,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:14:15,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:14:15,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:14:15,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:14:15,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:14:15,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:14:15,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:14:15,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:14:15,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:14:15,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:14:15,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:14:15,474 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_4b8439cb-e655-417d-83fe-2239d1f0ff54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f185c5a4952179bf0341452c73ac94d6127cab1 [2020-11-28 03:14:15,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:14:15,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:14:15,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:14:15,829 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:14:15,831 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:14:15,832 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2020-11-28 03:14:15,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/data/e858f12ff/d3fd5f9b0bae46699a3fa4c3e3989d60/FLAGb08504026 [2020-11-28 03:14:16,609 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:14:16,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2020-11-28 03:14:16,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/data/e858f12ff/d3fd5f9b0bae46699a3fa4c3e3989d60/FLAGb08504026 [2020-11-28 03:14:16,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/data/e858f12ff/d3fd5f9b0bae46699a3fa4c3e3989d60 [2020-11-28 03:14:16,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:14:16,860 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:14:16,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:16,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:14:16,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:14:16,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:16" (1/1) ... [2020-11-28 03:14:16,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147ee14b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:16, skipping insertion in model container [2020-11-28 03:14:16,869 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:14:16" (1/1) ... [2020-11-28 03:14:16,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:14:16,928 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:14:17,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,301 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:14:17,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:14:17,474 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:14:17,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17 WrapperNode [2020-11-28 03:14:17,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:14:17,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:17,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:14:17,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:14:17,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:14:17,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:14:17,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:14:17,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,675 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... [2020-11-28 03:14:17,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:14:17,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:14:17,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:14:17,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:14:17,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/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 [2020-11-28 03:14:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:14:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:14:17,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:14:17,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:14:18,929 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:14:18,929 INFO L298 CfgBuilder]: Removed 170 assume(true) statements. [2020-11-28 03:14:18,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18 BoogieIcfgContainer [2020-11-28 03:14:18,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:14:18,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:14:18,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:14:18,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:14:18,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:14:16" (1/3) ... [2020-11-28 03:14:18,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e4ecc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:14:17" (2/3) ... [2020-11-28 03:14:18,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e4ecc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:14:18, skipping insertion in model container [2020-11-28 03:14:18,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/3) ... [2020-11-28 03:14:18,939 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2020-11-28 03:14:18,951 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:14:18,960 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:14:18,973 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:14:19,024 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:14:19,024 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:14:19,024 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:14:19,025 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:14:19,025 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:14:19,025 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:14:19,025 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:14:19,025 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:14:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2020-11-28 03:14:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:14:19,052 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,053 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:19,054 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1511901468, now seen corresponding path program 1 times [2020-11-28 03:14:19,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370662865] [2020-11-28 03:14:19,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:19,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370662865] [2020-11-28 03:14:19,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:19,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:19,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882911921] [2020-11-28 03:14:19,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:14:19,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:19,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:14:19,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:14:19,444 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2020-11-28 03:14:19,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:19,520 INFO L93 Difference]: Finished difference Result 242 states and 369 transitions. [2020-11-28 03:14:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:14:19,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:14:19,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:19,546 INFO L225 Difference]: With dead ends: 242 [2020-11-28 03:14:19,546 INFO L226 Difference]: Without dead ends: 119 [2020-11-28 03:14:19,559 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 [2020-11-28 03:14:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-11-28 03:14:19,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-11-28 03:14:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-28 03:14:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2020-11-28 03:14:19,611 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2020-11-28 03:14:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:19,612 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2020-11-28 03:14:19,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:14:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2020-11-28 03:14:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:14:19,613 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:14:19,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:14:19,614 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:19,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1730737437, now seen corresponding path program 1 times [2020-11-28 03:14:19,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773950814] [2020-11-28 03:14:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:19,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773950814] [2020-11-28 03:14:19,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:19,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:19,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462810801] [2020-11-28 03:14:19,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:19,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:19,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:19,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:19,785 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2020-11-28 03:14:19,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:19,808 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2020-11-28 03:14:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:19,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:14:19,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:19,813 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:14:19,813 INFO L226 Difference]: Without dead ends: 51 [2020-11-28 03:14:19,815 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 [2020-11-28 03:14:19,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-11-28 03:14:19,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-11-28 03:14:19,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-11-28 03:14:19,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-11-28 03:14:19,834 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2020-11-28 03:14:19,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:19,834 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-11-28 03:14:19,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:19,834 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-11-28 03:14:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:14:19,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:19,835 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] [2020-11-28 03:14:19,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:14:19,836 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:19,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:19,837 INFO L82 PathProgramCache]: Analyzing trace with hash 70895168, now seen corresponding path program 1 times [2020-11-28 03:14:19,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:19,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159702744] [2020-11-28 03:14:19,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:19,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159702744] [2020-11-28 03:14:19,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:19,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:20,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457450796] [2020-11-28 03:14:20,000 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:20,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:20,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:20,002 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 5 states. [2020-11-28 03:14:20,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:20,105 INFO L93 Difference]: Finished difference Result 119 states and 177 transitions. [2020-11-28 03:14:20,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:14:20,113 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:14:20,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:20,115 INFO L225 Difference]: With dead ends: 119 [2020-11-28 03:14:20,115 INFO L226 Difference]: Without dead ends: 75 [2020-11-28 03:14:20,116 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 [2020-11-28 03:14:20,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-28 03:14:20,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2020-11-28 03:14:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-11-28 03:14:20,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-11-28 03:14:20,142 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2020-11-28 03:14:20,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:20,143 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-11-28 03:14:20,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-11-28 03:14:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:14:20,145 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:20,145 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] [2020-11-28 03:14:20,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:14:20,145 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:20,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:20,146 INFO L82 PathProgramCache]: Analyzing trace with hash 2090863582, now seen corresponding path program 1 times [2020-11-28 03:14:20,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:20,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131800560] [2020-11-28 03:14:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:20,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:20,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131800560] [2020-11-28 03:14:20,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:20,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:20,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418349321] [2020-11-28 03:14:20,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:20,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:20,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:20,274 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-11-28 03:14:20,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:20,373 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-11-28 03:14:20,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:20,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:14:20,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:20,375 INFO L225 Difference]: With dead ends: 157 [2020-11-28 03:14:20,375 INFO L226 Difference]: Without dead ends: 93 [2020-11-28 03:14:20,376 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 [2020-11-28 03:14:20,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-11-28 03:14:20,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-11-28 03:14:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-11-28 03:14:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2020-11-28 03:14:20,397 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2020-11-28 03:14:20,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:20,398 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2020-11-28 03:14:20,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:20,398 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-11-28 03:14:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:14:20,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:20,405 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] [2020-11-28 03:14:20,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:14:20,406 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:20,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:20,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1765382007, now seen corresponding path program 1 times [2020-11-28 03:14:20,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:20,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803131038] [2020-11-28 03:14:20,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:20,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803131038] [2020-11-28 03:14:20,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:20,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:20,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941623033] [2020-11-28 03:14:20,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:20,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:20,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:20,520 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2020-11-28 03:14:20,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:20,648 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2020-11-28 03:14:20,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:14:20,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 03:14:20,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:20,652 INFO L225 Difference]: With dead ends: 452 [2020-11-28 03:14:20,653 INFO L226 Difference]: Without dead ends: 368 [2020-11-28 03:14:20,654 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 [2020-11-28 03:14:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-11-28 03:14:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2020-11-28 03:14:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-28 03:14:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2020-11-28 03:14:20,690 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2020-11-28 03:14:20,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:20,690 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2020-11-28 03:14:20,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2020-11-28 03:14:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:14:20,691 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:20,691 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] [2020-11-28 03:14:20,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:14:20,692 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:20,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:20,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1095440129, now seen corresponding path program 1 times [2020-11-28 03:14:20,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:20,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268318070] [2020-11-28 03:14:20,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:20,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268318070] [2020-11-28 03:14:20,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:20,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:14:20,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255793951] [2020-11-28 03:14:20,770 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:20,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:20,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:20,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:20,772 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2020-11-28 03:14:20,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:20,963 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2020-11-28 03:14:20,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:14:20,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 03:14:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:20,966 INFO L225 Difference]: With dead ends: 605 [2020-11-28 03:14:20,966 INFO L226 Difference]: Without dead ends: 448 [2020-11-28 03:14:20,968 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 [2020-11-28 03:14:20,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-11-28 03:14:21,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2020-11-28 03:14:21,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-11-28 03:14:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2020-11-28 03:14:21,002 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2020-11-28 03:14:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,006 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2020-11-28 03:14:21,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2020-11-28 03:14:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:14:21,012 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,012 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] [2020-11-28 03:14:21,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:14:21,013 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,015 INFO L82 PathProgramCache]: Analyzing trace with hash 494548661, now seen corresponding path program 1 times [2020-11-28 03:14:21,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189174900] [2020-11-28 03:14:21,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:21,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189174900] [2020-11-28 03:14:21,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:21,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:21,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289639108] [2020-11-28 03:14:21,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:21,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:21,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:21,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:21,104 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2020-11-28 03:14:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:21,229 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2020-11-28 03:14:21,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:14:21,230 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:14:21,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:21,233 INFO L225 Difference]: With dead ends: 479 [2020-11-28 03:14:21,233 INFO L226 Difference]: Without dead ends: 324 [2020-11-28 03:14:21,234 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 [2020-11-28 03:14:21,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-28 03:14:21,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2020-11-28 03:14:21,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-28 03:14:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2020-11-28 03:14:21,268 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2020-11-28 03:14:21,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,268 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2020-11-28 03:14:21,269 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2020-11-28 03:14:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:14:21,270 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,270 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] [2020-11-28 03:14:21,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:14:21,270 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1195613239, now seen corresponding path program 1 times [2020-11-28 03:14:21,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872925457] [2020-11-28 03:14:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:21,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:21,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872925457] [2020-11-28 03:14:21,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:21,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:21,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471008661] [2020-11-28 03:14:21,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:21,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:21,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:21,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:21,383 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2020-11-28 03:14:21,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:21,517 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2020-11-28 03:14:21,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:14:21,518 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 03:14:21,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:21,521 INFO L225 Difference]: With dead ends: 513 [2020-11-28 03:14:21,521 INFO L226 Difference]: Without dead ends: 346 [2020-11-28 03:14:21,522 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 [2020-11-28 03:14:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-28 03:14:21,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2020-11-28 03:14:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-11-28 03:14:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2020-11-28 03:14:21,551 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2020-11-28 03:14:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,551 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2020-11-28 03:14:21,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2020-11-28 03:14:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:14:21,552 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,553 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] [2020-11-28 03:14:21,553 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:14:21,554 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,555 INFO L82 PathProgramCache]: Analyzing trace with hash 608807225, now seen corresponding path program 1 times [2020-11-28 03:14:21,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629012473] [2020-11-28 03:14:21,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:21,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629012473] [2020-11-28 03:14:21,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:21,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:14:21,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873908833] [2020-11-28 03:14:21,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:21,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:21,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:21,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:21,633 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2020-11-28 03:14:21,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:21,685 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2020-11-28 03:14:21,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:21,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:14:21,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:21,688 INFO L225 Difference]: With dead ends: 445 [2020-11-28 03:14:21,688 INFO L226 Difference]: Without dead ends: 270 [2020-11-28 03:14:21,689 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 [2020-11-28 03:14:21,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-11-28 03:14:21,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-11-28 03:14:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-28 03:14:21,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2020-11-28 03:14:21,727 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2020-11-28 03:14:21,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,727 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2020-11-28 03:14:21,728 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:21,728 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2020-11-28 03:14:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:14:21,729 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,729 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] [2020-11-28 03:14:21,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:14:21,729 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1791527943, now seen corresponding path program 1 times [2020-11-28 03:14:21,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523970268] [2020-11-28 03:14:21,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:21,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523970268] [2020-11-28 03:14:21,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:21,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:21,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990623529] [2020-11-28 03:14:21,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:21,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:21,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:21,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:21,790 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2020-11-28 03:14:21,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:21,860 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2020-11-28 03:14:21,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:21,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:14:21,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:21,863 INFO L225 Difference]: With dead ends: 389 [2020-11-28 03:14:21,863 INFO L226 Difference]: Without dead ends: 387 [2020-11-28 03:14:21,864 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 [2020-11-28 03:14:21,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-11-28 03:14:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2020-11-28 03:14:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-11-28 03:14:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2020-11-28 03:14:21,902 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2020-11-28 03:14:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:21,902 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2020-11-28 03:14:21,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2020-11-28 03:14:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:14:21,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:21,905 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] [2020-11-28 03:14:21,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:14:21,905 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:21,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:21,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1377419427, now seen corresponding path program 1 times [2020-11-28 03:14:21,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:21,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716447725] [2020-11-28 03:14:21,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:22,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:22,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716447725] [2020-11-28 03:14:22,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:22,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:14:22,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428727434] [2020-11-28 03:14:22,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:14:22,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:22,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:14:22,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:14:22,090 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2020-11-28 03:14:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:22,673 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2020-11-28 03:14:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-28 03:14:22,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-28 03:14:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:22,684 INFO L225 Difference]: With dead ends: 1729 [2020-11-28 03:14:22,684 INFO L226 Difference]: Without dead ends: 1508 [2020-11-28 03:14:22,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:14:22,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-11-28 03:14:22,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2020-11-28 03:14:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-28 03:14:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2020-11-28 03:14:22,786 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2020-11-28 03:14:22,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:22,787 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2020-11-28 03:14:22,787 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:14:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2020-11-28 03:14:22,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:14:22,788 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:22,789 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] [2020-11-28 03:14:22,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:14:22,789 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:22,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:22,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1635584865, now seen corresponding path program 1 times [2020-11-28 03:14:22,790 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:22,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526924165] [2020-11-28 03:14:22,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:22,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:14:22,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526924165] [2020-11-28 03:14:22,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:22,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:14:22,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453402399] [2020-11-28 03:14:22,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:14:22,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:22,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:14:22,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:14:22,939 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2020-11-28 03:14:23,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:23,173 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2020-11-28 03:14:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:14:23,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:14:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:23,179 INFO L225 Difference]: With dead ends: 1322 [2020-11-28 03:14:23,180 INFO L226 Difference]: Without dead ends: 758 [2020-11-28 03:14:23,181 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 [2020-11-28 03:14:23,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-11-28 03:14:23,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2020-11-28 03:14:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-11-28 03:14:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2020-11-28 03:14:23,248 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2020-11-28 03:14:23,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:23,249 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2020-11-28 03:14:23,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:14:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2020-11-28 03:14:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:14:23,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:23,251 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] [2020-11-28 03:14:23,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:14:23,251 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:23,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:23,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1146166589, now seen corresponding path program 1 times [2020-11-28 03:14:23,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:23,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806212354] [2020-11-28 03:14:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:23,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:14:23,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806212354] [2020-11-28 03:14:23,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:23,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:14:23,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634832241] [2020-11-28 03:14:23,335 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:14:23,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:23,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:14:23,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:14:23,337 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2020-11-28 03:14:23,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:23,595 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2020-11-28 03:14:23,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:14:23,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:14:23,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:23,600 INFO L225 Difference]: With dead ends: 634 [2020-11-28 03:14:23,601 INFO L226 Difference]: Without dead ends: 363 [2020-11-28 03:14:23,602 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 [2020-11-28 03:14:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-28 03:14:23,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2020-11-28 03:14:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-11-28 03:14:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2020-11-28 03:14:23,667 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2020-11-28 03:14:23,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:23,667 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2020-11-28 03:14:23,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:14:23,668 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2020-11-28 03:14:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 03:14:23,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:14:23,669 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] [2020-11-28 03:14:23,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:14:23,670 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:14:23,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:14:23,670 INFO L82 PathProgramCache]: Analyzing trace with hash -990133077, now seen corresponding path program 1 times [2020-11-28 03:14:23,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:14:23,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052288608] [2020-11-28 03:14:23,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:14:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:14:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 03:14:23,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052288608] [2020-11-28 03:14:23,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:14:23,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:14:23,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436723924] [2020-11-28 03:14:23,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:14:23,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:14:23,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:14:23,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:14:23,748 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2020-11-28 03:14:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:14:23,883 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2020-11-28 03:14:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:14:23,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-11-28 03:14:23,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:14:23,885 INFO L225 Difference]: With dead ends: 707 [2020-11-28 03:14:23,885 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:14:23,887 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 [2020-11-28 03:14:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:14:23,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:14:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:14:23,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:14:23,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-11-28 03:14:23,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:14:23,888 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:14:23,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:14:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:14:23,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:14:23,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-28 03:14:23,891 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:14:24,057 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2020-11-28 03:14:24,564 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 167 [2020-11-28 03:14:24,832 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 165 [2020-11-28 03:14:25,380 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 160 [2020-11-28 03:14:25,745 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 113 [2020-11-28 03:14:26,163 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 154 [2020-11-28 03:14:26,391 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 151 [2020-11-28 03:14:26,573 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 107 [2020-11-28 03:14:26,899 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 170 [2020-11-28 03:14:27,141 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 160 [2020-11-28 03:14:27,455 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 31 [2020-11-28 03:14:28,388 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 32 [2020-11-28 03:14:29,133 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-11-28 03:14:29,757 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2020-11-28 03:14:30,215 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-28 03:14:30,874 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 31 [2020-11-28 03:14:31,480 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2020-11-28 03:14:31,773 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 27 [2020-11-28 03:14:32,198 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 36 [2020-11-28 03:14:32,822 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 30 [2020-11-28 03:14:33,365 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-11-28 03:14:33,369 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,369 INFO L270 CegarLoopResult]: At program point L300(lines 285 303) the Hoare annotation is: false [2020-11-28 03:14:33,369 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))) [2020-11-28 03:14:33,369 INFO L270 CegarLoopResult]: At program point L300-2(lines 285 303) the Hoare annotation is: false [2020-11-28 03:14:33,370 INFO L270 CegarLoopResult]: At program point L300-3(lines 285 303) the Hoare annotation is: false [2020-11-28 03:14:33,370 INFO L270 CegarLoopResult]: At program point L300-4(lines 285 303) the Hoare annotation is: false [2020-11-28 03:14:33,370 INFO L270 CegarLoopResult]: At program point L300-5(lines 285 303) the Hoare annotation is: false [2020-11-28 03:14:33,370 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,370 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,370 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,370 INFO L274 CegarLoopResult]: For program point L466(lines 466 483) no Hoare annotation was computed. [2020-11-28 03:14:33,370 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))) [2020-11-28 03:14:33,370 INFO L274 CegarLoopResult]: For program point L466-2(lines 466 483) no Hoare annotation was computed. [2020-11-28 03:14:33,370 INFO L270 CegarLoopResult]: At program point L466-3(lines 1 1000) the Hoare annotation is: false [2020-11-28 03:14:33,371 INFO L274 CegarLoopResult]: For program point L466-4(lines 466 483) no Hoare annotation was computed. [2020-11-28 03:14:33,371 INFO L270 CegarLoopResult]: At program point L466-5(lines 1 1000) the Hoare annotation is: false [2020-11-28 03:14:33,371 INFO L274 CegarLoopResult]: For program point L434(lines 434 441) no Hoare annotation was computed. [2020-11-28 03:14:33,371 INFO L277 CegarLoopResult]: At program point L434-1(lines 434 441) the Hoare annotation is: true [2020-11-28 03:14:33,375 INFO L274 CegarLoopResult]: For program point L170(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,375 INFO L274 CegarLoopResult]: For program point L170-1(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,375 INFO L274 CegarLoopResult]: For program point L170-2(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L170-3(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L170-4(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L170-5(lines 170 178) no Hoare annotation was computed. [2020-11-28 03:14:33,376 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))) [2020-11-28 03:14:33,376 INFO L270 CegarLoopResult]: At program point L567-1(lines 562 570) the Hoare annotation is: false [2020-11-28 03:14:33,376 INFO L270 CegarLoopResult]: At program point L567-2(lines 562 570) the Hoare annotation is: false [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L997(line 997) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L997-1(line 997) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L997-2(line 997) no Hoare annotation was computed. [2020-11-28 03:14:33,376 INFO L274 CegarLoopResult]: For program point L470(lines 470 480) no Hoare annotation was computed. [2020-11-28 03:14:33,377 INFO L274 CegarLoopResult]: For program point L470-2(lines 470 480) no Hoare annotation was computed. [2020-11-28 03:14:33,377 INFO L274 CegarLoopResult]: For program point L470-4(lines 470 480) no Hoare annotation was computed. [2020-11-28 03:14:33,377 INFO L274 CegarLoopResult]: For program point L471(lines 471 477) no Hoare annotation was computed. [2020-11-28 03:14:33,377 INFO L274 CegarLoopResult]: For program point L471-2(lines 471 477) no Hoare annotation was computed. [2020-11-28 03:14:33,377 INFO L274 CegarLoopResult]: For program point L471-4(lines 471 477) no Hoare annotation was computed. [2020-11-28 03:14:33,377 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))) [2020-11-28 03:14:33,378 INFO L270 CegarLoopResult]: At program point L108(lines 57 109) the Hoare annotation is: false [2020-11-28 03:14:33,378 INFO L270 CegarLoopResult]: At program point L141-1(lines 141 147) the Hoare annotation is: false [2020-11-28 03:14:33,378 INFO L270 CegarLoopResult]: At program point L141-2(lines 141 147) the Hoare annotation is: false [2020-11-28 03:14:33,378 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,379 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)) [2020-11-28 03:14:33,379 INFO L274 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2020-11-28 03:14:33,379 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))) [2020-11-28 03:14:33,379 INFO L274 CegarLoopResult]: For program point L607(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,379 INFO L274 CegarLoopResult]: For program point L607-1(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,379 INFO L274 CegarLoopResult]: For program point L607-2(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,379 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,380 INFO L274 CegarLoopResult]: For program point L607-4(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,380 INFO L274 CegarLoopResult]: For program point L607-5(lines 607 613) no Hoare annotation was computed. [2020-11-28 03:14:33,380 INFO L274 CegarLoopResult]: For program point L542(lines 542 546) no Hoare annotation was computed. [2020-11-28 03:14:33,380 INFO L277 CegarLoopResult]: At program point L443(lines 424 446) the Hoare annotation is: true [2020-11-28 03:14:33,380 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))) [2020-11-28 03:14:33,380 INFO L270 CegarLoopResult]: At program point L245-1(lines 240 248) the Hoare annotation is: false [2020-11-28 03:14:33,381 INFO L270 CegarLoopResult]: At program point L245-2(lines 240 248) the Hoare annotation is: false [2020-11-28 03:14:33,381 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)) [2020-11-28 03:14:33,381 INFO L274 CegarLoopResult]: For program point L313(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,381 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,381 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,381 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,381 INFO L274 CegarLoopResult]: For program point L313-6(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,382 INFO L274 CegarLoopResult]: For program point L313-8(lines 313 317) no Hoare annotation was computed. [2020-11-28 03:14:33,382 INFO L270 CegarLoopResult]: At program point L612(lines 603 616) the Hoare annotation is: false [2020-11-28 03:14:33,382 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))) [2020-11-28 03:14:33,382 INFO L270 CegarLoopResult]: At program point L612-2(lines 603 616) the Hoare annotation is: false [2020-11-28 03:14:33,382 INFO L270 CegarLoopResult]: At program point L612-3(lines 603 616) the Hoare annotation is: false [2020-11-28 03:14:33,383 INFO L270 CegarLoopResult]: At program point L612-4(lines 603 616) the Hoare annotation is: false [2020-11-28 03:14:33,383 INFO L270 CegarLoopResult]: At program point L612-5(lines 603 616) the Hoare annotation is: false [2020-11-28 03:14:33,383 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:14:33,383 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)) [2020-11-28 03:14:33,383 INFO L270 CegarLoopResult]: At program point L319-1(lines 304 322) the Hoare annotation is: false [2020-11-28 03:14:33,383 INFO L270 CegarLoopResult]: At program point L319-2(lines 304 322) the Hoare annotation is: false [2020-11-28 03:14:33,384 INFO L274 CegarLoopResult]: For program point L88(lines 88 103) no Hoare annotation was computed. [2020-11-28 03:14:33,384 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)) [2020-11-28 03:14:33,384 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:14:33,384 INFO L274 CegarLoopResult]: For program point L554(lines 554 558) no Hoare annotation was computed. [2020-11-28 03:14:33,384 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)) [2020-11-28 03:14:33,384 INFO L274 CegarLoopResult]: For program point L59(lines 58 107) no Hoare annotation was computed. [2020-11-28 03:14:33,385 INFO L274 CegarLoopResult]: For program point L192(lines 192 209) no Hoare annotation was computed. [2020-11-28 03:14:33,385 INFO L274 CegarLoopResult]: For program point L192-1(lines 192 209) no Hoare annotation was computed. [2020-11-28 03:14:33,385 INFO L274 CegarLoopResult]: For program point L192-2(lines 192 209) no Hoare annotation was computed. [2020-11-28 03:14:33,385 INFO L274 CegarLoopResult]: For program point L60(lines 60 64) no Hoare annotation was computed. [2020-11-28 03:14:33,385 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)) [2020-11-28 03:14:33,385 INFO L270 CegarLoopResult]: At program point L622-1(lines 617 625) the Hoare annotation is: false [2020-11-28 03:14:33,386 INFO L270 CegarLoopResult]: At program point L622-2(lines 617 625) the Hoare annotation is: false [2020-11-28 03:14:33,386 INFO L270 CegarLoopResult]: At program point L358-2(lines 358 372) the Hoare annotation is: false [2020-11-28 03:14:33,386 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:14:33,386 INFO L274 CegarLoopResult]: For program point L359(line 359) no Hoare annotation was computed. [2020-11-28 03:14:33,386 INFO L274 CegarLoopResult]: For program point L327(lines 327 333) no Hoare annotation was computed. [2020-11-28 03:14:33,386 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))) [2020-11-28 03:14:33,386 INFO L274 CegarLoopResult]: For program point L294(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,387 INFO L274 CegarLoopResult]: For program point L294-2(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,387 INFO L274 CegarLoopResult]: For program point L294-3(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,387 INFO L274 CegarLoopResult]: For program point L294-5(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,387 INFO L274 CegarLoopResult]: For program point L96(lines 96 102) no Hoare annotation was computed. [2020-11-28 03:14:33,387 INFO L274 CegarLoopResult]: For program point L294-6(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,387 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))) [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-8(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-9(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-11(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-12(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-14(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-15(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,388 INFO L274 CegarLoopResult]: For program point L294-17(lines 294 298) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L196(lines 196 204) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L196-1(lines 196 204) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L196-2(lines 196 204) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L362-1(lines 134 140) no Hoare annotation was computed. [2020-11-28 03:14:33,389 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166-1(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166-2(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166-3(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166-4(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,390 INFO L274 CegarLoopResult]: For program point L166-5(lines 166 183) no Hoare annotation was computed. [2020-11-28 03:14:33,391 INFO L274 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-11-28 03:14:33,391 INFO L274 CegarLoopResult]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2020-11-28 03:14:33,391 INFO L274 CegarLoopResult]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2020-11-28 03:14:33,391 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))) [2020-11-28 03:14:33,391 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 140) no Hoare annotation was computed. [2020-11-28 03:14:33,391 INFO L274 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-11-28 03:14:33,392 INFO L270 CegarLoopResult]: At program point L134-2(lines 133 152) the Hoare annotation is: false [2020-11-28 03:14:33,392 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))) [2020-11-28 03:14:33,392 INFO L270 CegarLoopResult]: At program point L134-3(lines 133 152) the Hoare annotation is: false [2020-11-28 03:14:33,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:14:33 BoogieIcfgContainer [2020-11-28 03:14:33,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:14:33,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:14:33,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:14:33,430 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:14:33,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:14:18" (3/4) ... [2020-11-28 03:14:33,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:14:33,456 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:14:33,457 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:14:33,459 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:14:33,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:14:33,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:14:33,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:33,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:14:33,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:14:33,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:14:33,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:14:33,495 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) [2020-11-28 03:14:33,496 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) [2020-11-28 03:14:33,497 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) [2020-11-28 03:14:33,497 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) [2020-11-28 03:14:33,498 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) [2020-11-28 03:14:33,498 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) [2020-11-28 03:14:33,498 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) [2020-11-28 03:14:33,499 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) [2020-11-28 03:14:33,500 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 [2020-11-28 03:14:33,501 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) [2020-11-28 03:14:33,502 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) [2020-11-28 03:14:33,502 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 [2020-11-28 03:14:33,503 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) [2020-11-28 03:14:33,597 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4b8439cb-e655-417d-83fe-2239d1f0ff54/bin/uautomizer/witness.graphml [2020-11-28 03:14:33,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:14:33,599 INFO L168 Benchmark]: Toolchain (without parser) took 16739.20 ms. Allocated memory was 100.7 MB in the beginning and 297.8 MB in the end (delta: 197.1 MB). Free memory was 74.4 MB in the beginning and 243.1 MB in the end (delta: -168.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,600 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 57.9 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:14:33,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.27 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 74.3 MB in the beginning and 95.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 130.0 MB. Free memory was 95.9 MB in the beginning and 92.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,601 INFO L168 Benchmark]: Boogie Preprocessor took 105.87 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 89.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,602 INFO L168 Benchmark]: RCFGBuilder took 1242.12 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 63.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,602 INFO L168 Benchmark]: TraceAbstraction took 14496.43 ms. Allocated memory was 130.0 MB in the beginning and 297.8 MB in the end (delta: 167.8 MB). Free memory was 62.8 MB in the beginning and 253.6 MB in the end (delta: -190.7 MB). Peak memory consumption was 137.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,603 INFO L168 Benchmark]: Witness Printer took 168.26 ms. Allocated memory is still 297.8 MB. Free memory was 253.6 MB in the beginning and 243.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:14:33,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 100.7 MB. Free memory was 58.0 MB in the beginning and 57.9 MB in the end (delta: 56.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 615.27 ms. Allocated memory was 100.7 MB in the beginning and 130.0 MB in the end (delta: 29.4 MB). Free memory was 74.3 MB in the beginning and 95.9 MB in the end (delta: -21.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 103.04 ms. Allocated memory is still 130.0 MB. Free memory was 95.9 MB in the beginning and 92.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 105.87 ms. Allocated memory is still 130.0 MB. Free memory was 92.3 MB in the beginning and 89.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1242.12 ms. Allocated memory is still 130.0 MB. Free memory was 89.3 MB in the beginning and 63.1 MB in the end (delta: 26.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14496.43 ms. Allocated memory was 130.0 MB in the beginning and 297.8 MB in the end (delta: 167.8 MB). Free memory was 62.8 MB in the beginning and 253.6 MB in the end (delta: -190.7 MB). Peak memory consumption was 137.9 MB. Max. memory is 16.1 GB. * Witness Printer took 168.26 ms. Allocated memory is still 297.8 MB. Free memory was 253.6 MB in the beginning and 243.1 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: 4.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2175 SDslu, 2127 SDs, 0 SdLazy, 268 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s 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: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 2126 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 829 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1644276 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 131331 FormulaSimplificationTreeSizeReductionInter, 6.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s 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...