./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.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_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/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 6a18f617941e8cdfed5633e004145f254bf7fa9d ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:03:34,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:03:34,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:03:34,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:03:34,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:03:34,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:03:34,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:03:34,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:03:34,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:03:34,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:03:34,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:03:34,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:03:34,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:03:34,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:03:34,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:03:34,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:03:34,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:03:34,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:03:34,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:03:34,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:03:34,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:03:34,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:03:34,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:03:34,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:03:34,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:03:34,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:03:34,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:03:34,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:03:34,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:03:34,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:03:34,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:03:34,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:03:34,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:03:34,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:03:34,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:03:34,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:03:34,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:03:34,681 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:03:34,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:03:34,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:03:34,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:03:34,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:03:34,726 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:03:34,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:03:34,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:03:34,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:03:34,730 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:03:34,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:03:34,731 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:03:34,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:03:34,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:03:34,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:03:34,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:03:34,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:03:34,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:03:34,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:03:34,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:03:34,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:03:34,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:03:34,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:03:34,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:03:34,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:03:34,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:03:34,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:03:34,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:03:34,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:03:34,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:03:34,737 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:03:34,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:03:34,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:03:34,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:03:34,739 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_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a18f617941e8cdfed5633e004145f254bf7fa9d [2020-11-28 03:03:35,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:03:35,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:03:35,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:03:35,077 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:03:35,090 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:03:35,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-28 03:03:35,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/data/61a8d8136/b9454fc090eb4d13a93418668a4dbafa/FLAG9bec3cb5d [2020-11-28 03:03:35,811 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:03:35,812 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2020-11-28 03:03:35,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/data/61a8d8136/b9454fc090eb4d13a93418668a4dbafa/FLAG9bec3cb5d [2020-11-28 03:03:36,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/data/61a8d8136/b9454fc090eb4d13a93418668a4dbafa [2020-11-28 03:03:36,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:03:36,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:03:36,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:36,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:03:36,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:03:36,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,062 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efe2224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36, skipping insertion in model container [2020-11-28 03:03:36,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:03:36,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:03:36,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:36,478 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:03:36,592 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:03:36,630 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:03:36,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36 WrapperNode [2020-11-28 03:03:36,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:03:36,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:36,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:03:36,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:03:36,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:03:36,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:03:36,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:03:36,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:03:36,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... [2020-11-28 03:03:36,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:03:36,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:03:36,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:03:36,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:03:36,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/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 03:03:36,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:03:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:03:36,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:03:36,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:03:37,576 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:03:37,576 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-28 03:03:37,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37 BoogieIcfgContainer [2020-11-28 03:03:37,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:03:37,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:03:37,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:03:37,583 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:03:37,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:03:36" (1/3) ... [2020-11-28 03:03:37,584 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32017bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:37, skipping insertion in model container [2020-11-28 03:03:37,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:03:36" (2/3) ... [2020-11-28 03:03:37,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32017bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:03:37, skipping insertion in model container [2020-11-28 03:03:37,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37" (3/3) ... [2020-11-28 03:03:37,586 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2020-11-28 03:03:37,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:03:37,602 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:03:37,613 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:03:37,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:03:37,637 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:03:37,637 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:03:37,637 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:03:37,637 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:03:37,637 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:03:37,637 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:03:37,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:03:37,652 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-11-28 03:03:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 03:03:37,657 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:37,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:37,658 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:37,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:37,665 INFO L82 PathProgramCache]: Analyzing trace with hash 436617332, now seen corresponding path program 1 times [2020-11-28 03:03:37,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:37,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077306291] [2020-11-28 03:03:37,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:37,917 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 03:03:37,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077306291] [2020-11-28 03:03:37,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:37,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:03:37,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329021487] [2020-11-28 03:03:37,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:03:37,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:37,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:03:37,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:03:37,942 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2020-11-28 03:03:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:37,966 INFO L93 Difference]: Finished difference Result 111 states and 164 transitions. [2020-11-28 03:03:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:03:37,967 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-28 03:03:37,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:37,977 INFO L225 Difference]: With dead ends: 111 [2020-11-28 03:03:37,977 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 03:03:37,981 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 03:03:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 03:03:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 03:03:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 03:03:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 72 transitions. [2020-11-28 03:03:38,041 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 72 transitions. Word has length 16 [2020-11-28 03:03:38,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:38,042 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 72 transitions. [2020-11-28 03:03:38,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:03:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2020-11-28 03:03:38,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 03:03:38,045 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:38,045 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:38,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:03:38,047 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:38,051 INFO L82 PathProgramCache]: Analyzing trace with hash -610139565, now seen corresponding path program 1 times [2020-11-28 03:03:38,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:38,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135489952] [2020-11-28 03:03:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:38,191 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 03:03:38,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135489952] [2020-11-28 03:03:38,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:38,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:03:38,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105466412] [2020-11-28 03:03:38,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:38,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:38,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:38,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:38,195 INFO L87 Difference]: Start difference. First operand 53 states and 72 transitions. Second operand 3 states. [2020-11-28 03:03:38,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:38,210 INFO L93 Difference]: Finished difference Result 53 states and 72 transitions. [2020-11-28 03:03:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:38,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-28 03:03:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:38,213 INFO L225 Difference]: With dead ends: 53 [2020-11-28 03:03:38,213 INFO L226 Difference]: Without dead ends: 27 [2020-11-28 03:03:38,214 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 03:03:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-11-28 03:03:38,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-11-28 03:03:38,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-11-28 03:03:38,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions. [2020-11-28 03:03:38,219 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 17 [2020-11-28 03:03:38,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:38,219 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions. [2020-11-28 03:03:38,219 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-28 03:03:38,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 03:03:38,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:38,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:38,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:03:38,239 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:38,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:38,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1992386864, now seen corresponding path program 1 times [2020-11-28 03:03:38,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:38,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734137642] [2020-11-28 03:03:38,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:38,458 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 03:03:38,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734137642] [2020-11-28 03:03:38,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:38,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:03:38,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170589933] [2020-11-28 03:03:38,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 03:03:38,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:38,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 03:03:38,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:03:38,462 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand 8 states. [2020-11-28 03:03:39,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:39,081 INFO L93 Difference]: Finished difference Result 142 states and 221 transitions. [2020-11-28 03:03:39,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:03:39,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2020-11-28 03:03:39,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:39,085 INFO L225 Difference]: With dead ends: 142 [2020-11-28 03:03:39,085 INFO L226 Difference]: Without dead ends: 121 [2020-11-28 03:03:39,086 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-28 03:03:39,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-28 03:03:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 60. [2020-11-28 03:03:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-28 03:03:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 85 transitions. [2020-11-28 03:03:39,100 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 85 transitions. Word has length 22 [2020-11-28 03:03:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:39,101 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 85 transitions. [2020-11-28 03:03:39,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 03:03:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2020-11-28 03:03:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 03:03:39,102 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:39,103 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:39,103 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:03:39,103 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:39,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:39,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1296861074, now seen corresponding path program 1 times [2020-11-28 03:03:39,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:39,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413834523] [2020-11-28 03:03:39,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:39,162 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 03:03:39,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413834523] [2020-11-28 03:03:39,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:03:39,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:03:39,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913441840] [2020-11-28 03:03:39,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:03:39,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:39,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:03:39,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:03:39,165 INFO L87 Difference]: Start difference. First operand 60 states and 85 transitions. Second operand 3 states. [2020-11-28 03:03:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:39,179 INFO L93 Difference]: Finished difference Result 95 states and 136 transitions. [2020-11-28 03:03:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:03:39,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2020-11-28 03:03:39,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:39,180 INFO L225 Difference]: With dead ends: 95 [2020-11-28 03:03:39,180 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 03:03:39,181 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 03:03:39,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 03:03:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 03:03:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 03:03:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2020-11-28 03:03:39,190 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 23 [2020-11-28 03:03:39,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:39,190 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2020-11-28 03:03:39,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:03:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2020-11-28 03:03:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:03:39,191 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:03:39,192 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:03:39,192 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:03:39,192 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:03:39,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:03:39,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1471456368, now seen corresponding path program 1 times [2020-11-28 03:03:39,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:03:39,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553895827] [2020-11-28 03:03:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:03:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:39,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:39,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553895827] [2020-11-28 03:03:39,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549034133] [2020-11-28 03:03:39,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:03:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:03:39,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 03:03:39,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:03:39,495 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:03:39,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:03:39,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2020-11-28 03:03:39,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950552432] [2020-11-28 03:03:39,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:03:39,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:03:39,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:03:39,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:39,498 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand 4 states. [2020-11-28 03:03:39,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:03:39,605 INFO L93 Difference]: Finished difference Result 73 states and 100 transitions. [2020-11-28 03:03:39,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:03:39,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-28 03:03:39,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:03:39,607 INFO L225 Difference]: With dead ends: 73 [2020-11-28 03:03:39,607 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:03:39,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:03:39,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:03:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:03:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:03:39,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:03:39,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2020-11-28 03:03:39,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:03:39,608 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:03:39,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:03:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:03:39,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:03:39,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:03:39,811 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:03:40,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,406 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,406 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,406 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:03:40,407 INFO L277 CegarLoopResult]: At program point L848(lines 829 851) the Hoare annotation is: true [2020-11-28 03:03:40,407 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:03:40,407 INFO L274 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-11-28 03:03:40,407 INFO L270 CegarLoopResult]: At program point L237-1(lines 237 243) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,408 INFO L270 CegarLoopResult]: At program point L816(lines 812 818) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-11-28 03:03:40,408 INFO L270 CegarLoopResult]: At program point L106(lines 105 124) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,408 INFO L274 CegarLoopResult]: For program point L106-1(lines 106 112) no Hoare annotation was computed. [2020-11-28 03:03:40,408 INFO L270 CegarLoopResult]: At program point L106-2(lines 105 124) the Hoare annotation is: false [2020-11-28 03:03:40,408 INFO L270 CegarLoopResult]: At program point L106-3(lines 105 124) the Hoare annotation is: false [2020-11-28 03:03:40,408 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:03:40,408 INFO L270 CegarLoopResult]: At program point L768-2(lines 768 782) the Hoare annotation is: false [2020-11-28 03:03:40,409 INFO L274 CegarLoopResult]: For program point L257(lines 257 270) no Hoare annotation was computed. [2020-11-28 03:03:40,409 INFO L274 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-11-28 03:03:40,409 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,409 INFO L274 CegarLoopResult]: For program point L373(lines 373 386) no Hoare annotation was computed. [2020-11-28 03:03:40,409 INFO L270 CegarLoopResult]: At program point L373-1(lines 1 851) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1) (and (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~1 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) (<= 2 ~waterLevel~0) .cse0 .cse1))) [2020-11-28 03:03:40,409 INFO L274 CegarLoopResult]: For program point L373-2(lines 373 386) no Hoare annotation was computed. [2020-11-28 03:03:40,410 INFO L270 CegarLoopResult]: At program point L373-3(lines 1 851) the Hoare annotation is: false [2020-11-28 03:03:40,410 INFO L274 CegarLoopResult]: For program point L373-4(lines 373 386) no Hoare annotation was computed. [2020-11-28 03:03:40,410 INFO L270 CegarLoopResult]: At program point L373-5(lines 1 851) the Hoare annotation is: false [2020-11-28 03:03:40,410 INFO L270 CegarLoopResult]: At program point L76(lines 1 851) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0)) [2020-11-28 03:03:40,410 INFO L274 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:03:40,410 INFO L274 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:03:40,410 INFO L274 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L270 CegarLoopResult]: At program point L275(lines 226 276) the Hoare annotation is: false [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point L772(lines 772 776) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point L772-1(lines 106 112) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-11-28 03:03:40,411 INFO L274 CegarLoopResult]: For program point L46-2(line 46) no Hoare annotation was computed. [2020-11-28 03:03:40,412 INFO L270 CegarLoopResult]: At program point L360(lines 355 363) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,412 INFO L274 CegarLoopResult]: For program point L839(lines 839 846) no Hoare annotation was computed. [2020-11-28 03:03:40,412 INFO L270 CegarLoopResult]: At program point L360-1(lines 355 363) the Hoare annotation is: false [2020-11-28 03:03:40,412 INFO L270 CegarLoopResult]: At program point L360-2(lines 355 363) the Hoare annotation is: false [2020-11-28 03:03:40,412 INFO L277 CegarLoopResult]: At program point L839-1(lines 839 846) the Hoare annotation is: true [2020-11-28 03:03:40,412 INFO L274 CegarLoopResult]: For program point L228(lines 227 274) no Hoare annotation was computed. [2020-11-28 03:03:40,412 INFO L274 CegarLoopResult]: For program point L377(lines 377 383) no Hoare annotation was computed. [2020-11-28 03:03:40,413 INFO L274 CegarLoopResult]: For program point L377-2(lines 377 383) no Hoare annotation was computed. [2020-11-28 03:03:40,413 INFO L274 CegarLoopResult]: For program point L377-4(lines 377 383) no Hoare annotation was computed. [2020-11-28 03:03:40,413 INFO L270 CegarLoopResult]: At program point L113(lines 113 119) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,413 INFO L270 CegarLoopResult]: At program point L113-1(lines 113 119) the Hoare annotation is: false [2020-11-28 03:03:40,413 INFO L270 CegarLoopResult]: At program point L113-2(lines 113 119) the Hoare annotation is: false [2020-11-28 03:03:40,413 INFO L274 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-11-28 03:03:40,413 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:03:40,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:03:40,414 INFO L274 CegarLoopResult]: For program point L247(lines 247 253) no Hoare annotation was computed. [2020-11-28 03:03:40,414 INFO L270 CegarLoopResult]: At program point L247-1(lines 247 253) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,414 INFO L270 CegarLoopResult]: At program point L165(lines 160 168) the Hoare annotation is: false [2020-11-28 03:03:40,414 INFO L270 CegarLoopResult]: At program point L165-1(lines 160 168) the Hoare annotation is: false [2020-11-28 03:03:40,414 INFO L270 CegarLoopResult]: At program point L165-2(lines 160 168) the Hoare annotation is: false [2020-11-28 03:03:40,415 INFO L274 CegarLoopResult]: For program point L265(lines 265 269) no Hoare annotation was computed. [2020-11-28 03:03:40,415 INFO L270 CegarLoopResult]: At program point L265-2(lines 106 112) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~5 ~waterLevel~0) .cse0 .cse1 (<= 1 ~waterLevel~0)))) [2020-11-28 03:03:40,415 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-11-28 03:03:40,415 INFO L270 CegarLoopResult]: At program point L84(lines 79 87) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ~pumpRunning~0 0)) [2020-11-28 03:03:40,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:03:40 BoogieIcfgContainer [2020-11-28 03:03:40,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:03:40,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:03:40,462 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:03:40,462 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:03:40,463 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:03:37" (3/4) ... [2020-11-28 03:03:40,466 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:03:40,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:03:40,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:03:40,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:03:40,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:03:40,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:03:40,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:03:40,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:03:40,514 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 [2020-11-28 03:03:40,514 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 [2020-11-28 03:03:40,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:03:40,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,517 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,518 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,519 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,521 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 03:03:40,580 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f370bc73-ff40-47cf-b1c0-2b8f26e1f92f/bin/uautomizer/witness.graphml [2020-11-28 03:03:40,583 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:03:40,586 INFO L168 Benchmark]: Toolchain (without parser) took 4540.41 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 75.6 MB in the beginning and 52.5 MB in the end (delta: 23.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,586 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:40,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.94 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 76.2 MB in the end (delta: -777.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.40 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 73.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,588 INFO L168 Benchmark]: Boogie Preprocessor took 32.64 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 72.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:03:40,591 INFO L168 Benchmark]: RCFGBuilder took 829.33 ms. Allocated memory is still 109.1 MB. Free memory was 71.5 MB in the beginning and 73.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,592 INFO L168 Benchmark]: TraceAbstraction took 2881.64 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.4 MB in the beginning and 57.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,592 INFO L168 Benchmark]: Witness Printer took 121.69 ms. Allocated memory is still 132.1 MB. Free memory was 57.7 MB in the beginning and 52.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:03:40,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 31.7 MB in the beginning and 31.6 MB in the end (delta: 30.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 585.94 ms. Allocated memory is still 109.1 MB. Free memory was 75.4 MB in the beginning and 76.2 MB in the end (delta: -777.6 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 79.40 ms. Allocated memory is still 109.1 MB. Free memory was 76.2 MB in the beginning and 73.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.64 ms. Allocated memory is still 109.1 MB. Free memory was 73.5 MB in the beginning and 72.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 829.33 ms. Allocated memory is still 109.1 MB. Free memory was 71.5 MB in the beginning and 73.0 MB in the end (delta: -1.5 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2881.64 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 72.4 MB in the beginning and 57.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 48.4 MB. Max. memory is 16.1 GB. * Witness Printer took 121.69 ms. Allocated memory is still 132.1 MB. Free memory was 57.7 MB in the beginning and 52.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 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: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: (waterLevel == 1 && \result == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(tmp == 0) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((!(\result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((!(\result == 0) && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: waterLevel == 1 && pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) || ((((\result == waterLevel && tmp == waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == waterLevel) && tmp == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 293 SDslu, 280 SDs, 0 SdLazy, 84 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 25 PreInvPairs, 41 NumberOfFragments, 250 HoareAnnotationTreeSize, 25 FomulaSimplifications, 288 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 25 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 9184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 374 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 23/28 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...