./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.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_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/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 d243c5cece7784e202dce518871ac1b87d0254ec .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:06:22,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:06:22,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:06:22,713 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:06:22,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:06:22,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:06:22,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:06:22,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:06:22,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:06:22,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:06:22,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:06:22,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:06:22,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:06:22,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:06:22,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:06:22,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:06:22,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:06:22,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:06:22,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:06:22,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:06:22,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:06:22,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:06:22,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:06:22,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:06:22,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:06:22,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:06:22,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:06:22,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:06:22,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:06:22,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:06:22,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:06:22,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:06:22,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:06:22,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:06:22,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:06:22,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:06:22,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:06:22,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:06:22,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:06:22,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:06:22,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:06:22,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:06:22,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:06:22,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:06:22,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:06:22,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:06:22,818 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:06:22,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:06:22,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:06:22,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:06:22,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:06:22,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:06:22,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:06:22,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:06:22,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:06:22,821 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:06:22,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:06:22,822 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:06:22,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:06:22,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:06:22,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:06:22,823 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:06:22,823 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:06:22,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:22,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:06:22,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:06:22,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:06:22,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:06:22,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:06:22,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:06:22,825 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:06:22,826 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_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d243c5cece7784e202dce518871ac1b87d0254ec [2020-11-30 00:06:23,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:06:23,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:06:23,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:06:23,155 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:06:23,156 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:06:23,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2020-11-30 00:06:23,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/data/646d0499f/a6dceab68eaf47bfadd60ee2b75b9152/FLAG73800e42c [2020-11-30 00:06:23,913 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:06:23,914 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/sv-benchmarks/c/product-lines/minepump_spec4_product27.cil.c [2020-11-30 00:06:23,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/data/646d0499f/a6dceab68eaf47bfadd60ee2b75b9152/FLAG73800e42c [2020-11-30 00:06:24,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/data/646d0499f/a6dceab68eaf47bfadd60ee2b75b9152 [2020-11-30 00:06:24,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:06:24,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:06:24,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:24,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:06:24,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:06:24,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b08a7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24, skipping insertion in model container [2020-11-30 00:06:24,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:06:24,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:06:24,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:24,621 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:06:24,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:06:24,766 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:06:24,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24 WrapperNode [2020-11-30 00:06:24,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:06:24,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:06:24,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:06:24,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:06:24,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,794 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:06:24,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:06:24,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:06:24,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:06:24,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... [2020-11-30 00:06:24,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:06:24,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:06:24,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:06:24,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:06:24,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:06:24,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:06:24,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:06:24,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:06:26,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:06:26,028 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-30 00:06:26,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:26 BoogieIcfgContainer [2020-11-30 00:06:26,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:06:26,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:06:26,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:06:26,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:06:26,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:06:24" (1/3) ... [2020-11-30 00:06:26,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd0abb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:26, skipping insertion in model container [2020-11-30 00:06:26,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:06:24" (2/3) ... [2020-11-30 00:06:26,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd0abb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:06:26, skipping insertion in model container [2020-11-30 00:06:26,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:26" (3/3) ... [2020-11-30 00:06:26,041 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27.cil.c [2020-11-30 00:06:26,054 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:06:26,059 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-30 00:06:26,074 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-30 00:06:26,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:06:26,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:06:26,119 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:06:26,119 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:06:26,119 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:06:26,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:06:26,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:06:26,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:06:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-11-30 00:06:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 00:06:26,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:26,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:26,146 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:26,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:26,152 INFO L82 PathProgramCache]: Analyzing trace with hash 91881395, now seen corresponding path program 1 times [2020-11-30 00:06:26,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:26,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163289879] [2020-11-30 00:06:26,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:26,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163289879] [2020-11-30 00:06:26,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:26,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:26,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929943106] [2020-11-30 00:06:26,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:06:26,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:26,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:06:26,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:06:26,478 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-11-30 00:06:26,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:26,544 INFO L93 Difference]: Finished difference Result 151 states and 224 transitions. [2020-11-30 00:06:26,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:06:26,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-11-30 00:06:26,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:26,560 INFO L225 Difference]: With dead ends: 151 [2020-11-30 00:06:26,561 INFO L226 Difference]: Without dead ends: 73 [2020-11-30 00:06:26,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:06:26,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-30 00:06:26,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-30 00:06:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-30 00:06:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2020-11-30 00:06:26,630 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 16 [2020-11-30 00:06:26,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:26,630 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2020-11-30 00:06:26,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:06:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2020-11-30 00:06:26,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 00:06:26,633 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:26,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:26,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:06:26,634 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:26,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:26,635 INFO L82 PathProgramCache]: Analyzing trace with hash -954875502, now seen corresponding path program 1 times [2020-11-30 00:06:26,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:26,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993016503] [2020-11-30 00:06:26,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:26,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993016503] [2020-11-30 00:06:26,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:26,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-30 00:06:26,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668650551] [2020-11-30 00:06:26,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:26,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:26,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:26,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:26,748 INFO L87 Difference]: Start difference. First operand 73 states and 102 transitions. Second operand 3 states. [2020-11-30 00:06:26,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:26,760 INFO L93 Difference]: Finished difference Result 73 states and 102 transitions. [2020-11-30 00:06:26,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:26,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-11-30 00:06:26,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:26,762 INFO L225 Difference]: With dead ends: 73 [2020-11-30 00:06:26,762 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:06:26,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:26,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:06:26,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:06:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:06:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2020-11-30 00:06:26,769 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 17 [2020-11-30 00:06:26,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:26,770 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2020-11-30 00:06:26,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2020-11-30 00:06:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 00:06:26,771 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:26,771 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] [2020-11-30 00:06:26,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:06:26,772 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:26,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1451070739, now seen corresponding path program 1 times [2020-11-30 00:06:26,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:26,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008342982] [2020-11-30 00:06:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:26,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008342982] [2020-11-30 00:06:26,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:26,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:06:26,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675649245] [2020-11-30 00:06:26,893 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-30 00:06:26,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:26,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-30 00:06:26,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:26,895 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2020-11-30 00:06:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:26,915 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2020-11-30 00:06:26,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-30 00:06:26,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2020-11-30 00:06:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:26,917 INFO L225 Difference]: With dead ends: 93 [2020-11-30 00:06:26,918 INFO L226 Difference]: Without dead ends: 64 [2020-11-30 00:06:26,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-30 00:06:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-11-30 00:06:26,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 60. [2020-11-30 00:06:26,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-11-30 00:06:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions. [2020-11-30 00:06:26,937 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 22 [2020-11-30 00:06:26,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:26,937 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 87 transitions. [2020-11-30 00:06:26,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-30 00:06:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2020-11-30 00:06:26,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-30 00:06:26,938 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:26,938 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] [2020-11-30 00:06:26,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-30 00:06:26,938 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:26,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:26,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1281905457, now seen corresponding path program 1 times [2020-11-30 00:06:26,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:26,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601104451] [2020-11-30 00:06:26,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:27,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601104451] [2020-11-30 00:06:27,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:27,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-30 00:06:27,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173107675] [2020-11-30 00:06:27,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:06:27,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:27,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:06:27,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-30 00:06:27,052 INFO L87 Difference]: Start difference. First operand 60 states and 87 transitions. Second operand 6 states. [2020-11-30 00:06:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:27,401 INFO L93 Difference]: Finished difference Result 356 states and 545 transitions. [2020-11-30 00:06:27,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 00:06:27,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2020-11-30 00:06:27,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:27,406 INFO L225 Difference]: With dead ends: 356 [2020-11-30 00:06:27,409 INFO L226 Difference]: Without dead ends: 302 [2020-11-30 00:06:27,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2020-11-30 00:06:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-11-30 00:06:27,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 106. [2020-11-30 00:06:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-11-30 00:06:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 155 transitions. [2020-11-30 00:06:27,452 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 155 transitions. Word has length 23 [2020-11-30 00:06:27,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:27,453 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 155 transitions. [2020-11-30 00:06:27,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:06:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 155 transitions. [2020-11-30 00:06:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-30 00:06:27,457 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:06:27,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:06:27,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-30 00:06:27,458 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:06:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:06:27,458 INFO L82 PathProgramCache]: Analyzing trace with hash -597226253, now seen corresponding path program 1 times [2020-11-30 00:06:27,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:06:27,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478467619] [2020-11-30 00:06:27,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:06:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:06:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:06:27,587 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478467619] [2020-11-30 00:06:27,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:06:27,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-30 00:06:27,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924555291] [2020-11-30 00:06:27,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-30 00:06:27,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:06:27,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-30 00:06:27,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-30 00:06:27,589 INFO L87 Difference]: Start difference. First operand 106 states and 155 transitions. Second operand 5 states. [2020-11-30 00:06:27,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:06:27,683 INFO L93 Difference]: Finished difference Result 304 states and 459 transitions. [2020-11-30 00:06:27,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 00:06:27,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-30 00:06:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:06:27,685 INFO L225 Difference]: With dead ends: 304 [2020-11-30 00:06:27,686 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 00:06:27,687 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-30 00:06:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 00:06:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 00:06:27,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 00:06:27,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 00:06:27,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2020-11-30 00:06:27,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:06:27,688 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:06:27,688 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-30 00:06:27,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:06:27,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:06:27,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-30 00:06:27,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 00:06:28,050 INFO L274 CegarLoopResult]: For program point L217(lines 217 221) no Hoare annotation was computed. [2020-11-30 00:06:28,050 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,050 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,050 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,050 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L274 CegarLoopResult]: For program point L317(lines 317 330) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L274 CegarLoopResult]: For program point L169(lines 169 175) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L274 CegarLoopResult]: For program point L169-2(lines 169 175) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L274 CegarLoopResult]: For program point L169-4(lines 169 175) no Hoare annotation was computed. [2020-11-30 00:06:28,051 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-30 00:06:28,051 INFO L270 CegarLoopResult]: At program point L335(lines 286 336) the Hoare annotation is: false [2020-11-30 00:06:28,052 INFO L274 CegarLoopResult]: For program point L385(lines 385 402) no Hoare annotation was computed. [2020-11-30 00:06:28,052 INFO L274 CegarLoopResult]: For program point L385-1(lines 385 402) no Hoare annotation was computed. [2020-11-30 00:06:28,052 INFO L274 CegarLoopResult]: For program point L385-2(lines 385 402) no Hoare annotation was computed. [2020-11-30 00:06:28,052 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-30 00:06:28,052 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:06:28,052 INFO L270 CegarLoopResult]: At program point L353(lines 352 371) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,052 INFO L274 CegarLoopResult]: For program point L353-1(lines 353 359) no Hoare annotation was computed. [2020-11-30 00:06:28,053 INFO L270 CegarLoopResult]: At program point L353-2(lines 352 371) the Hoare annotation is: false [2020-11-30 00:06:28,053 INFO L270 CegarLoopResult]: At program point L353-3(lines 352 371) the Hoare annotation is: false [2020-11-30 00:06:28,053 INFO L270 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: false [2020-11-30 00:06:28,053 INFO L270 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2020-11-30 00:06:28,053 INFO L274 CegarLoopResult]: For program point L205(lines 205 209) no Hoare annotation was computed. [2020-11-30 00:06:28,053 INFO L270 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2020-11-30 00:06:28,053 INFO L274 CegarLoopResult]: For program point L519(lines 519 525) no Hoare annotation was computed. [2020-11-30 00:06:28,054 INFO L270 CegarLoopResult]: At program point L519-1(lines 519 525) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,054 INFO L274 CegarLoopResult]: For program point L288(lines 287 334) no Hoare annotation was computed. [2020-11-30 00:06:28,054 INFO L270 CegarLoopResult]: At program point L553(lines 1 930) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:06:28,054 INFO L274 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2020-11-30 00:06:28,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 00:06:28,054 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-30 00:06:28,054 INFO L274 CegarLoopResult]: For program point L58-1(lines 353 359) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L277 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L389-1(lines 389 397) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L270 CegarLoopResult]: At program point L323-1(lines 353 359) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L505(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,055 INFO L274 CegarLoopResult]: For program point L505-2(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point L505-3(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point L505-5(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point L307(lines 307 313) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point L505-6(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,056 INFO L270 CegarLoopResult]: At program point L307-1(lines 307 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,056 INFO L274 CegarLoopResult]: For program point L505-8(lines 505 509) no Hoare annotation was computed. [2020-11-30 00:06:28,057 INFO L270 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,057 INFO L270 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2020-11-30 00:06:28,057 INFO L270 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2020-11-30 00:06:28,057 INFO L274 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-11-30 00:06:28,057 INFO L274 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-11-30 00:06:28,057 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 00:06:28,057 INFO L274 CegarLoopResult]: For program point L193-6(lines 193 197) no Hoare annotation was computed. [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L360(lines 360 366) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L360-1(lines 360 366) the Hoare annotation is: false [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L360-2(lines 360 366) the Hoare annotation is: false [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L262(lines 257 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L262-1(lines 257 265) the Hoare annotation is: false [2020-11-30 00:06:28,058 INFO L270 CegarLoopResult]: At program point L262-2(lines 257 265) the Hoare annotation is: false [2020-11-30 00:06:28,058 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 00:06:28,059 INFO L270 CegarLoopResult]: At program point L511(lines 496 514) the Hoare annotation is: false [2020-11-30 00:06:28,059 INFO L270 CegarLoopResult]: At program point L511-1(lines 496 514) the Hoare annotation is: false [2020-11-30 00:06:28,059 INFO L270 CegarLoopResult]: At program point L511-2(lines 496 514) the Hoare annotation is: false [2020-11-30 00:06:28,059 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 00:06:28,059 INFO L270 CegarLoopResult]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~waterLevel~0 ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-11-30 00:06:28,059 INFO L274 CegarLoopResult]: For program point L297(lines 297 303) no Hoare annotation was computed. [2020-11-30 00:06:28,059 INFO L270 CegarLoopResult]: At program point L297-1(lines 297 303) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,060 INFO L274 CegarLoopResult]: For program point L165(lines 165 178) no Hoare annotation was computed. [2020-11-30 00:06:28,060 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-11-30 00:06:28,060 INFO L270 CegarLoopResult]: At program point L165-1(lines 1 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-30 00:06:28,060 INFO L274 CegarLoopResult]: For program point L165-2(lines 165 178) no Hoare annotation was computed. [2020-11-30 00:06:28,060 INFO L277 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2020-11-30 00:06:28,060 INFO L270 CegarLoopResult]: At program point L165-3(lines 1 930) the Hoare annotation is: false [2020-11-30 00:06:28,060 INFO L274 CegarLoopResult]: For program point L165-4(lines 165 178) no Hoare annotation was computed. [2020-11-30 00:06:28,061 INFO L270 CegarLoopResult]: At program point L165-5(lines 1 930) the Hoare annotation is: false [2020-11-30 00:06:28,061 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-30 00:06:28,061 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-11-30 00:06:28,061 INFO L274 CegarLoopResult]: For program point L150-2(line 150) no Hoare annotation was computed. [2020-11-30 00:06:28,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:06:28 BoogieIcfgContainer [2020-11-30 00:06:28,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:06:28,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:06:28,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:06:28,094 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:06:28,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:06:26" (3/4) ... [2020-11-30 00:06:28,098 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:06:28,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-30 00:06:28,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-30 00:06:28,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:06:28,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-30 00:06:28,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-30 00:06:28,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:06:28,130 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 00:06:28,163 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2020-11-30 00:06:28,258 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e35aa6d3-278d-4a1f-a1fe-e5afa8359260/bin/uautomizer/witness.graphml [2020-11-30 00:06:28,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:06:28,261 INFO L168 Benchmark]: Toolchain (without parser) took 4056.99 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 69.7 MB in the beginning and 84.4 MB in the end (delta: -14.7 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,261 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:06:28,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 561.06 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 69.1 MB in the end (delta: 505.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.43 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 66.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,263 INFO L168 Benchmark]: Boogie Preprocessor took 42.91 ms. Allocated memory is still 102.8 MB. Free memory was 66.0 MB in the beginning and 64.0 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:06:28,263 INFO L168 Benchmark]: RCFGBuilder took 1157.32 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 56.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,264 INFO L168 Benchmark]: TraceAbstraction took 2061.38 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 55.7 MB in the beginning and 90.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,264 INFO L168 Benchmark]: Witness Printer took 164.40 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 84.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:06:28,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 73.4 MB. Free memory was 34.1 MB in the beginning and 34.0 MB in the end (delta: 36.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 561.06 ms. Allocated memory is still 102.8 MB. Free memory was 69.6 MB in the beginning and 69.1 MB in the end (delta: 505.4 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.43 ms. Allocated memory is still 102.8 MB. Free memory was 69.1 MB in the beginning and 66.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.91 ms. Allocated memory is still 102.8 MB. Free memory was 66.0 MB in the beginning and 64.0 MB in the end (delta: 2.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1157.32 ms. Allocated memory is still 102.8 MB. Free memory was 64.0 MB in the beginning and 56.3 MB in the end (delta: 7.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2061.38 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 55.7 MB in the beginning and 90.7 MB in the end (delta: -35.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 16.1 GB. * Witness Printer took 164.40 ms. Allocated memory is still 127.9 MB. Free memory was 90.7 MB in the beginning and 84.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 353]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == systemActive && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 324 SDtfs, 415 SDslu, 488 SDs, 0 SdLazy, 115 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred in iteration=4, 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, 200 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 120 NumberOfFragments, 116 HoareAnnotationTreeSize, 32 FomulaSimplifications, 3996 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4565 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...