./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.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_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/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 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 .................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:57:49,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:57:49,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:57:49,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:57:49,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:57:49,789 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:57:49,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:57:49,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:57:49,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:57:49,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:57:49,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:57:49,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:57:49,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:57:49,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:57:49,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:57:49,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:57:49,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:57:49,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:57:49,808 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:57:49,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:57:49,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:57:49,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:57:49,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:57:49,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:57:49,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:57:49,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:57:49,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:57:49,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:57:49,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:57:49,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:57:49,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:57:49,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:57:49,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:57:49,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:57:49,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:57:49,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:57:49,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:57:49,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:57:49,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:57:49,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:57:49,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:57:49,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:57:49,860 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:57:49,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:57:49,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:57:49,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:57:49,865 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:57:49,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:57:49,866 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:57:49,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:57:49,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:57:49,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:57:49,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:57:49,868 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:57:49,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:57:49,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:57:49,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:57:49,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:57:49,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:57:49,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:57:49,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:57:49,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:57:49,870 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:57:49,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:57:49,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:57:49,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:57:49,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:57:49,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:57:49,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:57:49,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:57:49,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:57:49,872 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_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 [2020-11-28 02:57:50,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:57:50,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:57:50,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:57:50,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:57:50,204 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:57:50,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-11-28 02:57:50,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/data/563af04af/7cf864f0c1f44be88025f107f06bba2b/FLAG08db151b7 [2020-11-28 02:57:50,742 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:57:50,743 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-11-28 02:57:50,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/data/563af04af/7cf864f0c1f44be88025f107f06bba2b/FLAG08db151b7 [2020-11-28 02:57:51,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/data/563af04af/7cf864f0c1f44be88025f107f06bba2b [2020-11-28 02:57:51,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:57:51,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:57:51,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:51,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:57:51,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:57:51,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad42886 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51, skipping insertion in model container [2020-11-28 02:57:51,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:57:51,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:57:51,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:51,475 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:57:51,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:57:51,578 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:57:51,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51 WrapperNode [2020-11-28 02:57:51,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:57:51,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:51,580 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:57:51,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:57:51,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:57:51,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:57:51,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:57:51,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:57:51,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... [2020-11-28 02:57:51,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:57:51,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:57:51,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:57:51,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:57:51,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/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 02:57:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:57:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:57:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:57:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:57:52,846 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:57:52,854 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-28 02:57:52,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52 BoogieIcfgContainer [2020-11-28 02:57:52,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:57:52,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:57:52,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:57:52,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:57:52,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:57:51" (1/3) ... [2020-11-28 02:57:52,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f6282e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:52, skipping insertion in model container [2020-11-28 02:57:52,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:57:51" (2/3) ... [2020-11-28 02:57:52,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15f6282e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:57:52, skipping insertion in model container [2020-11-28 02:57:52,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52" (3/3) ... [2020-11-28 02:57:52,868 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-11-28 02:57:52,879 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:57:52,883 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:57:52,894 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:57:52,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:57:52,915 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:57:52,915 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:57:52,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:57:52,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:57:52,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:57:52,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:57:52,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:57:52,930 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-28 02:57:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:57:52,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:52,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:52,937 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:52,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:52,942 INFO L82 PathProgramCache]: Analyzing trace with hash 485436412, now seen corresponding path program 1 times [2020-11-28 02:57:52,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:52,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19989757] [2020-11-28 02:57:52,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,173 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 02:57:53,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19989757] [2020-11-28 02:57:53,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:57:53,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631709170] [2020-11-28 02:57:53,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:57:53,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:57:53,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:57:53,195 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 2 states. [2020-11-28 02:57:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:53,217 INFO L93 Difference]: Finished difference Result 123 states and 182 transitions. [2020-11-28 02:57:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:57:53,218 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:57:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:53,227 INFO L225 Difference]: With dead ends: 123 [2020-11-28 02:57:53,227 INFO L226 Difference]: Without dead ends: 59 [2020-11-28 02:57:53,231 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 02:57:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-28 02:57:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-28 02:57:53,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-28 02:57:53,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-28 02:57:53,269 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2020-11-28 02:57:53,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:53,270 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-28 02:57:53,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:57:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2020-11-28 02:57:53,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:57:53,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:53,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:57:53,272 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:53,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,273 INFO L82 PathProgramCache]: Analyzing trace with hash -425594341, now seen corresponding path program 1 times [2020-11-28 02:57:53,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987765062] [2020-11-28 02:57:53,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,379 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 02:57:53,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987765062] [2020-11-28 02:57:53,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:57:53,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411314231] [2020-11-28 02:57:53,382 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:57:53,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:57:53,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:57:53,383 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2020-11-28 02:57:53,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:53,393 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2020-11-28 02:57:53,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:57:53,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:57:53,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:53,398 INFO L225 Difference]: With dead ends: 59 [2020-11-28 02:57:53,398 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 02:57:53,399 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 02:57:53,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 02:57:53,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-28 02:57:53,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-28 02:57:53,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2020-11-28 02:57:53,404 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2020-11-28 02:57:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:53,404 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2020-11-28 02:57:53,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:57:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2020-11-28 02:57:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:57:53,405 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,405 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:53,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:57:53,406 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:53,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,407 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2020-11-28 02:57:53,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439964442] [2020-11-28 02:57:53,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:57:53,576 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 02:57:53,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439964442] [2020-11-28 02:57:53,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:57:53,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:57:53,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783179230] [2020-11-28 02:57:53,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:57:53,578 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:57:53,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:57:53,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:57:53,579 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2020-11-28 02:57:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:57:53,735 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2020-11-28 02:57:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:57:53,736 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 02:57:53,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:57:53,738 INFO L225 Difference]: With dead ends: 130 [2020-11-28 02:57:53,738 INFO L226 Difference]: Without dead ends: 107 [2020-11-28 02:57:53,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-11-28 02:57:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-28 02:57:53,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2020-11-28 02:57:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-11-28 02:57:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2020-11-28 02:57:53,765 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2020-11-28 02:57:53,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:57:53,766 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2020-11-28 02:57:53,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:57:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2020-11-28 02:57:53,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 02:57:53,768 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:57:53,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:57:53,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:57:53,768 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:57:53,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:57:53,769 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2020-11-28 02:57:53,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:57:53,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548123010] [2020-11-28 02:57:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:57:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:53,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:57:53,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:57:54,036 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:57:54,037 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 02:57:54,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:57:54,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:57:54 BoogieIcfgContainer [2020-11-28 02:57:54,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:57:54,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:57:54,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:57:54,153 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:57:54,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:57:52" (3/4) ... [2020-11-28 02:57:54,155 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 02:57:54,265 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8d2ceb7b-3cc8-489d-b055-f2751ac5584e/bin/uautomizer/witness.graphml [2020-11-28 02:57:54,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:57:54,267 INFO L168 Benchmark]: Toolchain (without parser) took 3174.61 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 58.6 MB in the beginning and 49.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,270 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:57:54,271 INFO L168 Benchmark]: CACSL2BoogieTranslator took 482.15 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 61.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.57 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 58.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,272 INFO L168 Benchmark]: Boogie Preprocessor took 52.34 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,273 INFO L168 Benchmark]: RCFGBuilder took 1162.08 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.8 MB in the beginning and 92.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,273 INFO L168 Benchmark]: TraceAbstraction took 1293.06 ms. Allocated memory is still 121.6 MB. Free memory was 92.2 MB in the beginning and 59.4 MB in the end (delta: 32.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,274 INFO L168 Benchmark]: Witness Printer took 113.18 ms. Allocated memory is still 121.6 MB. Free memory was 59.4 MB in the beginning and 49.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:57:54,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.2 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 482.15 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 61.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.57 ms. Allocated memory is still 94.4 MB. Free memory was 61.5 MB in the beginning and 58.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.34 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 56.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1162.08 ms. Allocated memory was 94.4 MB in the beginning and 121.6 MB in the end (delta: 27.3 MB). Free memory was 56.8 MB in the beginning and 92.2 MB in the end (delta: -35.4 MB). Peak memory consumption was 21.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1293.06 ms. Allocated memory is still 121.6 MB. Free memory was 92.2 MB in the beginning and 59.4 MB in the end (delta: 32.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. * Witness Printer took 113.18 ms. Allocated memory is still 121.6 MB. Free memory was 59.4 MB in the beginning and 49.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L405] int waterLevel = 1; [L406] int methaneLevelCritical = 0; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L382] int retValue_acc ; [L383] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L389] tmp = valid_product() [L391] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L171] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] tmp = __VERIFIER_nondet_int() [L181] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L423] COND TRUE waterLevel < 2 [L424] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L58] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L444] int retValue_acc ; [L447] retValue_acc = methaneLevelCritical [L448] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] tmp = isMethaneLevelCritical() [L275] COND FALSE !(\read(tmp)) [L476] int retValue_acc ; [L479] retValue_acc = waterLevel [L480] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L279] tmp___0 = getWaterLevel() [L281] COND TRUE tmp___0 == 2 [L113] int retValue_acc ; [L116] retValue_acc = pumpRunning [L117] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L283] tmp___1 = isPumpRunning() [L285] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product01.cil.c", 3, "reach_error") VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 66 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 incorrect! Received shutdown request...