./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC --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 279357cdff3b7ff6c36fde0d2621d7e10ac1647b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:28:33,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:28:33,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:28:33,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:28:33,719 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:28:33,720 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:28:33,722 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:28:33,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:28:33,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:28:33,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:28:33,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:28:33,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:28:33,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:28:33,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:28:33,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:28:33,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:28:33,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:28:33,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:28:33,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:28:33,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:28:33,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:28:33,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:28:33,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:28:33,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:28:33,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:28:33,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:28:33,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:28:33,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:28:33,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:28:33,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:28:33,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:28:33,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:28:33,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:28:33,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:28:33,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:28:33,773 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:28:33,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:28:33,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:28:33,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:28:33,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:28:33,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:28:33,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:28:33,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:28:33,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:28:33,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:28:33,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:28:33,817 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:28:33,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:28:33,818 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:28:33,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:28:33,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:28:33,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:28:33,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:28:33,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:28:33,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:28:33,820 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:28:33,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:28:33,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:28:33,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:28:33,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:28:33,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:28:33,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:28:33,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:28:33,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:28:33,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:28:33,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:28:33,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:28:33,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:28:33,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:28:33,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:28:33,824 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_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 279357cdff3b7ff6c36fde0d2621d7e10ac1647b [2021-10-11 00:28:34,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:28:34,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:28:34,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:28:34,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:28:34,089 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:28:34,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-11 00:28:34,173 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/data/1093db803/bf286be428c6490ca39837e046830f1d/FLAG828aa0553 [2021-10-11 00:28:34,745 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:28:34,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c [2021-10-11 00:28:34,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/data/1093db803/bf286be428c6490ca39837e046830f1d/FLAG828aa0553 [2021-10-11 00:28:35,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/data/1093db803/bf286be428c6490ca39837e046830f1d [2021-10-11 00:28:35,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:28:35,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:28:35,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:35,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:28:35,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:28:35,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3029f848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35, skipping insertion in model container [2021-10-11 00:28:35,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:28:35,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:28:35,311 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5102,5115] [2021-10-11 00:28:35,396 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:35,408 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:28:35,460 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/sv-benchmarks/c/product-lines/minepump_spec2_product26.cil.c[5102,5115] [2021-10-11 00:28:35,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:28:35,549 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:28:35,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35 WrapperNode [2021-10-11 00:28:35,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:28:35,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:28:35,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:28:35,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:28:35,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:28:35,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:28:35,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:28:35,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:28:35,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... [2021-10-11 00:28:35,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:28:35,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:28:35,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:28:35,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:28:35,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:28:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:28:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:28:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:28:35,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:28:36,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:28:36,760 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 00:28:36,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:36 BoogieIcfgContainer [2021-10-11 00:28:36,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:28:36,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:28:36,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:28:36,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:28:36,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:28:35" (1/3) ... [2021-10-11 00:28:36,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea2561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:36, skipping insertion in model container [2021-10-11 00:28:36,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:28:35" (2/3) ... [2021-10-11 00:28:36,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea2561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:28:36, skipping insertion in model container [2021-10-11 00:28:36,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:36" (3/3) ... [2021-10-11 00:28:36,774 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product26.cil.c [2021-10-11 00:28:36,787 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:28:36,791 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:28:36,802 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:28:36,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:28:36,826 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:28:36,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:28:36,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:28:36,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:28:36,827 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:28:36,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:28:36,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:28:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states. [2021-10-11 00:28:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:28:36,848 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:36,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:36,849 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:36,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash -139589629, now seen corresponding path program 1 times [2021-10-11 00:28:36,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:36,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999614651] [2021-10-11 00:28:36,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:37,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:37,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999614651] [2021-10-11 00:28:37,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:37,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:28:37,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566845876] [2021-10-11 00:28:37,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:28:37,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:37,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:28:37,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:28:37,239 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 2 states. [2021-10-11 00:28:37,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:37,277 INFO L93 Difference]: Finished difference Result 151 states and 228 transitions. [2021-10-11 00:28:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:28:37,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:28:37,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:37,302 INFO L225 Difference]: With dead ends: 151 [2021-10-11 00:28:37,307 INFO L226 Difference]: Without dead ends: 75 [2021-10-11 00:28:37,311 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 [2021-10-11 00:28:37,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-11 00:28:37,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-11 00:28:37,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2021-10-11 00:28:37,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 106 transitions. [2021-10-11 00:28:37,350 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 106 transitions. Word has length 18 [2021-10-11 00:28:37,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:37,350 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 106 transitions. [2021-10-11 00:28:37,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:28:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 106 transitions. [2021-10-11 00:28:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:28:37,352 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:37,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:37,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:28:37,353 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:37,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:37,353 INFO L82 PathProgramCache]: Analyzing trace with hash 221130307, now seen corresponding path program 1 times [2021-10-11 00:28:37,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:37,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528349059] [2021-10-11 00:28:37,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:37,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528349059] [2021-10-11 00:28:37,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:37,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:37,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734506465] [2021-10-11 00:28:37,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:37,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:37,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:37,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:37,484 INFO L87 Difference]: Start difference. First operand 75 states and 106 transitions. Second operand 3 states. [2021-10-11 00:28:37,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:37,499 INFO L93 Difference]: Finished difference Result 75 states and 106 transitions. [2021-10-11 00:28:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:37,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:28:37,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:37,503 INFO L225 Difference]: With dead ends: 75 [2021-10-11 00:28:37,503 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:28:37,504 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 [2021-10-11 00:28:37,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:28:37,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:28:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:28:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2021-10-11 00:28:37,513 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 49 transitions. Word has length 19 [2021-10-11 00:28:37,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:37,513 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 49 transitions. [2021-10-11 00:28:37,513 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 49 transitions. [2021-10-11 00:28:37,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:28:37,515 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:37,515 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] [2021-10-11 00:28:37,515 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:28:37,515 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:37,516 INFO L82 PathProgramCache]: Analyzing trace with hash -716043337, now seen corresponding path program 1 times [2021-10-11 00:28:37,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:37,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708416862] [2021-10-11 00:28:37,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:37,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708416862] [2021-10-11 00:28:37,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:37,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:28:37,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090909396] [2021-10-11 00:28:37,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:28:37,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:37,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:37,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:37,601 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. Second operand 3 states. [2021-10-11 00:28:37,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:37,622 INFO L93 Difference]: Finished difference Result 63 states and 91 transitions. [2021-10-11 00:28:37,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:28:37,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:28:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:37,626 INFO L225 Difference]: With dead ends: 63 [2021-10-11 00:28:37,627 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 00:28:37,627 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 [2021-10-11 00:28:37,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 00:28:37,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2021-10-11 00:28:37,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2021-10-11 00:28:37,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2021-10-11 00:28:37,635 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 24 [2021-10-11 00:28:37,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:37,636 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2021-10-11 00:28:37,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:28:37,636 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2021-10-11 00:28:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:28:37,640 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:37,640 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] [2021-10-11 00:28:37,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:28:37,640 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:37,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:37,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1023539591, now seen corresponding path program 1 times [2021-10-11 00:28:37,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:37,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162212520] [2021-10-11 00:28:37,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:37,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162212520] [2021-10-11 00:28:37,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:37,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:37,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530384013] [2021-10-11 00:28:37,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:37,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:37,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:37,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:37,799 INFO L87 Difference]: Start difference. First operand 35 states and 48 transitions. Second operand 5 states. [2021-10-11 00:28:37,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:37,926 INFO L93 Difference]: Finished difference Result 154 states and 228 transitions. [2021-10-11 00:28:37,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:28:37,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:28:37,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:37,932 INFO L225 Difference]: With dead ends: 154 [2021-10-11 00:28:37,933 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 00:28:37,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:28:37,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 00:28:37,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 58. [2021-10-11 00:28:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-10-11 00:28:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 81 transitions. [2021-10-11 00:28:37,959 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 81 transitions. Word has length 25 [2021-10-11 00:28:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:37,960 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 81 transitions. [2021-10-11 00:28:37,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2021-10-11 00:28:37,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:28:37,961 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:28:37,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:28:37,962 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:28:37,962 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:28:37,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:28:37,963 INFO L82 PathProgramCache]: Analyzing trace with hash -917769487, now seen corresponding path program 1 times [2021-10-11 00:28:37,963 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:28:37,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952808298] [2021-10-11 00:28:37,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:28:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:28:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:38,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952808298] [2021-10-11 00:28:38,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:28:38,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:28:38,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708935972] [2021-10-11 00:28:38,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:28:38,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:38,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:28:38,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:28:38,075 INFO L87 Difference]: Start difference. First operand 58 states and 81 transitions. Second operand 5 states. [2021-10-11 00:28:38,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:38,164 INFO L93 Difference]: Finished difference Result 150 states and 218 transitions. [2021-10-11 00:28:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:28:38,165 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:28:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:28:38,165 INFO L225 Difference]: With dead ends: 150 [2021-10-11 00:28:38,165 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:28:38,167 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 [2021-10-11 00:28:38,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:28:38,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:28:38,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:28:38,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:38,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 00:28:38,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:28:38,168 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:38,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:28:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:38,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:28:38,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:28:38,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:28:38,454 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,455 INFO L262 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2021-10-11 00:28:38,455 INFO L262 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2021-10-11 00:28:38,455 INFO L262 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2021-10-11 00:28:38,455 INFO L262 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2021-10-11 00:28:38,455 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:28:38,456 INFO L258 CegarLoopResult]: At program point L185(lines 181 187) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:28:38,456 INFO L265 CegarLoopResult]: At program point L219(lines 200 222) the Hoare annotation is: true [2021-10-11 00:28:38,456 INFO L262 CegarLoopResult]: For program point L913(lines 913 926) no Hoare annotation was computed. [2021-10-11 00:28:38,456 INFO L262 CegarLoopResult]: For program point L104(lines 104 114) no Hoare annotation was computed. [2021-10-11 00:28:38,457 INFO L262 CegarLoopResult]: For program point L104-2(lines 104 114) no Hoare annotation was computed. [2021-10-11 00:28:38,457 INFO L262 CegarLoopResult]: For program point L104-4(lines 104 114) no Hoare annotation was computed. [2021-10-11 00:28:38,457 INFO L262 CegarLoopResult]: For program point L138(lines 138 142) no Hoare annotation was computed. [2021-10-11 00:28:38,457 INFO L262 CegarLoopResult]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-10-11 00:28:38,457 INFO L262 CegarLoopResult]: For program point L138-1(lines 702 708) no Hoare annotation was computed. [2021-10-11 00:28:38,458 INFO L262 CegarLoopResult]: For program point L105-2(lines 105 111) no Hoare annotation was computed. [2021-10-11 00:28:38,458 INFO L262 CegarLoopResult]: For program point L105-4(lines 105 111) no Hoare annotation was computed. [2021-10-11 00:28:38,458 INFO L258 CegarLoopResult]: At program point L931(lines 882 932) the Hoare annotation is: false [2021-10-11 00:28:38,458 INFO L258 CegarLoopResult]: At program point L89(lines 84 91) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:28:38,458 INFO L258 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,459 INFO L258 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2021-10-11 00:28:38,459 INFO L258 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2021-10-11 00:28:38,459 INFO L262 CegarLoopResult]: For program point L321(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,459 INFO L262 CegarLoopResult]: For program point L321-1(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,459 INFO L262 CegarLoopResult]: For program point L321-2(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,460 INFO L262 CegarLoopResult]: For program point L734(lines 734 751) no Hoare annotation was computed. [2021-10-11 00:28:38,460 INFO L262 CegarLoopResult]: For program point L734-1(lines 734 751) no Hoare annotation was computed. [2021-10-11 00:28:38,460 INFO L262 CegarLoopResult]: For program point L734-2(lines 734 751) no Hoare annotation was computed. [2021-10-11 00:28:38,460 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:28:38,460 INFO L258 CegarLoopResult]: At program point L702(lines 701 720) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,461 INFO L262 CegarLoopResult]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2021-10-11 00:28:38,461 INFO L258 CegarLoopResult]: At program point L702-2(lines 701 720) the Hoare annotation is: false [2021-10-11 00:28:38,461 INFO L258 CegarLoopResult]: At program point L702-3(lines 701 720) the Hoare annotation is: false [2021-10-11 00:28:38,461 INFO L262 CegarLoopResult]: For program point L884(lines 883 930) no Hoare annotation was computed. [2021-10-11 00:28:38,461 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:28:38,462 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,462 INFO L262 CegarLoopResult]: For program point L885(lines 885 889) no Hoare annotation was computed. [2021-10-11 00:28:38,462 INFO L262 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2021-10-11 00:28:38,462 INFO L262 CegarLoopResult]: For program point L903(lines 903 909) no Hoare annotation was computed. [2021-10-11 00:28:38,462 INFO L258 CegarLoopResult]: At program point L903-1(lines 903 909) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,463 INFO L262 CegarLoopResult]: For program point L738(lines 738 746) no Hoare annotation was computed. [2021-10-11 00:28:38,463 INFO L262 CegarLoopResult]: For program point L738-1(lines 738 746) no Hoare annotation was computed. [2021-10-11 00:28:38,463 INFO L262 CegarLoopResult]: For program point L738-2(lines 738 746) no Hoare annotation was computed. [2021-10-11 00:28:38,463 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:28:38,463 INFO L262 CegarLoopResult]: For program point L854(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,464 INFO L262 CegarLoopResult]: For program point L854-2(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,464 INFO L262 CegarLoopResult]: For program point L854-3(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,464 INFO L262 CegarLoopResult]: For program point L210(lines 210 217) no Hoare annotation was computed. [2021-10-11 00:28:38,464 INFO L262 CegarLoopResult]: For program point L854-5(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,464 INFO L265 CegarLoopResult]: At program point L210-1(lines 210 217) the Hoare annotation is: true [2021-10-11 00:28:38,464 INFO L262 CegarLoopResult]: For program point L854-6(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,465 INFO L262 CegarLoopResult]: For program point L854-8(lines 854 858) no Hoare annotation was computed. [2021-10-11 00:28:38,465 INFO L258 CegarLoopResult]: At program point L805(lines 800 808) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,465 INFO L258 CegarLoopResult]: At program point L805-1(lines 800 808) the Hoare annotation is: false [2021-10-11 00:28:38,465 INFO L258 CegarLoopResult]: At program point L805-2(lines 800 808) the Hoare annotation is: false [2021-10-11 00:28:38,465 INFO L262 CegarLoopResult]: For program point L921(lines 921 925) no Hoare annotation was computed. [2021-10-11 00:28:38,466 INFO L258 CegarLoopResult]: At program point L921-2(lines 702 708) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,466 INFO L258 CegarLoopResult]: At program point L312(lines 307 315) the Hoare annotation is: false [2021-10-11 00:28:38,466 INFO L258 CegarLoopResult]: At program point L312-1(lines 307 315) the Hoare annotation is: false [2021-10-11 00:28:38,466 INFO L262 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2021-10-11 00:28:38,466 INFO L258 CegarLoopResult]: At program point L312-2(lines 307 315) the Hoare annotation is: false [2021-10-11 00:28:38,467 INFO L258 CegarLoopResult]: At program point L709(lines 709 715) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,467 INFO L258 CegarLoopResult]: At program point L709-1(lines 709 715) the Hoare annotation is: false [2021-10-11 00:28:38,467 INFO L258 CegarLoopResult]: At program point L709-2(lines 709 715) the Hoare annotation is: false [2021-10-11 00:28:38,467 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:28:38,467 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 321) no Hoare annotation was computed. [2021-10-11 00:28:38,468 INFO L262 CegarLoopResult]: For program point L100(lines 100 117) no Hoare annotation was computed. [2021-10-11 00:28:38,468 INFO L258 CegarLoopResult]: At program point L67(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:28:38,468 INFO L258 CegarLoopResult]: At program point L100-1(lines 1 938) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,468 INFO L262 CegarLoopResult]: For program point L100-2(lines 100 117) no Hoare annotation was computed. [2021-10-11 00:28:38,468 INFO L258 CegarLoopResult]: At program point L100-3(lines 1 938) the Hoare annotation is: false [2021-10-11 00:28:38,469 INFO L262 CegarLoopResult]: For program point L100-4(lines 100 117) no Hoare annotation was computed. [2021-10-11 00:28:38,469 INFO L258 CegarLoopResult]: At program point L100-5(lines 1 938) the Hoare annotation is: false [2021-10-11 00:28:38,469 INFO L262 CegarLoopResult]: For program point L893(lines 893 899) no Hoare annotation was computed. [2021-10-11 00:28:38,469 INFO L258 CegarLoopResult]: At program point L893-1(lines 893 899) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:28:38,469 INFO L258 CegarLoopResult]: At program point L860(lines 845 863) the Hoare annotation is: false [2021-10-11 00:28:38,470 INFO L258 CegarLoopResult]: At program point L860-1(lines 845 863) the Hoare annotation is: false [2021-10-11 00:28:38,470 INFO L258 CegarLoopResult]: At program point L860-2(lines 845 863) the Hoare annotation is: false [2021-10-11 00:28:38,470 INFO L258 CegarLoopResult]: At program point L134-2(lines 134 148) the Hoare annotation is: false [2021-10-11 00:28:38,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:28:38 BoogieIcfgContainer [2021-10-11 00:28:38,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:28:38,489 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:38,489 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:38,489 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:38,490 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:28:36" (3/4) ... [2021-10-11 00:28:38,493 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:28:38,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:28:38,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:28:38,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:28:38,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:28:38,512 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:28:38,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:38,513 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:28:38,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:28:38,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b3b9688-3881-4af5-b877-a4e99c5c0631/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:28:38,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:38,588 INFO L168 Benchmark]: Toolchain (without parser) took 3515.68 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 76.5 MB in the beginning and 86.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,588 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 81.8 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:38,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 476.47 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 55.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,589 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.29 ms. Allocated memory is still 107.0 MB. Free memory was 55.1 MB in the beginning and 52.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,589 INFO L168 Benchmark]: Boogie Preprocessor took 62.44 ms. Allocated memory is still 107.0 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,590 INFO L168 Benchmark]: RCFGBuilder took 1087.19 ms. Allocated memory is still 107.0 MB. Free memory was 49.9 MB in the beginning and 44.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,590 INFO L168 Benchmark]: TraceAbstraction took 1724.13 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 92.7 MB in the end (delta: -48.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,591 INFO L168 Benchmark]: Witness Printer took 97.09 ms. Allocated memory is still 136.3 MB. Free memory was 92.7 MB in the beginning and 86.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:38,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 81.8 MB. Free memory is still 53.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 476.47 ms. Allocated memory is still 107.0 MB. Free memory was 76.3 MB in the beginning and 55.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.29 ms. Allocated memory is still 107.0 MB. Free memory was 55.1 MB in the beginning and 52.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.44 ms. Allocated memory is still 107.0 MB. Free memory was 52.0 MB in the beginning and 49.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.19 ms. Allocated memory is still 107.0 MB. Free memory was 49.9 MB in the beginning and 44.7 MB in the end (delta: 5.2 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1724.13 ms. Allocated memory was 107.0 MB in the beginning and 136.3 MB in the end (delta: 29.4 MB). Free memory was 44.3 MB in the beginning and 92.7 MB in the end (delta: -48.4 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * Witness Printer took 97.09 ms. Allocated memory is still 136.3 MB. Free memory was 92.7 MB in the beginning and 86.5 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: 321]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 321]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 321]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 893]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 79 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 328 SDtfs, 297 SDslu, 294 SDs, 0 SdLazy, 41 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 73 NumberOfFragments, 143 HoareAnnotationTreeSize, 32 FomulaSimplifications, 1235 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 4617 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...