./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0 --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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:41:08,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:41:08,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:41:08,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:41:08,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:41:08,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:41:08,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:41:08,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:41:08,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:41:08,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:41:08,747 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:41:08,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:41:08,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:41:08,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:41:08,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:41:08,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:41:08,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:41:08,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:41:08,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:41:08,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:41:08,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:41:08,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:41:08,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:41:08,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:41:08,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:41:08,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:41:08,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:41:08,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:41:08,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:41:08,799 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:41:08,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:41:08,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:41:08,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:41:08,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:41:08,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:41:08,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:41:08,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:41:08,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:41:08,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:41:08,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:41:08,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:41:08,810 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:41:08,853 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:41:08,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:41:08,854 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:41:08,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:41:08,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:41:08,856 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:41:08,856 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:41:08,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:41:08,857 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:41:08,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:41:08,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:41:08,858 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:41:08,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:41:08,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:41:08,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:41:08,859 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:41:08,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:41:08,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:41:08,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:41:08,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:41:08,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:41:08,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:41:08,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:41:08,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:41:08,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:41:08,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:41:08,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:41:08,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:41:08,862 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:41:08,864 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:41:08,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:41:08,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:41:08,864 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_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2021-11-22 15:41:09,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:41:09,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:41:09,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:41:09,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:41:09,162 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:41:09,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-11-22 15:41:09,237 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/data/63f8b85d2/9c95a5eda9f348cda05dc1b47650634e/FLAG80fd4e7d0 [2021-11-22 15:41:09,802 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:41:09,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2021-11-22 15:41:09,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/data/63f8b85d2/9c95a5eda9f348cda05dc1b47650634e/FLAG80fd4e7d0 [2021-11-22 15:41:10,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/data/63f8b85d2/9c95a5eda9f348cda05dc1b47650634e [2021-11-22 15:41:10,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:41:10,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:41:10,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:41:10,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:41:10,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:41:10,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160c775b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10, skipping insertion in model container [2021-11-22 15:41:10,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:41:10,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:41:10,394 WARN L230 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_48a84f0a-0dbf-4965-b4f8-483bcf51abab/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-11-22 15:41:10,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:41:10,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:41:10,554 WARN L230 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_48a84f0a-0dbf-4965-b4f8-483bcf51abab/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2021-11-22 15:41:10,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:41:10,623 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:41:10,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10 WrapperNode [2021-11-22 15:41:10,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:41:10,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:41:10,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:41:10,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:41:10,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,690 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 47, statements flattened = 394 [2021-11-22 15:41:10,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:41:10,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:41:10,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:41:10,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:41:10,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:41:10,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:41:10,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:41:10,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:41:10,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (1/1) ... [2021-11-22 15:41:10,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:41:10,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:41:10,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:41:10,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:41:10,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:41:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:41:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:41:10,955 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:41:10,957 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:41:11,370 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:41:11,379 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:41:11,379 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 15:41:11,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:41:11 BoogieIcfgContainer [2021-11-22 15:41:11,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:41:11,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:41:11,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:41:11,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:41:11,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:41:10" (1/3) ... [2021-11-22 15:41:11,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee259b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:41:11, skipping insertion in model container [2021-11-22 15:41:11,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:41:10" (2/3) ... [2021-11-22 15:41:11,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee259b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:41:11, skipping insertion in model container [2021-11-22 15:41:11,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:41:11" (3/3) ... [2021-11-22 15:41:11,397 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2021-11-22 15:41:11,403 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:41:11,404 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 15:41:11,452 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:41:11,459 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:41:11,459 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 15:41:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 101 states have (on average 1.396039603960396) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:11,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 15:41:11,483 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:41:11,483 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:41:11,484 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:41:11,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:41:11,490 INFO L85 PathProgramCache]: Analyzing trace with hash -42087435, now seen corresponding path program 1 times [2021-11-22 15:41:11,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:41:11,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110111316] [2021-11-22 15:41:11,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:41:11,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:41:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:41:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:41:11,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:41:11,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110111316] [2021-11-22 15:41:11,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110111316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:41:11,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:41:11,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:41:11,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715369694] [2021-11-22 15:41:11,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:41:11,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:41:11,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:41:11,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:41:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:41:11,840 INFO L87 Difference]: Start difference. First operand has 105 states, 101 states have (on average 1.396039603960396) internal successors, (141), 104 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:11,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:41:11,871 INFO L93 Difference]: Finished difference Result 200 states and 271 transitions. [2021-11-22 15:41:11,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:41:11,874 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-22 15:41:11,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:41:11,890 INFO L225 Difference]: With dead ends: 200 [2021-11-22 15:41:11,891 INFO L226 Difference]: Without dead ends: 95 [2021-11-22 15:41:11,895 INFO L932 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 [2021-11-22 15:41:11,902 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:41:11,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:41:11,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-22 15:41:11,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-22 15:41:11,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 94 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 123 transitions. [2021-11-22 15:41:11,941 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 123 transitions. Word has length 17 [2021-11-22 15:41:11,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:41:11,941 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 123 transitions. [2021-11-22 15:41:11,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 123 transitions. [2021-11-22 15:41:11,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 15:41:11,943 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:41:11,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:41:11,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:41:11,943 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:41:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:41:11,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1681761511, now seen corresponding path program 1 times [2021-11-22 15:41:11,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:41:11,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872883841] [2021-11-22 15:41:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:41:11,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:41:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:41:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:41:12,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:41:12,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872883841] [2021-11-22 15:41:12,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872883841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:41:12,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:41:12,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:41:12,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604759082] [2021-11-22 15:41:12,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:41:12,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:41:12,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:41:12,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:41:12,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:41:12,017 INFO L87 Difference]: Start difference. First operand 95 states and 123 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:41:12,030 INFO L93 Difference]: Finished difference Result 95 states and 123 transitions. [2021-11-22 15:41:12,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:41:12,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 15:41:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:41:12,031 INFO L225 Difference]: With dead ends: 95 [2021-11-22 15:41:12,032 INFO L226 Difference]: Without dead ends: 44 [2021-11-22 15:41:12,032 INFO L932 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 [2021-11-22 15:41:12,034 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 49 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:41:12,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:41:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-22 15:41:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-11-22 15:41:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2021-11-22 15:41:12,042 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 18 [2021-11-22 15:41:12,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:41:12,042 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2021-11-22 15:41:12,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-22 15:41:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 15:41:12,044 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:41:12,044 INFO L514 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] [2021-11-22 15:41:12,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:41:12,044 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:41:12,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:41:12,045 INFO L85 PathProgramCache]: Analyzing trace with hash -857780947, now seen corresponding path program 1 times [2021-11-22 15:41:12,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:41:12,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673757301] [2021-11-22 15:41:12,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:41:12,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:41:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:41:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:41:12,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:41:12,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673757301] [2021-11-22 15:41:12,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673757301] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:41:12,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:41:12,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:41:12,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714995070] [2021-11-22 15:41:12,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:41:12,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:41:12,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:41:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:41:12,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:41:12,118 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:41:12,126 INFO L93 Difference]: Finished difference Result 81 states and 107 transitions. [2021-11-22 15:41:12,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:41:12,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-22 15:41:12,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:41:12,128 INFO L225 Difference]: With dead ends: 81 [2021-11-22 15:41:12,128 INFO L226 Difference]: Without dead ends: 44 [2021-11-22 15:41:12,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:41:12,131 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:41:12,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 55 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:41:12,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-22 15:41:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-11-22 15:41:12,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.302325581395349) internal successors, (56), 43 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2021-11-22 15:41:12,139 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 24 [2021-11-22 15:41:12,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:41:12,140 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2021-11-22 15:41:12,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,140 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2021-11-22 15:41:12,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 15:41:12,141 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:41:12,141 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:41:12,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:41:12,142 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:41:12,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:41:12,143 INFO L85 PathProgramCache]: Analyzing trace with hash -225441770, now seen corresponding path program 1 times [2021-11-22 15:41:12,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:41:12,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738026008] [2021-11-22 15:41:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:41:12,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:41:12,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:41:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:41:12,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:41:12,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738026008] [2021-11-22 15:41:12,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738026008] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:41:12,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:41:12,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 15:41:12,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219610206] [2021-11-22 15:41:12,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:41:12,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:41:12,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:41:12,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:41:12,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:41:12,251 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:41:12,509 INFO L93 Difference]: Finished difference Result 279 states and 376 transitions. [2021-11-22 15:41:12,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-22 15:41:12,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-22 15:41:12,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:41:12,514 INFO L225 Difference]: With dead ends: 279 [2021-11-22 15:41:12,514 INFO L226 Difference]: Without dead ends: 242 [2021-11-22 15:41:12,515 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-11-22 15:41:12,516 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 306 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:41:12,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [306 Valid, 504 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:41:12,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2021-11-22 15:41:12,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 76. [2021-11-22 15:41:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 75 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2021-11-22 15:41:12,571 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 27 [2021-11-22 15:41:12,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:41:12,572 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2021-11-22 15:41:12,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2021-11-22 15:41:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 15:41:12,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:41:12,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:41:12,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:41:12,579 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:41:12,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:41:12,581 INFO L85 PathProgramCache]: Analyzing trace with hash -2100644975, now seen corresponding path program 1 times [2021-11-22 15:41:12,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:41:12,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312886347] [2021-11-22 15:41:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:41:12,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:41:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:41:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:41:12,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:41:12,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312886347] [2021-11-22 15:41:12,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312886347] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:41:12,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:41:12,695 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:41:12,695 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375396377] [2021-11-22 15:41:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:41:12,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:41:12,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:41:12,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:41:12,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:41:12,699 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:41:12,765 INFO L93 Difference]: Finished difference Result 209 states and 278 transitions. [2021-11-22 15:41:12,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:41:12,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-11-22 15:41:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:41:12,766 INFO L225 Difference]: With dead ends: 209 [2021-11-22 15:41:12,767 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:41:12,772 INFO L932 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 [2021-11-22 15:41:12,779 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 103 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:41:12,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 159 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:41:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:41:12,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:41:12,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:41:12,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-22 15:41:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:41:12,784 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:41:12,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:41:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:41:12,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:41:12,791 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 15:41:12,793 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 15:41:12,793 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 15:41:12,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:41:12,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:41:13,378 INFO L854 garLoopResultBuilder]: At program point L283(lines 236 284) the Hoare annotation is: false [2021-11-22 15:41:13,378 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,378 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 278) no Hoare annotation was computed. [2021-11-22 15:41:13,378 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:41:13,379 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 176) no Hoare annotation was computed. [2021-11-22 15:41:13,379 INFO L858 garLoopResultBuilder]: For program point L169-2(lines 169 176) no Hoare annotation was computed. [2021-11-22 15:41:13,379 INFO L861 garLoopResultBuilder]: At program point L153(lines 146 155) the Hoare annotation is: true [2021-11-22 15:41:13,379 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,379 INFO L858 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,380 INFO L858 garLoopResultBuilder]: For program point L187-2(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,380 INFO L854 garLoopResultBuilder]: At program point L534(lines 529 537) the Hoare annotation is: false [2021-11-22 15:41:13,380 INFO L854 garLoopResultBuilder]: At program point L534-1(lines 529 537) the Hoare annotation is: false [2021-11-22 15:41:13,380 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-11-22 15:41:13,380 INFO L854 garLoopResultBuilder]: At program point L534-2(lines 529 537) the Hoare annotation is: false [2021-11-22 15:41:13,381 INFO L854 garLoopResultBuilder]: At program point L468-2(lines 464 475) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,381 INFO L854 garLoopResultBuilder]: At program point L237-2(lines 237 282) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,381 INFO L854 garLoopResultBuilder]: At program point L188(lines 183 190) the Hoare annotation is: false [2021-11-22 15:41:13,381 INFO L854 garLoopResultBuilder]: At program point L188-1(lines 183 190) the Hoare annotation is: false [2021-11-22 15:41:13,381 INFO L854 garLoopResultBuilder]: At program point L188-2(lines 183 190) the Hoare annotation is: false [2021-11-22 15:41:13,382 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 354) no Hoare annotation was computed. [2021-11-22 15:41:13,382 INFO L854 garLoopResultBuilder]: At program point L337-1(lines 333 357) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,382 INFO L858 garLoopResultBuilder]: For program point L337-2(lines 337 354) no Hoare annotation was computed. [2021-11-22 15:41:13,382 INFO L858 garLoopResultBuilder]: For program point L238(lines 237 282) no Hoare annotation was computed. [2021-11-22 15:41:13,382 INFO L854 garLoopResultBuilder]: At program point L337-3(lines 333 357) the Hoare annotation is: false [2021-11-22 15:41:13,383 INFO L858 garLoopResultBuilder]: For program point L337-4(lines 337 354) no Hoare annotation was computed. [2021-11-22 15:41:13,383 INFO L854 garLoopResultBuilder]: At program point L337-5(lines 333 357) the Hoare annotation is: false [2021-11-22 15:41:13,383 INFO L861 garLoopResultBuilder]: At program point L106(lines 81 110) the Hoare annotation is: true [2021-11-22 15:41:13,383 INFO L861 garLoopResultBuilder]: At program point L288(lines 227 290) the Hoare annotation is: true [2021-11-22 15:41:13,383 INFO L854 garLoopResultBuilder]: At program point L222(lines 217 225) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 15:41:13,383 INFO L854 garLoopResultBuilder]: At program point L371(lines 366 373) the Hoare annotation is: false [2021-11-22 15:41:13,384 INFO L854 garLoopResultBuilder]: At program point L371-1(lines 366 373) the Hoare annotation is: false [2021-11-22 15:41:13,384 INFO L858 garLoopResultBuilder]: For program point L305(lines 305 311) no Hoare annotation was computed. [2021-11-22 15:41:13,384 INFO L854 garLoopResultBuilder]: At program point L371-2(lines 366 373) the Hoare annotation is: false [2021-11-22 15:41:13,384 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 243) no Hoare annotation was computed. [2021-11-22 15:41:13,384 INFO L858 garLoopResultBuilder]: For program point L305-2(lines 304 323) no Hoare annotation was computed. [2021-11-22 15:41:13,391 INFO L858 garLoopResultBuilder]: For program point L305-3(lines 305 311) no Hoare annotation was computed. [2021-11-22 15:41:13,391 INFO L858 garLoopResultBuilder]: For program point L305-5(lines 304 323) no Hoare annotation was computed. [2021-11-22 15:41:13,391 INFO L858 garLoopResultBuilder]: For program point L305-6(lines 305 311) no Hoare annotation was computed. [2021-11-22 15:41:13,392 INFO L858 garLoopResultBuilder]: For program point L305-8(lines 304 323) no Hoare annotation was computed. [2021-11-22 15:41:13,392 INFO L854 garLoopResultBuilder]: At program point L322(lines 301 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,392 INFO L854 garLoopResultBuilder]: At program point L322-1(lines 301 324) the Hoare annotation is: false [2021-11-22 15:41:13,392 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:41:13,392 INFO L854 garLoopResultBuilder]: At program point L322-2(lines 301 324) the Hoare annotation is: false [2021-11-22 15:41:13,393 INFO L854 garLoopResultBuilder]: At program point L91-2(lines 91 105) the Hoare annotation is: false [2021-11-22 15:41:13,393 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-11-22 15:41:13,393 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 209) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 15:41:13,393 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 267 278) no Hoare annotation was computed. [2021-11-22 15:41:13,393 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 263) no Hoare annotation was computed. [2021-11-22 15:41:13,393 INFO L858 garLoopResultBuilder]: For program point L257-2(lines 257 263) no Hoare annotation was computed. [2021-11-22 15:41:13,394 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-11-22 15:41:13,394 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,394 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,394 INFO L858 garLoopResultBuilder]: For program point L439-2(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,394 INFO L858 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,395 INFO L858 garLoopResultBuilder]: For program point L439-5(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,395 INFO L858 garLoopResultBuilder]: For program point L439-6(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,395 INFO L858 garLoopResultBuilder]: For program point L439-8(lines 439 443) no Hoare annotation was computed. [2021-11-22 15:41:13,395 INFO L854 garLoopResultBuilder]: At program point L142(lines 138 144) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 15:41:13,395 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-11-22 15:41:13,395 INFO L854 garLoopResultBuilder]: At program point L456-2(lines 452 463) the Hoare annotation is: false [2021-11-22 15:41:13,396 INFO L854 garLoopResultBuilder]: At program point L390(lines 385 393) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,396 INFO L858 garLoopResultBuilder]: For program point L456-3(lines 456 460) no Hoare annotation was computed. [2021-11-22 15:41:13,396 INFO L854 garLoopResultBuilder]: At program point L390-1(lines 385 393) the Hoare annotation is: false [2021-11-22 15:41:13,396 INFO L854 garLoopResultBuilder]: At program point L390-2(lines 385 393) the Hoare annotation is: false [2021-11-22 15:41:13,396 INFO L854 garLoopResultBuilder]: At program point L456-5(lines 452 463) the Hoare annotation is: false [2021-11-22 15:41:13,397 INFO L858 garLoopResultBuilder]: For program point L456-6(lines 456 460) no Hoare annotation was computed. [2021-11-22 15:41:13,401 INFO L854 garLoopResultBuilder]: At program point L456-8(lines 452 463) the Hoare annotation is: false [2021-11-22 15:41:13,402 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 349) no Hoare annotation was computed. [2021-11-22 15:41:13,403 INFO L858 garLoopResultBuilder]: For program point L341-3(lines 341 349) no Hoare annotation was computed. [2021-11-22 15:41:13,403 INFO L858 garLoopResultBuilder]: For program point L341-6(lines 341 349) no Hoare annotation was computed. [2021-11-22 15:41:13,403 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-11-22 15:41:13,404 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:41:13,404 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,404 INFO L858 garLoopResultBuilder]: For program point L61-2(lines 61 74) no Hoare annotation was computed. [2021-11-22 15:41:13,404 INFO L854 garLoopResultBuilder]: At program point L61-3(lines 53 77) the Hoare annotation is: false [2021-11-22 15:41:13,404 INFO L858 garLoopResultBuilder]: For program point L61-4(lines 61 74) no Hoare annotation was computed. [2021-11-22 15:41:13,405 INFO L854 garLoopResultBuilder]: At program point L61-5(lines 53 77) the Hoare annotation is: false [2021-11-22 15:41:13,405 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-11-22 15:41:13,405 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 95 99) no Hoare annotation was computed. [2021-11-22 15:41:13,405 INFO L861 garLoopResultBuilder]: At program point L178(lines 159 181) the Hoare annotation is: true [2021-11-22 15:41:13,405 INFO L854 garLoopResultBuilder]: At program point L525(lines 520 528) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,407 INFO L854 garLoopResultBuilder]: At program point L525-1(lines 520 528) the Hoare annotation is: false [2021-11-22 15:41:13,408 INFO L854 garLoopResultBuilder]: At program point L525-2(lines 520 528) the Hoare annotation is: false [2021-11-22 15:41:13,408 INFO L858 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2021-11-22 15:41:13,408 INFO L858 garLoopResultBuilder]: For program point L312-3(lines 312 318) no Hoare annotation was computed. [2021-11-22 15:41:13,408 INFO L858 garLoopResultBuilder]: For program point L312-5(lines 312 318) no Hoare annotation was computed. [2021-11-22 15:41:13,408 INFO L854 garLoopResultBuilder]: At program point L329(lines 325 331) the Hoare annotation is: false [2021-11-22 15:41:13,409 INFO L854 garLoopResultBuilder]: At program point L329-1(lines 325 331) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,409 INFO L854 garLoopResultBuilder]: At program point L329-2(lines 325 331) the Hoare annotation is: false [2021-11-22 15:41:13,409 INFO L854 garLoopResultBuilder]: At program point L329-3(lines 325 331) the Hoare annotation is: false [2021-11-22 15:41:13,409 INFO L854 garLoopResultBuilder]: At program point L329-4(lines 325 331) the Hoare annotation is: false [2021-11-22 15:41:13,410 INFO L854 garLoopResultBuilder]: At program point L329-5(lines 325 331) the Hoare annotation is: false [2021-11-22 15:41:13,410 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-22 15:41:13,410 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:41:13,410 INFO L858 garLoopResultBuilder]: For program point L65-3(lines 65 71) no Hoare annotation was computed. [2021-11-22 15:41:13,411 INFO L854 garLoopResultBuilder]: At program point L445(lines 430 448) the Hoare annotation is: false [2021-11-22 15:41:13,411 INFO L854 garLoopResultBuilder]: At program point L445-1(lines 430 448) the Hoare annotation is: false [2021-11-22 15:41:13,411 INFO L854 garLoopResultBuilder]: At program point L445-2(lines 430 448) the Hoare annotation is: false [2021-11-22 15:41:13,411 INFO L858 garLoopResultBuilder]: For program point L65-6(lines 65 71) no Hoare annotation was computed. [2021-11-22 15:41:13,412 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2021-11-22 15:41:13,412 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-11-22 15:41:13,412 INFO L854 garLoopResultBuilder]: At program point L214(lines 210 216) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 ~systemActive~0)) [2021-11-22 15:41:13,412 INFO L858 garLoopResultBuilder]: For program point L247-2(lines 247 253) no Hoare annotation was computed. [2021-11-22 15:41:13,412 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-11-22 15:41:13,413 INFO L854 garLoopResultBuilder]: At program point L480-2(lines 476 487) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:41:13,423 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-22 15:41:13,425 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:41:13,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:41:13 BoogieIcfgContainer [2021-11-22 15:41:13,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:41:13,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:41:13,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:41:13,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:41:13,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:41:11" (3/4) ... [2021-11-22 15:41:13,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:41:13,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-22 15:41:13,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 15:41:13,502 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 15:41:13,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:41:13,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:41:13,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:41:13,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:41:13,534 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0 [2021-11-22 15:41:13,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:41:13,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:41:13,585 INFO L158 Benchmark]: Toolchain (without parser) took 3482.50ms. Allocated memory was 83.9MB in the beginning and 144.7MB in the end (delta: 60.8MB). Free memory was 47.2MB in the beginning and 102.2MB in the end (delta: -55.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,586 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:41:13,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.53ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 47.0MB in the beginning and 72.5MB in the end (delta: -25.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.34ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 69.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,587 INFO L158 Benchmark]: Boogie Preprocessor took 52.73ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:41:13,588 INFO L158 Benchmark]: RCFGBuilder took 636.85ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 49.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,588 INFO L158 Benchmark]: TraceAbstraction took 2085.56ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 110.6MB in the end (delta: -61.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,589 INFO L158 Benchmark]: Witness Printer took 114.76ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 102.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:41:13,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.53ms. Allocated memory was 83.9MB in the beginning and 104.9MB in the end (delta: 21.0MB). Free memory was 47.0MB in the beginning and 72.5MB in the end (delta: -25.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.34ms. Allocated memory is still 104.9MB. Free memory was 72.5MB in the beginning and 69.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.73ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.85ms. Allocated memory is still 104.9MB. Free memory was 68.1MB in the beginning and 49.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2085.56ms. Allocated memory was 104.9MB in the beginning and 144.7MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 110.6MB in the end (delta: -61.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 114.76ms. Allocated memory is still 144.7MB. Free memory was 110.6MB in the beginning and 102.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 187]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 497 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 497 mSDsluCounter, 911 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 524 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 387 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 49 PreInvPairs, 97 NumberOfFragments, 169 HoareAnnotationTreeSize, 49 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 2153 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 254 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 236]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 476]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == systemActive - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:41:13,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48a84f0a-0dbf-4965-b4f8-483bcf51abab/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE