./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 510d78afd0ed540d6db513c55234784145c65178 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:31:12,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:12,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:12,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:12,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:12,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:12,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:12,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:12,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:12,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:12,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:12,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:12,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:12,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:12,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:12,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:12,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:12,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:12,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:12,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:12,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:12,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:12,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:12,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:12,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:12,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:12,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:12,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:12,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:12,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:12,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:12,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:12,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:12,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:12,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:12,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:12,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:12,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:12,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:12,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:12,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:12,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:12,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:12,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:12,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:12,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:12,864 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:12,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:12,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:12,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:12,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:12,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:12,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:12,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:12,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:12,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:12,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:12,868 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:12,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:12,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:12,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:12,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:12,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:12,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:12,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:12,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:12,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:12,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:12,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:12,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:12,871 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_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 510d78afd0ed540d6db513c55234784145c65178 [2021-10-11 00:31:13,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:13,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:13,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:13,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:13,192 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:13,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-11 00:31:13,291 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/data/be1868d8a/adca1a4e71404d9595ea7cf7e79a3563/FLAG1664319a1 [2021-10-11 00:31:13,853 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:13,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c [2021-10-11 00:31:13,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/data/be1868d8a/adca1a4e71404d9595ea7cf7e79a3563/FLAG1664319a1 [2021-10-11 00:31:14,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/data/be1868d8a/adca1a4e71404d9595ea7cf7e79a3563 [2021-10-11 00:31:14,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:14,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:14,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:14,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:14,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:14,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10de936b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14, skipping insertion in model container [2021-10-11 00:31:14,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:14,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:14,451 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-11 00:31:14,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:14,611 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:14,662 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/sv-benchmarks/c/product-lines/minepump_spec1_product25.cil.c[3600,3613] [2021-10-11 00:31:14,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:14,777 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:14,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14 WrapperNode [2021-10-11 00:31:14,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:14,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:14,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:14,783 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:14,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:14,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:14,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:14,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:14,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... [2021-10-11 00:31:14,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:14,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:14,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:14,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:14,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:15,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:15,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:15,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:15,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:15,889 INFO L299 CfgBuilder]: Removed 96 assume(true) statements. [2021-10-11 00:31:15,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:15 BoogieIcfgContainer [2021-10-11 00:31:15,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:15,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:15,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:15,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:15,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:14" (1/3) ... [2021-10-11 00:31:15,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d699865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:15, skipping insertion in model container [2021-10-11 00:31:15,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:14" (2/3) ... [2021-10-11 00:31:15,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d699865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:15, skipping insertion in model container [2021-10-11 00:31:15,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:15" (3/3) ... [2021-10-11 00:31:15,903 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product25.cil.c [2021-10-11 00:31:15,922 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:15,926 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:15,936 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:15,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:15,981 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:15,981 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:15,981 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:15,981 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:15,982 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:15,982 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:15,982 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states. [2021-10-11 00:31:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:16,013 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:16,014 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:16,017 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:16,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:16,024 INFO L82 PathProgramCache]: Analyzing trace with hash -695057112, now seen corresponding path program 1 times [2021-10-11 00:31:16,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:16,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706198796] [2021-10-11 00:31:16,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:16,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706198796] [2021-10-11 00:31:16,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:16,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:16,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222934111] [2021-10-11 00:31:16,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:16,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:16,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:16,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:16,348 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 2 states. [2021-10-11 00:31:16,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:16,386 INFO L93 Difference]: Finished difference Result 144 states and 215 transitions. [2021-10-11 00:31:16,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:16,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:31:16,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:16,398 INFO L225 Difference]: With dead ends: 144 [2021-10-11 00:31:16,398 INFO L226 Difference]: Without dead ends: 71 [2021-10-11 00:31:16,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:16,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-11 00:31:16,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2021-10-11 00:31:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:31:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2021-10-11 00:31:16,445 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 99 transitions. Word has length 16 [2021-10-11 00:31:16,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:16,446 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 99 transitions. [2021-10-11 00:31:16,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:16,446 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2021-10-11 00:31:16,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:16,447 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:16,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:16,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:16,448 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:16,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:16,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1741814009, now seen corresponding path program 1 times [2021-10-11 00:31:16,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:16,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275891981] [2021-10-11 00:31:16,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:16,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275891981] [2021-10-11 00:31:16,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:16,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:16,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520390949] [2021-10-11 00:31:16,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:16,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:16,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:16,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:16,594 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. Second operand 3 states. [2021-10-11 00:31:16,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:16,611 INFO L93 Difference]: Finished difference Result 71 states and 99 transitions. [2021-10-11 00:31:16,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:16,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:31:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:16,629 INFO L225 Difference]: With dead ends: 71 [2021-10-11 00:31:16,629 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:31:16,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:31:16,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:31:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:31:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2021-10-11 00:31:16,636 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 17 [2021-10-11 00:31:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:16,636 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2021-10-11 00:31:16,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2021-10-11 00:31:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:16,637 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:16,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:16,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:16,638 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:16,639 INFO L82 PathProgramCache]: Analyzing trace with hash 379655789, now seen corresponding path program 1 times [2021-10-11 00:31:16,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:16,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040317906] [2021-10-11 00:31:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:16,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040317906] [2021-10-11 00:31:16,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:16,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:16,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224445481] [2021-10-11 00:31:16,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:16,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:16,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:16,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:16,833 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand 3 states. [2021-10-11 00:31:16,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:16,844 INFO L93 Difference]: Finished difference Result 60 states and 86 transitions. [2021-10-11 00:31:16,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:16,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:31:16,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:16,846 INFO L225 Difference]: With dead ends: 60 [2021-10-11 00:31:16,847 INFO L226 Difference]: Without dead ends: 33 [2021-10-11 00:31:16,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:16,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-10-11 00:31:16,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-10-11 00:31:16,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2021-10-11 00:31:16,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2021-10-11 00:31:16,854 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 22 [2021-10-11 00:31:16,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:16,855 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2021-10-11 00:31:16,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2021-10-11 00:31:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:31:16,856 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:16,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:16,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:16,857 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:16,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:16,857 INFO L82 PathProgramCache]: Analyzing trace with hash -2095114328, now seen corresponding path program 1 times [2021-10-11 00:31:16,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:16,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063838084] [2021-10-11 00:31:16,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:17,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063838084] [2021-10-11 00:31:17,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:17,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:17,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118569006] [2021-10-11 00:31:17,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:17,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:17,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:17,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:17,060 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand 5 states. [2021-10-11 00:31:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:17,179 INFO L93 Difference]: Finished difference Result 151 states and 223 transitions. [2021-10-11 00:31:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:31:17,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:31:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:17,182 INFO L225 Difference]: With dead ends: 151 [2021-10-11 00:31:17,182 INFO L226 Difference]: Without dead ends: 124 [2021-10-11 00:31:17,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:31:17,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-10-11 00:31:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 56. [2021-10-11 00:31:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-10-11 00:31:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 78 transitions. [2021-10-11 00:31:17,195 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 78 transitions. Word has length 23 [2021-10-11 00:31:17,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:17,196 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 78 transitions. [2021-10-11 00:31:17,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 78 transitions. [2021-10-11 00:31:17,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:31:17,197 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:17,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:17,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:17,197 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:17,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:17,198 INFO L82 PathProgramCache]: Analyzing trace with hash -142255950, now seen corresponding path program 1 times [2021-10-11 00:31:17,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:17,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637864200] [2021-10-11 00:31:17,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:17,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637864200] [2021-10-11 00:31:17,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:17,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:17,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88278460] [2021-10-11 00:31:17,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:17,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:17,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:17,309 INFO L87 Difference]: Start difference. First operand 56 states and 78 transitions. Second operand 5 states. [2021-10-11 00:31:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:17,380 INFO L93 Difference]: Finished difference Result 148 states and 215 transitions. [2021-10-11 00:31:17,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:17,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:31:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:17,381 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:31:17,381 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:17,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:17,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:17,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:17,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:17,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:31:17,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:17,384 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:17,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:17,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:17,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:17,387 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:17,613 INFO L258 CegarLoopResult]: At program point L382(lines 367 385) the Hoare annotation is: false [2021-10-11 00:31:17,613 INFO L258 CegarLoopResult]: At program point L382-1(lines 367 385) the Hoare annotation is: false [2021-10-11 00:31:17,613 INFO L258 CegarLoopResult]: At program point L382-2(lines 367 385) the Hoare annotation is: false [2021-10-11 00:31:17,613 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,613 INFO L262 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L262 CegarLoopResult]: For program point L399(lines 398 443) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L262 CegarLoopResult]: For program point L400(lines 400 404) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L262 CegarLoopResult]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L258 CegarLoopResult]: At program point L186-1(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,614 INFO L262 CegarLoopResult]: For program point L186-2(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:31:17,614 INFO L258 CegarLoopResult]: At program point L186-3(lines 1 913) the Hoare annotation is: false [2021-10-11 00:31:17,615 INFO L262 CegarLoopResult]: For program point L186-4(lines 186 199) no Hoare annotation was computed. [2021-10-11 00:31:17,615 INFO L258 CegarLoopResult]: At program point L186-5(lines 1 913) the Hoare annotation is: false [2021-10-11 00:31:17,615 INFO L262 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-10-11 00:31:17,615 INFO L262 CegarLoopResult]: For program point L434-2(lines 224 230) no Hoare annotation was computed. [2021-10-11 00:31:17,615 INFO L262 CegarLoopResult]: For program point L418(lines 418 424) no Hoare annotation was computed. [2021-10-11 00:31:17,615 INFO L258 CegarLoopResult]: At program point L418-1(lines 418 424) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,615 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point L468(lines 468 472) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point L468-1(lines 224 230) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L258 CegarLoopResult]: At program point L171(lines 166 174) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point L535(lines 535 542) no Hoare annotation was computed. [2021-10-11 00:31:17,616 INFO L265 CegarLoopResult]: At program point L535-1(lines 535 542) the Hoare annotation is: true [2021-10-11 00:31:17,616 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L256(lines 256 273) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L256-1(lines 256 273) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L256-2(lines 256 273) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L190-2(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L190-4(lines 190 196) no Hoare annotation was computed. [2021-10-11 00:31:17,617 INFO L258 CegarLoopResult]: At program point L224(lines 223 242) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,617 INFO L262 CegarLoopResult]: For program point L224-1(lines 224 230) no Hoare annotation was computed. [2021-10-11 00:31:17,618 INFO L258 CegarLoopResult]: At program point L224-2(lines 223 242) the Hoare annotation is: false [2021-10-11 00:31:17,618 INFO L258 CegarLoopResult]: At program point L224-3(lines 223 242) the Hoare annotation is: false [2021-10-11 00:31:17,618 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,618 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: false [2021-10-11 00:31:17,618 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-11 00:31:17,618 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,618 INFO L262 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,618 INFO L262 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L258 CegarLoopResult]: At program point L408-1(lines 408 414) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L260(lines 260 268) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L260-1(lines 260 268) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L260-2(lines 260 268) no Hoare annotation was computed. [2021-10-11 00:31:17,619 INFO L262 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L376-2(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L376-3(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L376-5(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L376-6(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L376-8(lines 376 380) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 00:31:17,620 INFO L258 CegarLoopResult]: At program point L327(lines 322 330) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,620 INFO L258 CegarLoopResult]: At program point L327-1(lines 322 330) the Hoare annotation is: false [2021-10-11 00:31:17,620 INFO L258 CegarLoopResult]: At program point L327-2(lines 322 330) the Hoare annotation is: false [2021-10-11 00:31:17,621 INFO L258 CegarLoopResult]: At program point L163(lines 1 913) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:17,621 INFO L258 CegarLoopResult]: At program point L444(lines 397 445) the Hoare annotation is: false [2021-10-11 00:31:17,621 INFO L262 CegarLoopResult]: For program point L428(lines 428 439) no Hoare annotation was computed. [2021-10-11 00:31:17,621 INFO L265 CegarLoopResult]: At program point L544(lines 525 547) the Hoare annotation is: true [2021-10-11 00:31:17,621 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:17,621 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-10-11 00:31:17,621 INFO L258 CegarLoopResult]: At program point L231(lines 231 237) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L231-1(lines 231 237) the Hoare annotation is: false [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L231-2(lines 231 237) the Hoare annotation is: false [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L512(lines 508 514) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L133(lines 128 136) the Hoare annotation is: false [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-10-11 00:31:17,622 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-10-11 00:31:17,622 INFO L258 CegarLoopResult]: At program point L464-2(lines 464 478) the Hoare annotation is: false [2021-10-11 00:31:17,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:17 BoogieIcfgContainer [2021-10-11 00:31:17,641 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:17,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:17,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:17,642 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:17,642 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:15" (3/4) ... [2021-10-11 00:31:17,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:17,660 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:17,661 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:17,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:17,662 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:17,663 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:17,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:17,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:17,694 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:31:17,767 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c01373c-1f01-4a1e-b835-21a936d5dd2a/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:17,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:17,769 INFO L168 Benchmark]: Toolchain (without parser) took 3607.58 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 67.4 MB in the beginning and 78.9 MB in the end (delta: -11.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,770 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 72.9 MB in the beginning and 72.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:17,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.85 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 67.1 MB in the beginning and 110.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.09 ms. Allocated memory is still 144.7 MB. Free memory was 110.3 MB in the beginning and 107.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,771 INFO L168 Benchmark]: Boogie Preprocessor took 38.50 ms. Allocated memory is still 144.7 MB. Free memory was 107.4 MB in the beginning and 105.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,772 INFO L168 Benchmark]: RCFGBuilder took 990.47 ms. Allocated memory is still 144.7 MB. Free memory was 105.3 MB in the beginning and 53.6 MB in the end (delta: 51.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,772 INFO L168 Benchmark]: TraceAbstraction took 1746.04 ms. Allocated memory is still 144.7 MB. Free memory was 53.6 MB in the beginning and 85.2 MB in the end (delta: -31.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:17,772 INFO L168 Benchmark]: Witness Printer took 125.89 ms. Allocated memory is still 144.7 MB. Free memory was 85.2 MB in the beginning and 78.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:17,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 102.8 MB. Free memory was 72.9 MB in the beginning and 72.8 MB in the end (delta: 29.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.85 ms. Allocated memory was 102.8 MB in the beginning and 144.7 MB in the end (delta: 41.9 MB). Free memory was 67.1 MB in the beginning and 110.3 MB in the end (delta: -43.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.09 ms. Allocated memory is still 144.7 MB. Free memory was 110.3 MB in the beginning and 107.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.50 ms. Allocated memory is still 144.7 MB. Free memory was 107.4 MB in the beginning and 105.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.47 ms. Allocated memory is still 144.7 MB. Free memory was 105.3 MB in the beginning and 53.6 MB in the end (delta: 51.6 MB). Peak memory consumption was 52.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1746.04 ms. Allocated memory is still 144.7 MB. Free memory was 53.6 MB in the beginning and 85.2 MB in the end (delta: -31.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 125.89 ms. Allocated memory is still 144.7 MB. Free memory was 85.2 MB in the beginning and 78.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 208]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 75 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 311 SDtfs, 299 SDslu, 264 SDs, 0 SdLazy, 39 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 68 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 65 NumberOfFragments, 123 HoareAnnotationTreeSize, 30 FomulaSimplifications, 1021 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 4477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...