./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/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 d83ceaa193cdbbc22bebc7351a9d6525d7bceeb6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:30:28,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:30:28,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:30:28,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:30:28,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:30:28,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:30:28,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:30:28,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:30:28,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:30:28,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:30:28,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:30:28,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:30:28,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:30:28,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:30:28,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:30:28,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:30:28,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:30:28,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:30:28,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:30:28,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:30:28,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:30:28,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:30:28,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:30:28,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:30:28,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:30:28,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:30:28,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:30:28,855 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:30:28,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:30:28,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:30:28,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:30:28,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:30:28,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:30:28,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:30:28,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:30:28,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:30:28,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:30:28,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:30:28,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:30:28,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:30:28,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:30:28,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:30:28,904 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:30:28,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:30:28,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:30:28,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:30:28,907 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:30:28,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:30:28,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:30:28,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:30:28,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:30:28,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:30:28,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:30:28,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:30:28,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:30:28,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:30:28,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:30:28,917 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:30:28,918 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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d83ceaa193cdbbc22bebc7351a9d6525d7bceeb6 [2021-10-11 00:30:29,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:30:29,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:30:29,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:30:29,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:30:29,209 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:30:29,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-11 00:30:29,281 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/data/8ce59194b/b09600bd79bb41acb351d8a4da1624e1/FLAG7d4376dd2 [2021-10-11 00:30:29,755 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:30:29,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2021-10-11 00:30:29,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/data/8ce59194b/b09600bd79bb41acb351d8a4da1624e1/FLAG7d4376dd2 [2021-10-11 00:30:30,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/data/8ce59194b/b09600bd79bb41acb351d8a4da1624e1 [2021-10-11 00:30:30,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:30:30,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:30:30,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:30,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:30:30,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:30:30,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e816b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30, skipping insertion in model container [2021-10-11 00:30:30,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:30:30,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:30:30,459 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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[16864,16877] [2021-10-11 00:30:30,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:30,473 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:30:30,541 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_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[16864,16877] [2021-10-11 00:30:30,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:30,575 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:30:30,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30 WrapperNode [2021-10-11 00:30:30,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:30,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:30,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:30:30,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:30:30,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:30,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:30:30,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:30:30,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:30:30,688 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... [2021-10-11 00:30:30,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:30:30,754 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:30:30,754 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:30:30,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:30:30,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/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 00:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:30:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:30:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:30:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:30:31,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:30:31,791 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-11 00:30:31,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:31 BoogieIcfgContainer [2021-10-11 00:30:31,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:30:31,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:30:31,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:30:31,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:30:31,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:30:30" (1/3) ... [2021-10-11 00:30:31,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a3f52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:31, skipping insertion in model container [2021-10-11 00:30:31,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:30" (2/3) ... [2021-10-11 00:30:31,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a3f52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:31, skipping insertion in model container [2021-10-11 00:30:31,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:31" (3/3) ... [2021-10-11 00:30:31,804 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2021-10-11 00:30:31,821 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:30:31,824 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:30:31,835 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:30:31,875 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:30:31,875 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:30:31,876 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:30:31,876 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:30:31,876 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:30:31,876 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:30:31,876 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:30:31,876 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:30:31,888 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2021-10-11 00:30:31,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:30:31,893 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:31,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:31,894 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:31,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:31,898 INFO L82 PathProgramCache]: Analyzing trace with hash 655576763, now seen corresponding path program 1 times [2021-10-11 00:30:31,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:31,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208668139] [2021-10-11 00:30:31,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:32,175 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 00:30:32,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208668139] [2021-10-11 00:30:32,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:32,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:30:32,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492103187] [2021-10-11 00:30:32,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:30:32,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:32,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:30:32,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:30:32,196 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2021-10-11 00:30:32,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:32,220 INFO L93 Difference]: Finished difference Result 132 states and 197 transitions. [2021-10-11 00:30:32,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:30:32,221 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:30:32,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:32,231 INFO L225 Difference]: With dead ends: 132 [2021-10-11 00:30:32,231 INFO L226 Difference]: Without dead ends: 65 [2021-10-11 00:30:32,234 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 00:30:32,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-11 00:30:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-11 00:30:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 00:30:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-11 00:30:32,273 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 90 transitions. Word has length 16 [2021-10-11 00:30:32,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:32,274 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-11 00:30:32,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:30:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2021-10-11 00:30:32,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:30:32,276 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:32,276 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 00:30:32,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:30:32,276 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:32,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:32,277 INFO L82 PathProgramCache]: Analyzing trace with hash -391180134, now seen corresponding path program 1 times [2021-10-11 00:30:32,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:32,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531389620] [2021-10-11 00:30:32,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:32,410 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 00:30:32,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531389620] [2021-10-11 00:30:32,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:32,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:32,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138896600] [2021-10-11 00:30:32,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:32,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:32,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:32,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:32,419 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. Second operand 3 states. [2021-10-11 00:30:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:32,431 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2021-10-11 00:30:32,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:32,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:30:32,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:32,438 INFO L225 Difference]: With dead ends: 65 [2021-10-11 00:30:32,438 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 00:30:32,439 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 00:30:32,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 00:30:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 00:30:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 00:30:32,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 43 transitions. [2021-10-11 00:30:32,444 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 43 transitions. Word has length 17 [2021-10-11 00:30:32,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:32,444 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 43 transitions. [2021-10-11 00:30:32,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:32,445 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2021-10-11 00:30:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:30:32,446 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:32,446 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 00:30:32,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:30:32,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:32,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:32,447 INFO L82 PathProgramCache]: Analyzing trace with hash 914910598, now seen corresponding path program 1 times [2021-10-11 00:30:32,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:32,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333054120] [2021-10-11 00:30:32,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:32,644 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 00:30:32,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333054120] [2021-10-11 00:30:32,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:32,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:32,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436191709] [2021-10-11 00:30:32,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:32,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:32,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:32,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:32,653 INFO L87 Difference]: Start difference. First operand 31 states and 43 transitions. Second operand 3 states. [2021-10-11 00:30:32,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:32,684 INFO L93 Difference]: Finished difference Result 56 states and 80 transitions. [2021-10-11 00:30:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:32,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:30:32,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:32,686 INFO L225 Difference]: With dead ends: 56 [2021-10-11 00:30:32,686 INFO L226 Difference]: Without dead ends: 31 [2021-10-11 00:30:32,686 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 00:30:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-10-11 00:30:32,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-11 00:30:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 00:30:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2021-10-11 00:30:32,712 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 22 [2021-10-11 00:30:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:32,713 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2021-10-11 00:30:32,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2021-10-11 00:30:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:30:32,714 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:32,714 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 00:30:32,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:30:32,714 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash 927653314, now seen corresponding path program 1 times [2021-10-11 00:30:32,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:32,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113167157] [2021-10-11 00:30:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:32,802 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 00:30:32,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113167157] [2021-10-11 00:30:32,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:32,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:32,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005131204] [2021-10-11 00:30:32,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:32,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:32,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:32,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:32,805 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 5 states. [2021-10-11 00:30:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:32,952 INFO L93 Difference]: Finished difference Result 110 states and 161 transitions. [2021-10-11 00:30:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:30:32,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2021-10-11 00:30:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:32,958 INFO L225 Difference]: With dead ends: 110 [2021-10-11 00:30:32,959 INFO L226 Difference]: Without dead ends: 85 [2021-10-11 00:30:32,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:30:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-11 00:30:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 52. [2021-10-11 00:30:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2021-10-11 00:30:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2021-10-11 00:30:32,975 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 23 [2021-10-11 00:30:32,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:32,975 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-10-11 00:30:32,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2021-10-11 00:30:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:30:32,977 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:32,977 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 00:30:32,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:30:32,977 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:32,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:32,979 INFO L82 PathProgramCache]: Analyzing trace with hash -951478396, now seen corresponding path program 1 times [2021-10-11 00:30:32,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:32,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395312500] [2021-10-11 00:30:32,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:33,112 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 00:30:33,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395312500] [2021-10-11 00:30:33,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:33,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:33,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520644942] [2021-10-11 00:30:33,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:33,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:33,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:33,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:33,116 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 5 states. [2021-10-11 00:30:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:33,216 INFO L93 Difference]: Finished difference Result 120 states and 173 transitions. [2021-10-11 00:30:33,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:30:33,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:30:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:33,218 INFO L225 Difference]: With dead ends: 120 [2021-10-11 00:30:33,218 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:30:33,222 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 00:30:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:30:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:30:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:30:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:30:33,223 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2021-10-11 00:30:33,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:33,223 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:30:33,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:30:33,223 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:30:33,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:30:33,225 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:30:33,557 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,557 INFO L262 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-10-11 00:30:33,558 INFO L258 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,558 INFO L262 CegarLoopResult]: For program point L300(lines 300 317) no Hoare annotation was computed. [2021-10-11 00:30:33,558 INFO L262 CegarLoopResult]: For program point L300-1(lines 300 317) no Hoare annotation was computed. [2021-10-11 00:30:33,558 INFO L262 CegarLoopResult]: For program point L300-2(lines 300 317) no Hoare annotation was computed. [2021-10-11 00:30:33,559 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2021-10-11 00:30:33,559 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:30:33,560 INFO L258 CegarLoopResult]: At program point L268(lines 267 286) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,560 INFO L262 CegarLoopResult]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2021-10-11 00:30:33,560 INFO L258 CegarLoopResult]: At program point L268-2(lines 267 286) the Hoare annotation is: false [2021-10-11 00:30:33,561 INFO L258 CegarLoopResult]: At program point L268-3(lines 267 286) the Hoare annotation is: false [2021-10-11 00:30:33,561 INFO L262 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2021-10-11 00:30:33,562 INFO L258 CegarLoopResult]: At program point L450-2(lines 268 274) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,562 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:30:33,562 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:30:33,563 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:33,563 INFO L258 CegarLoopResult]: At program point L865(lines 860 868) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:33,563 INFO L258 CegarLoopResult]: At program point L353(lines 348 356) 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 00:30:33,563 INFO L258 CegarLoopResult]: At program point L353-1(lines 348 356) the Hoare annotation is: false [2021-10-11 00:30:33,564 INFO L258 CegarLoopResult]: At program point L353-2(lines 348 356) the Hoare annotation is: false [2021-10-11 00:30:33,564 INFO L262 CegarLoopResult]: For program point L304(lines 304 312) no Hoare annotation was computed. [2021-10-11 00:30:33,564 INFO L262 CegarLoopResult]: For program point L304-1(lines 304 312) no Hoare annotation was computed. [2021-10-11 00:30:33,565 INFO L262 CegarLoopResult]: For program point L304-2(lines 304 312) no Hoare annotation was computed. [2021-10-11 00:30:33,565 INFO L262 CegarLoopResult]: For program point L156(lines 156 160) no Hoare annotation was computed. [2021-10-11 00:30:33,565 INFO L262 CegarLoopResult]: For program point L156-3(lines 156 160) no Hoare annotation was computed. [2021-10-11 00:30:33,565 INFO L262 CegarLoopResult]: For program point L156-6(lines 156 160) no Hoare annotation was computed. [2021-10-11 00:30:33,565 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:30:33,566 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:30:33,566 INFO L262 CegarLoopResult]: For program point L58-1(lines 268 274) no Hoare annotation was computed. [2021-10-11 00:30:33,567 INFO L262 CegarLoopResult]: For program point L240(lines 240 253) no Hoare annotation was computed. [2021-10-11 00:30:33,569 INFO L258 CegarLoopResult]: At program point L240-1(lines 1 877) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,570 INFO L262 CegarLoopResult]: For program point L240-2(lines 240 253) no Hoare annotation was computed. [2021-10-11 00:30:33,570 INFO L258 CegarLoopResult]: At program point L240-3(lines 1 877) the Hoare annotation is: false [2021-10-11 00:30:33,570 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:30:33,570 INFO L262 CegarLoopResult]: For program point L240-4(lines 240 253) no Hoare annotation was computed. [2021-10-11 00:30:33,571 INFO L258 CegarLoopResult]: At program point L240-5(lines 1 877) the Hoare annotation is: false [2021-10-11 00:30:33,571 INFO L262 CegarLoopResult]: For program point L422(lines 422 428) no Hoare annotation was computed. [2021-10-11 00:30:33,572 INFO L258 CegarLoopResult]: At program point L422-1(lines 422 428) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,572 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,573 INFO L258 CegarLoopResult]: At program point L225(lines 220 228) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,573 INFO L258 CegarLoopResult]: At program point L225-1(lines 220 228) the Hoare annotation is: false [2021-10-11 00:30:33,574 INFO L258 CegarLoopResult]: At program point L225-2(lines 220 228) the Hoare annotation is: false [2021-10-11 00:30:33,582 INFO L258 CegarLoopResult]: At program point L275(lines 275 281) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:30:33,583 INFO L258 CegarLoopResult]: At program point L275-1(lines 275 281) the Hoare annotation is: false [2021-10-11 00:30:33,583 INFO L258 CegarLoopResult]: At program point L275-2(lines 275 281) the Hoare annotation is: false [2021-10-11 00:30:33,583 INFO L258 CegarLoopResult]: At program point L193(lines 188 196) the Hoare annotation is: false [2021-10-11 00:30:33,583 INFO L258 CegarLoopResult]: At program point L193-1(lines 188 196) the Hoare annotation is: false [2021-10-11 00:30:33,583 INFO L258 CegarLoopResult]: At program point L193-2(lines 188 196) the Hoare annotation is: false [2021-10-11 00:30:33,583 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:30:33,584 INFO L262 CegarLoopResult]: For program point L442(lines 442 455) no Hoare annotation was computed. [2021-10-11 00:30:33,584 INFO L262 CegarLoopResult]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-10-11 00:30:33,584 INFO L262 CegarLoopResult]: For program point L244-2(lines 244 250) no Hoare annotation was computed. [2021-10-11 00:30:33,584 INFO L262 CegarLoopResult]: For program point L244-4(lines 244 250) no Hoare annotation was computed. [2021-10-11 00:30:33,584 INFO L258 CegarLoopResult]: At program point L344(lines 337 347) the Hoare annotation is: false [2021-10-11 00:30:33,584 INFO L258 CegarLoopResult]: At program point L344-1(lines 337 347) the Hoare annotation is: false [2021-10-11 00:30:33,585 INFO L258 CegarLoopResult]: At program point L344-2(lines 337 347) the Hoare annotation is: false [2021-10-11 00:30:33,585 INFO L258 CegarLoopResult]: At program point L460(lines 411 461) the Hoare annotation is: false [2021-10-11 00:30:33,585 INFO L258 CegarLoopResult]: At program point L857(lines 1 877) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:30:33,585 INFO L262 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2021-10-11 00:30:33,585 INFO L262 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,585 INFO L262 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,586 INFO L262 CegarLoopResult]: For program point L874-2(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,586 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:30:33,586 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 874) no Hoare annotation was computed. [2021-10-11 00:30:33,586 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:30:33,586 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:30:33,586 INFO L262 CegarLoopResult]: For program point L413(lines 412 459) no Hoare annotation was computed. [2021-10-11 00:30:33,587 INFO L262 CegarLoopResult]: For program point L414(lines 414 418) no Hoare annotation was computed. [2021-10-11 00:30:33,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:33 BoogieIcfgContainer [2021-10-11 00:30:33,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:30:33,618 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:30:33,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:30:33,618 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:30:33,619 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:31" (3/4) ... [2021-10-11 00:30:33,622 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:30:33,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:30:33,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:30:33,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:30:33,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:30:33,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:30:33,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:33,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:33,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:30:33,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea8d5a4-71f9-45f0-930a-edd39dbb4635/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:30:33,750 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:30:33,752 INFO L168 Benchmark]: Toolchain (without parser) took 3648.28 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 77.0 MB in the beginning and 84.9 MB in the end (delta: -7.9 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,752 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 77.6 MB. Free memory was 54.5 MB in the beginning and 54.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:30:33,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.31 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 78.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.01 ms. Allocated memory is still 111.1 MB. Free memory was 78.2 MB in the beginning and 75.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,754 INFO L168 Benchmark]: Boogie Preprocessor took 75.55 ms. Allocated memory is still 111.1 MB. Free memory was 75.1 MB in the beginning and 73.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,754 INFO L168 Benchmark]: RCFGBuilder took 1040.95 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 74.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,755 INFO L168 Benchmark]: TraceAbstraction took 1821.17 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 74.2 MB in the beginning and 91.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,755 INFO L168 Benchmark]: Witness Printer took 131.64 ms. Allocated memory is still 138.4 MB. Free memory was 91.2 MB in the beginning and 84.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:33,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 77.6 MB. Free memory was 54.5 MB in the beginning and 54.5 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.31 ms. Allocated memory is still 111.1 MB. Free memory was 76.8 MB in the beginning and 78.2 MB in the end (delta: -1.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.01 ms. Allocated memory is still 111.1 MB. Free memory was 78.2 MB in the beginning and 75.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.55 ms. Allocated memory is still 111.1 MB. Free memory was 75.1 MB in the beginning and 73.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1040.95 ms. Allocated memory is still 111.1 MB. Free memory was 73.0 MB in the beginning and 74.9 MB in the end (delta: -1.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1821.17 ms. Allocated memory was 111.1 MB in the beginning and 138.4 MB in the end (delta: 27.3 MB). Free memory was 74.2 MB in the beginning and 91.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. * Witness Printer took 131.64 ms. Allocated memory is still 138.4 MB. Free memory was 91.2 MB in the beginning and 84.9 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: 874]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 874]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 874]: 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: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 422]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: ((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (1 == systemActive && pumpRunning == 0) && splverifierCounter == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 288 SDtfs, 263 SDslu, 202 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 33 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 31 PreInvPairs, 61 NumberOfFragments, 133 HoareAnnotationTreeSize, 31 FomulaSimplifications, 621 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 31 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 3931 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...