./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/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 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 00:23:05,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:05,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:05,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:05,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:05,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:05,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:05,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:05,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:05,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:05,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:05,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:05,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:05,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:05,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:05,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:05,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:05,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:05,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:05,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:05,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:05,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:05,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:05,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:05,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:05,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:05,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:05,846 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:05,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:05,847 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:05,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:05,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:05,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:05,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:05,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:05,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:05,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:05,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:05,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:05,858 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:05,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:05,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:23:05,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:05,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:05,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:05,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:05,906 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:05,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:05,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:23:05,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:05,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:23:05,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:05,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:23:05,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:23:05,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:23:05,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:23:05,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:05,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:05,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:23:05,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:05,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:05,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:23:05,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:05,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:23:05,911 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:05,912 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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 536f4e9bacbbdc4a60741158c51f8b2b0e9c1180 [2021-10-11 00:23:06,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:06,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:06,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:06,279 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:06,280 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:06,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 00:23:06,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/data/d52bef7f9/400c1908920b4636b080840c1e7a3759/FLAG101b3abb9 [2021-10-11 00:23:06,855 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:06,856 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c [2021-10-11 00:23:06,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/data/d52bef7f9/400c1908920b4636b080840c1e7a3759/FLAG101b3abb9 [2021-10-11 00:23:07,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/data/d52bef7f9/400c1908920b4636b080840c1e7a3759 [2021-10-11 00:23:07,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:07,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:07,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:07,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:07,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:07,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b3eee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07, skipping insertion in model container [2021-10-11 00:23:07,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:07,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:07,578 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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 00:23:07,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:07,590 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:07,665 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_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/sv-benchmarks/c/product-lines/minepump_spec2_product27.cil.c[17959,17972] [2021-10-11 00:23:07,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:07,698 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:07,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07 WrapperNode [2021-10-11 00:23:07,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:07,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:07,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:07,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:07,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:07,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:07,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:07,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:07,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:07,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:07,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:07,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:07,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/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 00:23:07,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:23:07,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:23:07,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:07,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:08,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:08,826 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-11 00:23:08,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08 BoogieIcfgContainer [2021-10-11 00:23:08,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:08,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:23:08,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:08,834 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:08,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:07" (1/3) ... [2021-10-11 00:23:08,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd9095e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:08, skipping insertion in model container [2021-10-11 00:23:08,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07" (2/3) ... [2021-10-11 00:23:08,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd9095e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:08, skipping insertion in model container [2021-10-11 00:23:08,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08" (3/3) ... [2021-10-11 00:23:08,838 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2021-10-11 00:23:08,853 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:08,857 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:23:08,869 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:23:08,898 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:08,898 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:08,898 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:08,898 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:08,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:08,899 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:08,899 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:08,899 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:08,918 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2021-10-11 00:23:08,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:23:08,928 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:08,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:08,930 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:08,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1392435012, now seen corresponding path program 1 times [2021-10-11 00:23:08,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:08,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370186407] [2021-10-11 00:23:08,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:09,299 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 00:23:09,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370186407] [2021-10-11 00:23:09,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:09,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:09,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372778986] [2021-10-11 00:23:09,307 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:23:09,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:09,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:23:09,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:09,325 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 2 states. [2021-10-11 00:23:09,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:09,366 INFO L93 Difference]: Finished difference Result 155 states and 234 transitions. [2021-10-11 00:23:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:23:09,368 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:23:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:09,379 INFO L225 Difference]: With dead ends: 155 [2021-10-11 00:23:09,379 INFO L226 Difference]: Without dead ends: 77 [2021-10-11 00:23:09,382 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 00:23:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-10-11 00:23:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-10-11 00:23:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-10-11 00:23:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 109 transitions. [2021-10-11 00:23:09,424 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 109 transitions. Word has length 18 [2021-10-11 00:23:09,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:09,424 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 109 transitions. [2021-10-11 00:23:09,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:23:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2021-10-11 00:23:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:23:09,426 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:09,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:09,426 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:09,426 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:09,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:09,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1173599043, now seen corresponding path program 1 times [2021-10-11 00:23:09,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:09,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741944708] [2021-10-11 00:23:09,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:09,543 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 00:23:09,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741944708] [2021-10-11 00:23:09,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:09,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:09,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107988970] [2021-10-11 00:23:09,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:09,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:09,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:09,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:09,547 INFO L87 Difference]: Start difference. First operand 77 states and 109 transitions. Second operand 3 states. [2021-10-11 00:23:09,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:09,558 INFO L93 Difference]: Finished difference Result 77 states and 109 transitions. [2021-10-11 00:23:09,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:09,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:23:09,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:09,559 INFO L225 Difference]: With dead ends: 77 [2021-10-11 00:23:09,560 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 00:23:09,561 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 00:23:09,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 00:23:09,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-10-11 00:23:09,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-10-11 00:23:09,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-10-11 00:23:09,567 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-10-11 00:23:09,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:09,567 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-10-11 00:23:09,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-10-11 00:23:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:23:09,568 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:09,569 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 00:23:09,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:23:09,569 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:09,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:09,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1808533439, now seen corresponding path program 1 times [2021-10-11 00:23:09,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:09,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095796389] [2021-10-11 00:23:09,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:09,733 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 00:23:09,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095796389] [2021-10-11 00:23:09,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:09,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:09,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231176113] [2021-10-11 00:23:09,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:09,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:09,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:09,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:09,743 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 3 states. [2021-10-11 00:23:09,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:09,774 INFO L93 Difference]: Finished difference Result 97 states and 142 transitions. [2021-10-11 00:23:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:09,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:23:09,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:09,782 INFO L225 Difference]: With dead ends: 97 [2021-10-11 00:23:09,782 INFO L226 Difference]: Without dead ends: 67 [2021-10-11 00:23:09,783 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 00:23:09,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-10-11 00:23:09,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2021-10-11 00:23:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:23:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 92 transitions. [2021-10-11 00:23:09,793 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 92 transitions. Word has length 24 [2021-10-11 00:23:09,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:09,793 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 92 transitions. [2021-10-11 00:23:09,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2021-10-11 00:23:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:23:09,794 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:09,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:09,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:23:09,795 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:09,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:09,796 INFO L82 PathProgramCache]: Analyzing trace with hash -71070855, now seen corresponding path program 1 times [2021-10-11 00:23:09,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:09,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630658012] [2021-10-11 00:23:09,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:09,883 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 00:23:09,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630658012] [2021-10-11 00:23:09,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:09,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:09,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007185757] [2021-10-11 00:23:09,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:09,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:09,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:09,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:09,889 INFO L87 Difference]: Start difference. First operand 63 states and 92 transitions. Second operand 5 states. [2021-10-11 00:23:10,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:10,036 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2021-10-11 00:23:10,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:23:10,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:23:10,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:10,040 INFO L225 Difference]: With dead ends: 303 [2021-10-11 00:23:10,040 INFO L226 Difference]: Without dead ends: 247 [2021-10-11 00:23:10,041 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 00:23:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-10-11 00:23:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 111. [2021-10-11 00:23:10,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2021-10-11 00:23:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 162 transitions. [2021-10-11 00:23:10,061 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 162 transitions. Word has length 25 [2021-10-11 00:23:10,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:10,061 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 162 transitions. [2021-10-11 00:23:10,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:10,061 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 162 transitions. [2021-10-11 00:23:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:23:10,063 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:10,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:10,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:23:10,063 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:10,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:10,064 INFO L82 PathProgramCache]: Analyzing trace with hash 34699249, now seen corresponding path program 1 times [2021-10-11 00:23:10,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:10,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097381291] [2021-10-11 00:23:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:10,147 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 00:23:10,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097381291] [2021-10-11 00:23:10,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:10,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:10,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046657659] [2021-10-11 00:23:10,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:10,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:10,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:10,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:10,153 INFO L87 Difference]: Start difference. First operand 111 states and 162 transitions. Second operand 5 states. [2021-10-11 00:23:10,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:10,248 INFO L93 Difference]: Finished difference Result 307 states and 460 transitions. [2021-10-11 00:23:10,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:23:10,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:23:10,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:10,249 INFO L225 Difference]: With dead ends: 307 [2021-10-11 00:23:10,250 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:23:10,252 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 00:23:10,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:23:10,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:23:10,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:23:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:23:10,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-10-11 00:23:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:10,253 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:23:10,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:23:10,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:23:10,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:23:10,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:23:10,454 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,454 INFO L262 CegarLoopResult]: For program point L432(lines 432 442) no Hoare annotation was computed. [2021-10-11 00:23:10,454 INFO L262 CegarLoopResult]: For program point L432-2(lines 432 442) no Hoare annotation was computed. [2021-10-11 00:23:10,454 INFO L262 CegarLoopResult]: For program point L432-4(lines 432 442) no Hoare annotation was computed. [2021-10-11 00:23:10,455 INFO L258 CegarLoopResult]: At program point L746(lines 741 749) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:10,455 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:10,455 INFO L262 CegarLoopResult]: For program point L796(lines 796 804) no Hoare annotation was computed. [2021-10-11 00:23:10,455 INFO L262 CegarLoopResult]: For program point L796-1(lines 796 804) no Hoare annotation was computed. [2021-10-11 00:23:10,455 INFO L262 CegarLoopResult]: For program point L796-2(lines 796 804) no Hoare annotation was computed. [2021-10-11 00:23:10,456 INFO L258 CegarLoopResult]: At program point L499(lines 494 502) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,456 INFO L258 CegarLoopResult]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-11 00:23:10,456 INFO L262 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2021-10-11 00:23:10,456 INFO L258 CegarLoopResult]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L433-2(lines 433 439) no Hoare annotation was computed. [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L912-2(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L433-4(lines 433 439) no Hoare annotation was computed. [2021-10-11 00:23:10,457 INFO L262 CegarLoopResult]: For program point L912-5(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,458 INFO L262 CegarLoopResult]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,458 INFO L262 CegarLoopResult]: For program point L912-8(lines 912 916) no Hoare annotation was computed. [2021-10-11 00:23:10,458 INFO L258 CegarLoopResult]: At program point L417(lines 412 419) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:10,458 INFO L258 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,458 INFO L258 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-11 00:23:10,458 INFO L258 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-11 00:23:10,459 INFO L262 CegarLoopResult]: For program point L634(lines 634 641) no Hoare annotation was computed. [2021-10-11 00:23:10,459 INFO L265 CegarLoopResult]: At program point L634-1(lines 634 641) the Hoare annotation is: true [2021-10-11 00:23:10,459 INFO L262 CegarLoopResult]: For program point L486(lines 486 490) no Hoare annotation was computed. [2021-10-11 00:23:10,460 INFO L258 CegarLoopResult]: At program point L767(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,460 INFO L258 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: false [2021-10-11 00:23:10,461 INFO L258 CegarLoopResult]: At program point L767-2(lines 767 773) the Hoare annotation is: false [2021-10-11 00:23:10,464 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:10,464 INFO L262 CegarLoopResult]: For program point L669(lines 669 675) no Hoare annotation was computed. [2021-10-11 00:23:10,465 INFO L258 CegarLoopResult]: At program point L669-1(lines 669 675) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,465 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,465 INFO L258 CegarLoopResult]: At program point L918(lines 903 921) the Hoare annotation is: false [2021-10-11 00:23:10,466 INFO L258 CegarLoopResult]: At program point L918-1(lines 903 921) the Hoare annotation is: false [2021-10-11 00:23:10,466 INFO L258 CegarLoopResult]: At program point L918-2(lines 903 921) the Hoare annotation is: false [2021-10-11 00:23:10,466 INFO L258 CegarLoopResult]: At program point L738(lines 1 945) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:10,467 INFO L258 CegarLoopResult]: At program point L606(lines 602 608) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:10,467 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:10,467 INFO L258 CegarLoopResult]: At program point L540(lines 535 543) the Hoare annotation is: false [2021-10-11 00:23:10,467 INFO L258 CegarLoopResult]: At program point L540-1(lines 535 543) the Hoare annotation is: false [2021-10-11 00:23:10,471 INFO L262 CegarLoopResult]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-10-11 00:23:10,471 INFO L258 CegarLoopResult]: At program point L540-2(lines 535 543) the Hoare annotation is: false [2021-10-11 00:23:10,471 INFO L262 CegarLoopResult]: For program point L689(lines 689 702) no Hoare annotation was computed. [2021-10-11 00:23:10,471 INFO L258 CegarLoopResult]: At program point L557-2(lines 557 571) the Hoare annotation is: false [2021-10-11 00:23:10,471 INFO L262 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2021-10-11 00:23:10,471 INFO L258 CegarLoopResult]: At program point L707(lines 658 708) the Hoare annotation is: false [2021-10-11 00:23:10,471 INFO L262 CegarLoopResult]: For program point L428(lines 428 445) no Hoare annotation was computed. [2021-10-11 00:23:10,472 INFO L258 CegarLoopResult]: At program point L428-1(lines 1 945) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,472 INFO L262 CegarLoopResult]: For program point L428-2(lines 428 445) no Hoare annotation was computed. [2021-10-11 00:23:10,472 INFO L258 CegarLoopResult]: At program point L428-3(lines 1 945) the Hoare annotation is: false [2021-10-11 00:23:10,472 INFO L262 CegarLoopResult]: For program point L428-4(lines 428 445) no Hoare annotation was computed. [2021-10-11 00:23:10,474 INFO L258 CegarLoopResult]: At program point L428-5(lines 1 945) the Hoare annotation is: false [2021-10-11 00:23:10,474 INFO L265 CegarLoopResult]: At program point L643(lines 624 646) the Hoare annotation is: true [2021-10-11 00:23:10,474 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:10,474 INFO L262 CegarLoopResult]: For program point L792(lines 792 809) no Hoare annotation was computed. [2021-10-11 00:23:10,474 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,474 INFO L262 CegarLoopResult]: For program point L792-1(lines 792 809) no Hoare annotation was computed. [2021-10-11 00:23:10,474 INFO L262 CegarLoopResult]: For program point L792-2(lines 792 809) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L660(lines 659 706) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L561-1(lines 760 766) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L462-3(lines 462 466) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L462-6(lines 462 466) no Hoare annotation was computed. [2021-10-11 00:23:10,475 INFO L258 CegarLoopResult]: At program point L760(lines 759 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,475 INFO L262 CegarLoopResult]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L258 CegarLoopResult]: At program point L760-2(lines 759 778) the Hoare annotation is: false [2021-10-11 00:23:10,476 INFO L262 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L258 CegarLoopResult]: At program point L760-3(lines 759 778) the Hoare annotation is: false [2021-10-11 00:23:10,476 INFO L262 CegarLoopResult]: For program point L942(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L262 CegarLoopResult]: For program point L942-1(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L262 CegarLoopResult]: For program point L942-2(line 942) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L262 CegarLoopResult]: For program point L926(lines 926 932) no Hoare annotation was computed. [2021-10-11 00:23:10,476 INFO L258 CegarLoopResult]: At program point L926-1(lines 926 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,477 INFO L262 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2021-10-11 00:23:10,477 INFO L258 CegarLoopResult]: At program point L695-1(lines 760 766) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,477 INFO L262 CegarLoopResult]: For program point L679(lines 679 685) no Hoare annotation was computed. [2021-10-11 00:23:10,477 INFO L258 CegarLoopResult]: At program point L679-1(lines 679 685) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:23:10,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:10 BoogieIcfgContainer [2021-10-11 00:23:10,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:10,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:10,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:10,508 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:10,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08" (3/4) ... [2021-10-11 00:23:10,511 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:10,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:23:10,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:23:10,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:23:10,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:23:10,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:23:10,538 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:10,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:10,571 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 [2021-10-11 00:23:10,648 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f4079eb-e2c3-41b8-9e2d-78b972371a5a/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:10,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:10,650 INFO L168 Benchmark]: Toolchain (without parser) took 3476.16 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 60.0 MB in the beginning and 103.2 MB in the end (delta: -43.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:10,651 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 77.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:10,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.16 ms. Allocated memory is still 100.7 MB. Free memory was 59.7 MB in the beginning and 65.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.76 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 62.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,652 INFO L168 Benchmark]: Boogie Preprocessor took 50.26 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 59.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,652 INFO L168 Benchmark]: RCFGBuilder took 990.84 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 59.8 MB in the beginning and 89.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,653 INFO L168 Benchmark]: TraceAbstraction took 1677.45 ms. Allocated memory is still 142.6 MB. Free memory was 89.8 MB in the beginning and 110.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,653 INFO L168 Benchmark]: Witness Printer took 140.68 ms. Allocated memory is still 142.6 MB. Free memory was 110.6 MB in the beginning and 103.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:10,655 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 77.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.16 ms. Allocated memory is still 100.7 MB. Free memory was 59.7 MB in the beginning and 65.2 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.76 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 62.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.26 ms. Allocated memory is still 100.7 MB. Free memory was 62.2 MB in the beginning and 59.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.84 ms. Allocated memory was 100.7 MB in the beginning and 142.6 MB in the end (delta: 41.9 MB). Free memory was 59.8 MB in the beginning and 89.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1677.45 ms. Allocated memory is still 142.6 MB. Free memory was 89.8 MB in the beginning and 110.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 55.6 MB. Max. memory is 16.1 GB. * Witness Printer took 140.68 ms. Allocated memory is still 142.6 MB. Free memory was 110.6 MB in the beginning and 103.2 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 942]: 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: 634]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 658]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 412]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (\result == 0 && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: (1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 350 SDtfs, 321 SDslu, 370 SDs, 0 SdLazy, 49 SolverSat, 9 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=111occurred in iteration=4, 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, 140 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 33 PreInvPairs, 119 NumberOfFragments, 126 HoareAnnotationTreeSize, 33 FomulaSimplifications, 2679 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 5261 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...