./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.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_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/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_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/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_89031476-0484-40dc-9c70-34f11478c6bc/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 e091116155bef94531c8dcf2197eb34bed5ec812 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:32:02,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:32:02,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:32:02,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:32:02,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:32:02,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:32:02,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:32:02,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:32:02,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:32:02,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:32:02,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:32:02,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:32:02,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:32:02,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:32:02,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:32:02,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:32:02,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:32:02,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:32:02,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:32:02,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:32:02,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:32:02,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:32:02,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:32:02,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:32:02,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:32:02,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:32:02,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:32:02,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:32:02,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:32:02,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:32:02,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:32:02,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:32:02,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:32:02,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:32:02,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:32:02,680 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:32:02,681 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:32:02,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:32:02,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:32:02,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:32:02,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:32:02,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:32:02,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:32:02,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:32:02,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:32:02,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:32:02,715 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:32:02,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:32:02,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:32:02,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:32:02,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:32:02,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:32:02,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:32:02,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:32:02,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:32:02,718 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:32:02,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:32:02,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:32:02,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:32:02,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:32:02,719 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:32:02,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:32:02,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:32:02,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:32:02,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:32:02,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:32:02,720 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:32:02,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:32:02,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:32:02,721 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:32:02,721 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_89031476-0484-40dc-9c70-34f11478c6bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e091116155bef94531c8dcf2197eb34bed5ec812 [2021-10-11 00:32:03,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:32:03,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:32:03,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:32:03,075 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:32:03,076 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:32:03,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-11 00:32:03,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/data/56c0e67ff/48728cdeb47347c2a4e6bb89f67be954/FLAG6283a50ff [2021-10-11 00:32:03,868 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:32:03,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2021-10-11 00:32:03,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/data/56c0e67ff/48728cdeb47347c2a4e6bb89f67be954/FLAG6283a50ff [2021-10-11 00:32:04,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/data/56c0e67ff/48728cdeb47347c2a4e6bb89f67be954 [2021-10-11 00:32:04,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:32:04,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:32:04,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:04,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:32:04,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:32:04,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a343742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04, skipping insertion in model container [2021-10-11 00:32:04,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:32:04,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:32:04,480 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_89031476-0484-40dc-9c70-34f11478c6bc/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2573,2586] [2021-10-11 00:32:04,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:04,633 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:32:04,669 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_89031476-0484-40dc-9c70-34f11478c6bc/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c[2573,2586] [2021-10-11 00:32:04,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:32:04,782 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:32:04,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04 WrapperNode [2021-10-11 00:32:04,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:32:04,784 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:04,784 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:32:04,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:32:04,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:32:04,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:32:04,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:32:04,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:32:04,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... [2021-10-11 00:32:04,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:32:04,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:32:04,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:32:04,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:32:04,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/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 00:32:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:32:05,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:32:05,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:32:05,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:32:05,988 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:32:05,988 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-11 00:32:05,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05 BoogieIcfgContainer [2021-10-11 00:32:05,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:32:05,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:32:05,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:32:05,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:32:05,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:32:04" (1/3) ... [2021-10-11 00:32:05,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c92dc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:05, skipping insertion in model container [2021-10-11 00:32:05,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:32:04" (2/3) ... [2021-10-11 00:32:05,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c92dc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:32:05, skipping insertion in model container [2021-10-11 00:32:05,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05" (3/3) ... [2021-10-11 00:32:05,999 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2021-10-11 00:32:06,014 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:32:06,018 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:32:06,029 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:32:06,056 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:32:06,056 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:32:06,056 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:32:06,056 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:32:06,056 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:32:06,056 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:32:06,057 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:32:06,057 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:32:06,072 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states. [2021-10-11 00:32:06,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:32:06,078 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:06,079 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 00:32:06,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:06,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:06,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2021-10-11 00:32:06,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:06,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906908491] [2021-10-11 00:32:06,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:06,446 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 00:32:06,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906908491] [2021-10-11 00:32:06,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:06,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:32:06,449 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707788614] [2021-10-11 00:32:06,454 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:32:06,454 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:06,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:32:06,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:32:06,471 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 2 states. [2021-10-11 00:32:06,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:06,492 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2021-10-11 00:32:06,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:32:06,494 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:32:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:06,504 INFO L225 Difference]: With dead ends: 120 [2021-10-11 00:32:06,505 INFO L226 Difference]: Without dead ends: 59 [2021-10-11 00:32:06,508 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 00:32:06,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-11 00:32:06,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-11 00:32:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2021-10-11 00:32:06,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-10-11 00:32:06,565 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2021-10-11 00:32:06,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:06,565 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-11 00:32:06,565 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:32:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2021-10-11 00:32:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:32:06,566 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:06,567 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 00:32:06,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:32:06,567 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:06,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:06,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2021-10-11 00:32:06,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:06,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101848687] [2021-10-11 00:32:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:06,679 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 00:32:06,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101848687] [2021-10-11 00:32:06,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:06,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:32:06,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176353220] [2021-10-11 00:32:06,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:32:06,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:06,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:32:06,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:32:06,686 INFO L87 Difference]: Start difference. First operand 59 states and 81 transitions. Second operand 3 states. [2021-10-11 00:32:06,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:06,709 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-10-11 00:32:06,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:32:06,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:32:06,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:06,713 INFO L225 Difference]: With dead ends: 59 [2021-10-11 00:32:06,713 INFO L226 Difference]: Without dead ends: 29 [2021-10-11 00:32:06,715 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 00:32:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-11 00:32:06,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-11 00:32:06,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2021-10-11 00:32:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-11 00:32:06,729 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-11 00:32:06,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:06,730 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-11 00:32:06,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:32:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-11 00:32:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:32:06,731 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:06,735 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 00:32:06,735 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:32:06,735 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:06,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:06,736 INFO L82 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2021-10-11 00:32:06,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:06,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741862608] [2021-10-11 00:32:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:32:06,911 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 00:32:06,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741862608] [2021-10-11 00:32:06,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:32:06,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:32:06,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379901541] [2021-10-11 00:32:06,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:32:06,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:32:06,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:32:06,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:32:06,914 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand 5 states. [2021-10-11 00:32:07,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:32:07,087 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2021-10-11 00:32:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:32:07,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 00:32:07,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:32:07,093 INFO L225 Difference]: With dead ends: 130 [2021-10-11 00:32:07,094 INFO L226 Difference]: Without dead ends: 107 [2021-10-11 00:32:07,094 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 00:32:07,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-11 00:32:07,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2021-10-11 00:32:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2021-10-11 00:32:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2021-10-11 00:32:07,124 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2021-10-11 00:32:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:32:07,125 INFO L481 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2021-10-11 00:32:07,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:32:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2021-10-11 00:32:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:32:07,127 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:32:07,127 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 00:32:07,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:32:07,128 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:32:07,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:32:07,130 INFO L82 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2021-10-11 00:32:07,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:32:07,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498426696] [2021-10-11 00:32:07,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:32:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:07,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:32:07,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:32:07,462 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:32:07,463 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:32:07,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:32:07,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:32:07 BoogieIcfgContainer [2021-10-11 00:32:07,593 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:32:07,594 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:32:07,594 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:32:07,594 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:32:07,594 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:32:05" (3/4) ... [2021-10-11 00:32:07,596 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:32:07,725 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89031476-0484-40dc-9c70-34f11478c6bc/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:32:07,725 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:32:07,727 INFO L168 Benchmark]: Toolchain (without parser) took 3579.97 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 74.7 MB in the beginning and 71.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,729 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:32:07,730 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.24 ms. Allocated memory is still 109.1 MB. Free memory was 74.4 MB in the beginning and 74.6 MB in the end (delta: -219.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,730 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.18 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 72.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,733 INFO L168 Benchmark]: Boogie Preprocessor took 67.70 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,733 INFO L168 Benchmark]: RCFGBuilder took 1051.95 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 70.0 MB in the beginning and 107.5 MB in the end (delta: -37.5 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,734 INFO L168 Benchmark]: TraceAbstraction took 1600.83 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 82.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,734 INFO L168 Benchmark]: Witness Printer took 131.43 ms. Allocated memory is still 140.5 MB. Free memory was 82.3 MB in the beginning and 71.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:32:07,738 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 77.6 MB. Free memory was 35.7 MB in the beginning and 35.7 MB in the end (delta: 39.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.24 ms. Allocated memory is still 109.1 MB. Free memory was 74.4 MB in the beginning and 74.6 MB in the end (delta: -219.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.18 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 72.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 67.70 ms. Allocated memory is still 109.1 MB. Free memory was 72.1 MB in the beginning and 70.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1051.95 ms. Allocated memory was 109.1 MB in the beginning and 140.5 MB in the end (delta: 31.5 MB). Free memory was 70.0 MB in the beginning and 107.5 MB in the end (delta: -37.5 MB). Peak memory consumption was 46.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1600.83 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 82.3 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * Witness Printer took 131.43 ms. Allocated memory is still 140.5 MB. Free memory was 82.3 MB in the beginning and 71.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 150]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L226] int pumpRunning = 0; [L227] int systemActive = 1; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L354] int tmp ; [L355] int tmp___0 ; [L356] int tmp___1 ; [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L366] tmp___0 = getWaterLevel() [L368] COND TRUE tmp___0 == 2 [L307] int retValue_acc ; [L310] retValue_acc = pumpRunning [L311] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L370] tmp___1 = isPumpRunning() [L372] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 63 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 184 SDtfs, 169 SDslu, 148 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred 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, 3 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 2134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 incorrect! Received shutdown request...