./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD --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 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-b2eff8b [2021-10-29 00:04:00,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:04:00,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:04:00,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:04:00,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:04:00,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:04:00,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:04:00,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:04:00,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:04:00,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:04:00,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:04:00,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:04:00,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:04:00,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:04:00,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:04:00,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:04:00,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:04:00,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:04:00,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:04:00,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:04:00,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:04:00,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:04:00,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:04:00,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:04:00,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:04:00,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:04:00,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:04:00,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:04:00,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:04:00,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:04:00,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:04:00,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:04:00,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:04:00,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:04:00,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:04:00,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:04:00,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:04:00,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:04:00,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:04:00,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:04:00,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:04:00,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-29 00:04:00,941 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:04:00,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:04:00,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:04:00,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:04:00,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:04:00,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:04:00,945 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:04:00,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:04:00,945 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:04:00,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:04:00,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:04:00,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:04:00,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 00:04:00,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 00:04:00,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 00:04:00,946 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:04:00,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:04:00,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:04:00,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 00:04:00,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:04:00,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:04:00,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 00:04:00,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:00,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:04:00,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 00:04:00,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 00:04:00,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:04:00,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 00:04:00,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-29 00:04:00,949 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-29 00:04:00,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 00:04:00,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:04:00,949 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_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2efd89abea8f395c763606eb884193ead53dd4c60c121d08f464917c0ce7119b [2021-10-29 00:04:01,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:04:01,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:04:01,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:04:01,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:04:01,404 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:04:01,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-29 00:04:01,503 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/data/c4f5f3071/77e9a33e5ed9498bb27a329a20411e1e/FLAG6e82c5381 [2021-10-29 00:04:02,261 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:04:02,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c [2021-10-29 00:04:02,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/data/c4f5f3071/77e9a33e5ed9498bb27a329a20411e1e/FLAG6e82c5381 [2021-10-29 00:04:02,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/data/c4f5f3071/77e9a33e5ed9498bb27a329a20411e1e [2021-10-29 00:04:02,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:04:02,556 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:04:02,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:02,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:04:02,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:04:02,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:02" (1/1) ... [2021-10-29 00:04:02,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11030523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:02, skipping insertion in model container [2021-10-29 00:04:02,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:04:02" (1/1) ... [2021-10-29 00:04:02,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:04:02,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:04:03,045 WARN L228 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_b15516dd-52aa-43ca-ab0c-b891545e1904/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135] [2021-10-29 00:04:03,069 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:03,081 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:04:03,158 WARN L228 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_b15516dd-52aa-43ca-ab0c-b891545e1904/sv-benchmarks/c/product-lines/minepump_spec3_product60.cil.c[16122,16135] [2021-10-29 00:04:03,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:04:03,210 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:04:03,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03 WrapperNode [2021-10-29 00:04:03,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:04:03,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:03,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:04:03,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:04:03,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:04:03,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:04:03,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:04:03,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:04:03,359 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:04:03,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:04:03,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:04:03,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:04:03,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (1/1) ... [2021-10-29 00:04:03,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 00:04:03,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:04:03,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 00:04:03,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 00:04:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:04:03,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:04:03,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:04:03,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:04:04,928 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:04:04,928 INFO L299 CfgBuilder]: Removed 204 assume(true) statements. [2021-10-29 00:04:04,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:04 BoogieIcfgContainer [2021-10-29 00:04:04,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:04:04,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 00:04:04,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 00:04:04,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 00:04:04,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 12:04:02" (1/3) ... [2021-10-29 00:04:04,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b7a825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:04:04, skipping insertion in model container [2021-10-29 00:04:04,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:04:03" (2/3) ... [2021-10-29 00:04:04,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33b7a825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 12:04:04, skipping insertion in model container [2021-10-29 00:04:04,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:04" (3/3) ... [2021-10-29 00:04:04,947 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product60.cil.c [2021-10-29 00:04:04,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 00:04:04,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-29 00:04:05,028 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 00:04:05,061 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-29 00:04:05,062 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-29 00:04:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 142 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 00:04:05,148 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:05,149 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:05,150 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:05,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:05,159 INFO L85 PathProgramCache]: Analyzing trace with hash -101624794, now seen corresponding path program 1 times [2021-10-29 00:04:05,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:05,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116362758] [2021-10-29 00:04:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:05,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:05,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:05,463 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116362758] [2021-10-29 00:04:05,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116362758] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:05,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:05,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:04:05,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063675083] [2021-10-29 00:04:05,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 00:04:05,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:05,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 00:04:05,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 00:04:05,494 INFO L87 Difference]: Start difference. First operand has 143 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 142 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:05,536 INFO L93 Difference]: Finished difference Result 280 states and 419 transitions. [2021-10-29 00:04:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 00:04:05,537 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-29 00:04:05,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:05,552 INFO L225 Difference]: With dead ends: 280 [2021-10-29 00:04:05,552 INFO L226 Difference]: Without dead ends: 139 [2021-10-29 00:04:05,556 INFO L786 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 [2021-10-29 00:04:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-29 00:04:05,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-29 00:04:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 136 states have (on average 1.4779411764705883) internal successors, (201), 138 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-29 00:04:05,615 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 18 [2021-10-29 00:04:05,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:05,616 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-29 00:04:05,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,617 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-29 00:04:05,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 00:04:05,619 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:05,619 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:05,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 00:04:05,620 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:05,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:05,621 INFO L85 PathProgramCache]: Analyzing trace with hash 524834626, now seen corresponding path program 1 times [2021-10-29 00:04:05,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:05,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794343583] [2021-10-29 00:04:05,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:05,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:05,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:05,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794343583] [2021-10-29 00:04:05,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794343583] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:05,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:05,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 00:04:05,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358158829] [2021-10-29 00:04:05,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:05,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:05,826 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:05,844 INFO L93 Difference]: Finished difference Result 139 states and 201 transitions. [2021-10-29 00:04:05,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:05,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-29 00:04:05,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:05,846 INFO L225 Difference]: With dead ends: 139 [2021-10-29 00:04:05,847 INFO L226 Difference]: Without dead ends: 57 [2021-10-29 00:04:05,848 INFO L786 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 [2021-10-29 00:04:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-29 00:04:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-29 00:04:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2021-10-29 00:04:05,857 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2021-10-29 00:04:05,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:05,858 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2021-10-29 00:04:05,858 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:05,859 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2021-10-29 00:04:05,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-29 00:04:05,860 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:05,861 INFO L513 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] [2021-10-29 00:04:05,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 00:04:05,862 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:05,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:05,863 INFO L85 PathProgramCache]: Analyzing trace with hash 691260675, now seen corresponding path program 1 times [2021-10-29 00:04:05,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:05,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780736151] [2021-10-29 00:04:05,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:05,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:06,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:06,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780736151] [2021-10-29 00:04:06,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780736151] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:06,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:06,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:04:06,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196405664] [2021-10-29 00:04:06,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:04:06,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:06,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:04:06,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:06,011 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:06,139 INFO L93 Difference]: Finished difference Result 133 states and 195 transitions. [2021-10-29 00:04:06,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 00:04:06,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-29 00:04:06,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:06,142 INFO L225 Difference]: With dead ends: 133 [2021-10-29 00:04:06,142 INFO L226 Difference]: Without dead ends: 82 [2021-10-29 00:04:06,143 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-29 00:04:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-10-29 00:04:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2021-10-29 00:04:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.4805194805194806) internal successors, (114), 77 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 114 transitions. [2021-10-29 00:04:06,182 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 114 transitions. Word has length 24 [2021-10-29 00:04:06,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:06,183 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 114 transitions. [2021-10-29 00:04:06,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2021-10-29 00:04:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 00:04:06,185 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:06,185 INFO L513 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] [2021-10-29 00:04:06,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 00:04:06,186 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:06,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2134675258, now seen corresponding path program 1 times [2021-10-29 00:04:06,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064367646] [2021-10-29 00:04:06,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:06,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:06,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:06,326 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064367646] [2021-10-29 00:04:06,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064367646] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:06,331 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:06,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 00:04:06,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718572575] [2021-10-29 00:04:06,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 00:04:06,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:06,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 00:04:06,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 00:04:06,334 INFO L87 Difference]: Start difference. First operand 78 states and 114 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:06,411 INFO L93 Difference]: Finished difference Result 173 states and 255 transitions. [2021-10-29 00:04:06,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 00:04:06,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-29 00:04:06,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:06,419 INFO L225 Difference]: With dead ends: 173 [2021-10-29 00:04:06,419 INFO L226 Difference]: Without dead ends: 101 [2021-10-29 00:04:06,422 INFO L786 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 [2021-10-29 00:04:06,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2021-10-29 00:04:06,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2021-10-29 00:04:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2021-10-29 00:04:06,449 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 26 [2021-10-29 00:04:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:06,449 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2021-10-29 00:04:06,450 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,450 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2021-10-29 00:04:06,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 00:04:06,456 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:06,457 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 00:04:06,457 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:06,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,458 INFO L85 PathProgramCache]: Analyzing trace with hash 127920088, now seen corresponding path program 1 times [2021-10-29 00:04:06,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593460234] [2021-10-29 00:04:06,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:04:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:04:06,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:04:06,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593460234] [2021-10-29 00:04:06,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593460234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:04:06,618 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:04:06,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 00:04:06,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355672252] [2021-10-29 00:04:06,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 00:04:06,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:04:06,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 00:04:06,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-29 00:04:06,622 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:04:06,824 INFO L93 Difference]: Finished difference Result 566 states and 826 transitions. [2021-10-29 00:04:06,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 00:04:06,825 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-29 00:04:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 00:04:06,830 INFO L225 Difference]: With dead ends: 566 [2021-10-29 00:04:06,830 INFO L226 Difference]: Without dead ends: 473 [2021-10-29 00:04:06,834 INFO L786 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 [2021-10-29 00:04:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-10-29 00:04:06,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 184. [2021-10-29 00:04:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 183 states have (on average 1.4098360655737705) internal successors, (258), 183 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 258 transitions. [2021-10-29 00:04:06,880 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 258 transitions. Word has length 27 [2021-10-29 00:04:06,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 00:04:06,881 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 258 transitions. [2021-10-29 00:04:06,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 00:04:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 258 transitions. [2021-10-29 00:04:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-29 00:04:06,883 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 00:04:06,883 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:04:06,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 00:04:06,884 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 00:04:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:04:06,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1572343654, now seen corresponding path program 1 times [2021-10-29 00:04:06,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:04:06,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235570655] [2021-10-29 00:04:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:04:06,886 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:04:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:06,976 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:04:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:04:07,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:04:07,118 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 00:04:07,120 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:04:07,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:04:07,122 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 00:04:07,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 00:04:07,127 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-10-29 00:04:07,131 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 00:04:07,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 12:04:07 BoogieIcfgContainer [2021-10-29 00:04:07,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 00:04:07,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:04:07,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:04:07,243 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:04:07,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:04:04" (3/4) ... [2021-10-29 00:04:07,246 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 00:04:07,367 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:04:07,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:04:07,369 INFO L168 Benchmark]: Toolchain (without parser) took 4811.91 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 86.1 MB in the beginning and 73.8 MB in the end (delta: 12.3 MB). Peak memory consumption was 34.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,369 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:04:07,370 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.29 ms. Allocated memory is still 107.0 MB. Free memory was 85.9 MB in the beginning and 68.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.43 ms. Allocated memory is still 107.0 MB. Free memory was 68.4 MB in the beginning and 64.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,371 INFO L168 Benchmark]: Boogie Preprocessor took 90.93 ms. Allocated memory is still 107.0 MB. Free memory was 64.5 MB in the beginning and 61.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,372 INFO L168 Benchmark]: RCFGBuilder took 1492.69 ms. Allocated memory is still 107.0 MB. Free memory was 61.4 MB in the beginning and 37.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,372 INFO L168 Benchmark]: TraceAbstraction took 2308.80 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 37.0 MB in the beginning and 85.4 MB in the end (delta: -48.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,373 INFO L168 Benchmark]: Witness Printer took 124.01 ms. Allocated memory is still 130.0 MB. Free memory was 85.4 MB in the beginning and 73.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:04:07,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 77.6 MB. Free memory is still 51.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 654.29 ms. Allocated memory is still 107.0 MB. Free memory was 85.9 MB in the beginning and 68.4 MB in the end (delta: 17.4 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 133.43 ms. Allocated memory is still 107.0 MB. Free memory was 68.4 MB in the beginning and 64.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.93 ms. Allocated memory is still 107.0 MB. Free memory was 64.5 MB in the beginning and 61.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1492.69 ms. Allocated memory is still 107.0 MB. Free memory was 61.4 MB in the beginning and 37.0 MB in the end (delta: 24.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2308.80 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 37.0 MB in the beginning and 85.4 MB in the end (delta: -48.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * Witness Printer took 124.01 ms. Allocated memory is still 130.0 MB. Free memory was 85.4 MB in the beginning and 73.8 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 779]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L134] int pumpRunning = 0; [L135] int systemActive = 1; [L578] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L822] int waterLevel = 1; [L823] int methaneLevelCritical = 0; [L925] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L998] int retValue_acc ; [L999] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L813] int retValue_acc ; [L816] retValue_acc = 1 [L817] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1005] tmp = valid_product() [L1007] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L66] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L840] COND TRUE waterLevel < 2 [L841] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___1) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L353] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] systemActive = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L142] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L149] COND FALSE !(\read(systemActive)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L376] int tmp ; [L377] int tmp___0 ; [L378] int tmp___1 ; [L861] int retValue_acc ; [L864] retValue_acc = methaneLevelCritical [L865] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L382] tmp = isMethaneLevelCritical() [L384] COND FALSE !(\read(tmp)) [L893] int retValue_acc ; [L896] retValue_acc = waterLevel [L897] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L388] tmp___0 = getWaterLevel() [L390] COND TRUE tmp___0 == 2 [L267] int retValue_acc ; [L270] retValue_acc = pumpRunning [L271] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L392] tmp___1 = isPumpRunning() [L394] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L779] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - UnprovableResult [Line: 779]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 779]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 575 SDtfs, 845 SDslu, 404 SDs, 0 SdLazy, 76 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 295 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 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 incorrect! [2021-10-29 00:04:07,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b15516dd-52aa-43ca-ab0c-b891545e1904/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...