./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-28 22:49:49,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:49:49,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:49:49,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:49:49,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:49:49,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:49:49,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:49:49,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:49:49,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:49:49,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:49:49,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:49:49,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:49:49,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:49:49,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:49:49,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:49:49,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:49:49,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:49:49,806 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:49:49,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:49:49,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:49:49,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:49:49,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:49:49,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:49:49,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:49:49,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:49:49,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:49:49,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:49:49,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:49:49,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:49:49,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:49:49,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:49:49,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:49:49,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:49:49,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:49:49,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:49:49,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:49:49,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:49:49,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:49:49,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:49:49,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:49:49,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:49:49,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:49:49,891 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:49:49,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:49:49,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:49:49,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:49:49,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:49:49,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:49:49,894 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:49:49,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:49:49,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:49:49,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:49:49,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:49:49,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:49:49,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:49:49,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:49:49,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:49:49,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:49:49,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:49:49,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:49:49,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:49:49,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:49:49,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:49:49,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:49:49,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:49:49,899 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:49:49,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:49:49,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:49:49,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:49:49,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:49:49,900 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:49:49,900 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:49:49,900 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:49:49,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:49:49,901 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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2021-10-28 22:49:50,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:49:50,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:49:50,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:49:50,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:49:50,227 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:49:50,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-28 22:49:50,303 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/data/0ac3b2a3d/489b1f11763242cc803149ce993419dd/FLAG585dc665a [2021-10-28 22:49:50,909 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:49:50,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2021-10-28 22:49:50,931 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/data/0ac3b2a3d/489b1f11763242cc803149ce993419dd/FLAG585dc665a [2021-10-28 22:49:51,179 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/data/0ac3b2a3d/489b1f11763242cc803149ce993419dd [2021-10-28 22:49:51,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:49:51,183 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:49:51,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:51,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:49:51,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:49:51,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a37e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51, skipping insertion in model container [2021-10-28 22:49:51,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:49:51,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:49:51,477 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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-28 22:49:51,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:51,594 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:49:51,622 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_870b4dbe-ba8c-434a-afe2-ce5b1d505499/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2021-10-28 22:49:51,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:49:51,727 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:49:51,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51 WrapperNode [2021-10-28 22:49:51,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:49:51,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:51,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:49:51,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:49:51,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:49:51,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:49:51,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:49:51,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:49:51,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:49:51,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:49:51,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:49:51,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:49:51,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (1/1) ... [2021-10-28 22:49:51,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:49:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:49:51,912 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:49:51,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:49:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:49:51,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:49:51,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:49:51,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:49:52,859 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:49:52,860 INFO L299 CfgBuilder]: Removed 72 assume(true) statements. [2021-10-28 22:49:52,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:52 BoogieIcfgContainer [2021-10-28 22:49:52,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:49:52,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:49:52,864 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:49:52,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:49:52,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:49:51" (1/3) ... [2021-10-28 22:49:52,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed6da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:49:52, skipping insertion in model container [2021-10-28 22:49:52,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:49:51" (2/3) ... [2021-10-28 22:49:52,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79ed6da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:49:52, skipping insertion in model container [2021-10-28 22:49:52,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:52" (3/3) ... [2021-10-28 22:49:52,871 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2021-10-28 22:49:52,876 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:49:52,877 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:49:52,926 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:49:52,933 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 [2021-10-28 22:49:52,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:49:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-10-28 22:49:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 22:49:52,955 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:49:52,956 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:52,957 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:49:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:52,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1527487174, now seen corresponding path program 1 times [2021-10-28 22:49:52,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:52,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787494565] [2021-10-28 22:49:52,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:52,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:53,235 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:53,235 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787494565] [2021-10-28 22:49:53,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787494565] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:53,237 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:53,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:49:53,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489654615] [2021-10-28 22:49:53,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:49:53,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:53,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:49:53,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:49:53,274 INFO L87 Difference]: Start difference. First operand has 63 states, 59 states have (on average 1.576271186440678) internal successors, (93), 62 states have internal predecessors, (93), 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) [2021-10-28 22:49:53,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:53,297 INFO L93 Difference]: Finished difference Result 120 states and 179 transitions. [2021-10-28 22:49:53,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:49:53,298 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 [2021-10-28 22:49:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:49:53,308 INFO L225 Difference]: With dead ends: 120 [2021-10-28 22:49:53,308 INFO L226 Difference]: Without dead ends: 59 [2021-10-28 22:49:53,314 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 [2021-10-28 22:49:53,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-10-28 22:49:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-10-28 22:49:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 58 states have internal predecessors, (81), 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) [2021-10-28 22:49:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2021-10-28 22:49:53,364 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 81 transitions. Word has length 18 [2021-10-28 22:49:53,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:49:53,365 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 81 transitions. [2021-10-28 22:49:53,365 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) [2021-10-28 22:49:53,366 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2021-10-28 22:49:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:49:53,368 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:49:53,368 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:49:53,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:49:53,373 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:49:53,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1856449369, now seen corresponding path program 1 times [2021-10-28 22:49:53,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766293957] [2021-10-28 22:49:53,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:53,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:53,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766293957] [2021-10-28 22:49:53,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766293957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:53,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:53,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:49:53,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435436310] [2021-10-28 22:49:53,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:49:53,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:53,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:49:53,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:49:53,527 INFO L87 Difference]: Start difference. First operand 59 states and 81 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) [2021-10-28 22:49:53,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:53,536 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2021-10-28 22:49:53,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:49:53,536 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 [2021-10-28 22:49:53,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:49:53,537 INFO L225 Difference]: With dead ends: 59 [2021-10-28 22:49:53,537 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 22:49:53,538 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 [2021-10-28 22:49:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 22:49:53,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 22:49:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 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) [2021-10-28 22:49:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-28 22:49:53,550 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-28 22:49:53,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:49:53,551 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-28 22:49:53,551 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) [2021-10-28 22:49:53,552 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-28 22:49:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:49:53,553 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:49:53,555 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] [2021-10-28 22:49:53,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:49:53,556 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:49:53,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,556 INFO L85 PathProgramCache]: Analyzing trace with hash 274878546, now seen corresponding path program 1 times [2021-10-28 22:49:53,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3066987] [2021-10-28 22:49:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:49:53,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:49:53,669 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:49:53,669 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3066987] [2021-10-28 22:49:53,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3066987] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:49:53,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:49:53,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:49:53,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80440688] [2021-10-28 22:49:53,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:49:53,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:49:53,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:49:53,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:49:53,673 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-28 22:49:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:49:53,818 INFO L93 Difference]: Finished difference Result 130 states and 199 transitions. [2021-10-28 22:49:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 22:49:53,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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 [2021-10-28 22:49:53,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:49:53,821 INFO L225 Difference]: With dead ends: 130 [2021-10-28 22:49:53,823 INFO L226 Difference]: Without dead ends: 107 [2021-10-28 22:49:53,824 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 [2021-10-28 22:49:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-28 22:49:53,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 48. [2021-10-28 22:49:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.425531914893617) internal successors, (67), 47 states have internal predecessors, (67), 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) [2021-10-28 22:49:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 67 transitions. [2021-10-28 22:49:53,845 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 67 transitions. Word has length 24 [2021-10-28 22:49:53,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:49:53,846 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 67 transitions. [2021-10-28 22:49:53,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 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) [2021-10-28 22:49:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2021-10-28 22:49:53,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 22:49:53,849 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:49:53,849 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] [2021-10-28 22:49:53,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:49:53,850 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:49:53,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:49:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2143629616, now seen corresponding path program 1 times [2021-10-28 22:49:53,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:49:53,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811312340] [2021-10-28 22:49:53,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:49:53,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:49:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,000 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:49:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:49:54,145 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:49:54,146 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:49:54,147 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:54,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:54,149 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:49:54,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:49:54,153 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 22:49:54,157 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:49:54,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:49:54 BoogieIcfgContainer [2021-10-28 22:49:54,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:49:54,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:49:54,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:49:54,287 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:49:54,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:49:52" (3/4) ... [2021-10-28 22:49:54,290 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 22:49:54,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:49:54,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:49:54,361 INFO L168 Benchmark]: Toolchain (without parser) took 3176.97 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 55.6 MB in the beginning and 92.7 MB in the end (delta: -37.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:54,362 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:49:54,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 539.61 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 60.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.31 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 57.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,363 INFO L168 Benchmark]: Boogie Preprocessor took 51.81 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 55.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,364 INFO L168 Benchmark]: RCFGBuilder took 994.89 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 55.2 MB in the beginning and 81.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,364 INFO L168 Benchmark]: TraceAbstraction took 1422.41 ms. Allocated memory is still 127.9 MB. Free memory was 81.2 MB in the beginning and 103.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,365 INFO L168 Benchmark]: Witness Printer took 72.65 ms. Allocated memory is still 127.9 MB. Free memory was 103.2 MB in the beginning and 92.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:49:54,367 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 92.3 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 539.61 ms. Allocated memory is still 92.3 MB. Free memory was 55.5 MB in the beginning and 60.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.31 ms. Allocated memory is still 92.3 MB. Free memory was 59.9 MB in the beginning and 57.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.81 ms. Allocated memory is still 92.3 MB. Free memory was 57.3 MB in the beginning and 55.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 994.89 ms. Allocated memory was 92.3 MB in the beginning and 127.9 MB in the end (delta: 35.7 MB). Free memory was 55.2 MB in the beginning and 81.7 MB in the end (delta: -26.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1422.41 ms. Allocated memory is still 127.9 MB. Free memory was 81.2 MB in the beginning and 103.2 MB in the end (delta: -22.0 MB). Peak memory consumption was 40.9 MB. Max. memory is 16.1 GB. * Witness Printer took 72.65 ms. Allocated memory is still 127.9 MB. Free memory was 103.2 MB in the beginning and 92.7 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: - 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: 312]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L179] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L181] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L187] tmp = __VERIFIER_nondet_int() [L189] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L66] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L73] COND TRUE \read(systemActive) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] tmp___0 = getWaterLevel() [L289] COND TRUE tmp___0 == 2 [L121] int retValue_acc ; [L124] retValue_acc = pumpRunning [L125] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L291] tmp___1 = isPumpRunning() [L293] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - UnprovableResult [Line: 312]: 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: 312]: 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, 63 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 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, InterpolantAutomatonStates: 12, 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, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 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! [2021-10-28 22:49:54,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870b4dbe-ba8c-434a-afe2-ce5b1d505499/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...