./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa --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 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:38:59,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:38:59,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:38:59,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:38:59,095 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:38:59,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:38:59,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:38:59,099 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:38:59,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:38:59,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:38:59,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:38:59,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:38:59,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:38:59,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:38:59,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:38:59,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:38:59,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:38:59,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:38:59,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:38:59,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:38:59,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:38:59,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:38:59,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:38:59,117 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:38:59,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:38:59,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:38:59,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:38:59,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:38:59,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:38:59,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:38:59,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:38:59,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:38:59,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:38:59,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:38:59,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:38:59,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:38:59,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:38:59,126 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:38:59,126 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:38:59,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:38:59,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:38:59,128 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 22:38:59,146 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:38:59,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:38:59,146 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:38:59,147 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:38:59,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 22:38:59,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 22:38:59,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:38:59,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:38:59,148 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:38:59,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 22:38:59,149 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 22:38:59,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 22:38:59,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:38:59,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 22:38:59,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 22:38:59,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:38:59,152 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_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91f8c6903979fd5720147c225d8a0b2231171c76981a3eb8612b1d57661722a0 [2021-12-06 22:38:59,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:38:59,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:38:59,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:38:59,346 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:38:59,346 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:38:59,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-12-06 22:38:59,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/data/107cbae54/a341008d2c674af8a2f7dee3579c5053/FLAGf20617000 [2021-12-06 22:38:59,822 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:38:59,823 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c [2021-12-06 22:38:59,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/data/107cbae54/a341008d2c674af8a2f7dee3579c5053/FLAGf20617000 [2021-12-06 22:38:59,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/data/107cbae54/a341008d2c674af8a2f7dee3579c5053 [2021-12-06 22:38:59,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:38:59,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:38:59,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:38:59,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:38:59,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:38:59,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:38:59" (1/1) ... [2021-12-06 22:38:59,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@194411d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:38:59, skipping insertion in model container [2021-12-06 22:38:59,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:38:59" (1/1) ... [2021-12-06 22:38:59,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:38:59,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:39:00,062 WARN L230 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_793a1c57-e82b-4f95-8c87-1dc5c9524a44/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-12-06 22:39:00,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:39:00,087 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:39:00,125 WARN L230 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_793a1c57-e82b-4f95-8c87-1dc5c9524a44/sv-benchmarks/c/product-lines/minepump_spec1_product06.cil.c[13476,13489] [2021-12-06 22:39:00,136 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:39:00,149 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:39:00,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00 WrapperNode [2021-12-06 22:39:00,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:39:00,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:39:00,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:39:00,150 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:39:00,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,187 INFO L137 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 204 [2021-12-06 22:39:00,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:39:00,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:39:00,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:39:00,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:39:00,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:39:00,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:39:00,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:39:00,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:39:00,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (1/1) ... [2021-12-06 22:39:00,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 22:39:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:39:00,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 22:39:00,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 22:39:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 22:39:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 22:39:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 22:39:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 22:39:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 22:39:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 22:39:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 22:39:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 22:39:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 22:39:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 22:39:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 22:39:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 22:39:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 22:39:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 22:39:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:39:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:39:00,336 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:39:00,337 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:39:00,521 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:39:00,526 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:39:00,527 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 22:39:00,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:39:00 BoogieIcfgContainer [2021-12-06 22:39:00,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:39:00,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 22:39:00,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 22:39:00,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 22:39:00,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 10:38:59" (1/3) ... [2021-12-06 22:39:00,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f586928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:39:00, skipping insertion in model container [2021-12-06 22:39:00,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:39:00" (2/3) ... [2021-12-06 22:39:00,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f586928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 10:39:00, skipping insertion in model container [2021-12-06 22:39:00,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:39:00" (3/3) ... [2021-12-06 22:39:00,535 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2021-12-06 22:39:00,540 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 22:39:00,540 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 22:39:00,576 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 22:39:00,581 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 [2021-12-06 22:39:00,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 22:39:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 22:39:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 22:39:00,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:00,601 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:00,601 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:00,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:00,605 INFO L85 PathProgramCache]: Analyzing trace with hash -837976758, now seen corresponding path program 1 times [2021-12-06 22:39:00,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:00,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330385994] [2021-12-06 22:39:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:00,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 22:39:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:39:00,770 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:00,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330385994] [2021-12-06 22:39:00,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330385994] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:00,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:00,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:39:00,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205463327] [2021-12-06 22:39:00,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:00,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 22:39:00,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:00,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:39:00,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:39:00,802 INFO L87 Difference]: Start difference. First operand has 73 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:00,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:00,824 INFO L93 Difference]: Finished difference Result 138 states and 187 transitions. [2021-12-06 22:39:00,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:39:00,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-06 22:39:00,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:00,832 INFO L225 Difference]: With dead ends: 138 [2021-12-06 22:39:00,832 INFO L226 Difference]: Without dead ends: 64 [2021-12-06 22:39:00,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:39:00,837 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:00,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:39:00,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-06 22:39:00,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-06 22:39:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 22:39:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-12-06 22:39:00,869 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 23 [2021-12-06 22:39:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:00,870 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-12-06 22:39:00,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-12-06 22:39:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 22:39:00,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:00,872 INFO L514 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] [2021-12-06 22:39:00,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 22:39:00,872 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:00,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash 394081937, now seen corresponding path program 1 times [2021-12-06 22:39:00,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:00,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442573479] [2021-12-06 22:39:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:00,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:00,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 22:39:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:39:00,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:00,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442573479] [2021-12-06 22:39:00,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442573479] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:00,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:00,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:39:00,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887783368] [2021-12-06 22:39:00,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:00,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:39:00,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:00,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:39:00,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:39:00,937 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:00,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:00,950 INFO L93 Difference]: Finished difference Result 93 states and 117 transitions. [2021-12-06 22:39:00,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:39:00,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-06 22:39:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:00,953 INFO L225 Difference]: With dead ends: 93 [2021-12-06 22:39:00,953 INFO L226 Difference]: Without dead ends: 55 [2021-12-06 22:39:00,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:39:00,955 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 13 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:00,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:39:00,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-06 22:39:00,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-06 22:39:00,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 22:39:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2021-12-06 22:39:00,965 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 24 [2021-12-06 22:39:00,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:00,966 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2021-12-06 22:39:00,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:00,966 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2021-12-06 22:39:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 22:39:00,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:00,967 INFO L514 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, 1] [2021-12-06 22:39:00,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 22:39:00,968 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:00,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:00,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1683662735, now seen corresponding path program 1 times [2021-12-06 22:39:00,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:00,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911729385] [2021-12-06 22:39:00,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:00,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:39:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:39:01,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:01,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911729385] [2021-12-06 22:39:01,027 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911729385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:01,027 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:01,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:39:01,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841227205] [2021-12-06 22:39:01,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:01,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 22:39:01,028 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:01,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:39:01,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:39:01,029 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:01,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:01,051 INFO L93 Difference]: Finished difference Result 103 states and 132 transitions. [2021-12-06 22:39:01,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:39:01,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-12-06 22:39:01,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:01,053 INFO L225 Difference]: With dead ends: 103 [2021-12-06 22:39:01,053 INFO L226 Difference]: Without dead ends: 55 [2021-12-06 22:39:01,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:39:01,055 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:01,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 67 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:39:01,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-06 22:39:01,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-06 22:39:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 22:39:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2021-12-06 22:39:01,065 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 29 [2021-12-06 22:39:01,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:01,065 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2021-12-06 22:39:01,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 22:39:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2021-12-06 22:39:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 22:39:01,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:01,067 INFO L514 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, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:01,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 22:39:01,068 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:01,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:01,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1180569682, now seen corresponding path program 1 times [2021-12-06 22:39:01,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:01,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230552559] [2021-12-06 22:39:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:01,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 22:39:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 22:39:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:39:01,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:01,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230552559] [2021-12-06 22:39:01,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230552559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:01,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:01,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:39:01,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759758576] [2021-12-06 22:39:01,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:01,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:39:01,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:01,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:39:01,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:39:01,155 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:39:01,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:01,219 INFO L93 Difference]: Finished difference Result 150 states and 192 transitions. [2021-12-06 22:39:01,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 22:39:01,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2021-12-06 22:39:01,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:01,222 INFO L225 Difference]: With dead ends: 150 [2021-12-06 22:39:01,222 INFO L226 Difference]: Without dead ends: 102 [2021-12-06 22:39:01,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:39:01,224 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 39 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:01,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 321 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:39:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-06 22:39:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2021-12-06 22:39:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 74 states have (on average 1.2837837837837838) internal successors, (95), 83 states have internal predecessors, (95), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (15), 12 states have call predecessors, (15), 14 states have call successors, (15) [2021-12-06 22:39:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2021-12-06 22:39:01,240 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 34 [2021-12-06 22:39:01,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:01,241 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2021-12-06 22:39:01,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 22:39:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2021-12-06 22:39:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 22:39:01,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 22:39:01,243 INFO L514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:39:01,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 22:39:01,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 22:39:01,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:39:01,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1507516342, now seen corresponding path program 1 times [2021-12-06 22:39:01,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:39:01,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789246214] [2021-12-06 22:39:01,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:39:01,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:39:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 22:39:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 22:39:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 22:39:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:39:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:39:01,318 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:39:01,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789246214] [2021-12-06 22:39:01,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789246214] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:39:01,319 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:39:01,319 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 22:39:01,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440614700] [2021-12-06 22:39:01,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:39:01,319 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 22:39:01,319 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:39:01,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 22:39:01,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 22:39:01,320 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:39:01,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:39:01,384 INFO L93 Difference]: Finished difference Result 176 states and 221 transitions. [2021-12-06 22:39:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 22:39:01,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-12-06 22:39:01,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 22:39:01,385 INFO L225 Difference]: With dead ends: 176 [2021-12-06 22:39:01,385 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 22:39:01,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:39:01,387 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 45 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 22:39:01,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 129 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 22:39:01,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 22:39:01,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 22:39:01,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-12-06 22:39:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 22:39:01,388 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-06 22:39:01,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 22:39:01,388 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:39:01,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-12-06 22:39:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:39:01,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 22:39:01,391 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 22:39:01,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 22:39:01,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 22:39:01,633 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 773 779) no Hoare annotation was computed. [2021-12-06 22:39:01,633 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 773 779) the Hoare annotation is: true [2021-12-06 22:39:01,633 INFO L858 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2021-12-06 22:39:01,633 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-12-06 22:39:01,634 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2021-12-06 22:39:01,634 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2021-12-06 22:39:01,634 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2021-12-06 22:39:01,634 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2021-12-06 22:39:01,634 INFO L854 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,634 INFO L854 garLoopResultBuilder]: At program point L564(line 564) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,634 INFO L858 garLoopResultBuilder]: For program point L564-1(line 564) no Hoare annotation was computed. [2021-12-06 22:39:01,634 INFO L854 garLoopResultBuilder]: At program point L589(lines 584 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,634 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 749 772) no Hoare annotation was computed. [2021-12-06 22:39:01,634 INFO L854 garLoopResultBuilder]: At program point L800(line 800) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,635 INFO L854 garLoopResultBuilder]: At program point L800-1(lines 781 805) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,635 INFO L854 garLoopResultBuilder]: At program point L829(lines 822 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,635 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2021-12-06 22:39:01,635 INFO L854 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,635 INFO L854 garLoopResultBuilder]: At program point L838(lines 833 841) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-12-06 22:39:01,635 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 576) no Hoare annotation was computed. [2021-12-06 22:39:01,635 INFO L858 garLoopResultBuilder]: For program point L760-1(lines 760 766) no Hoare annotation was computed. [2021-12-06 22:39:01,635 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 579) no Hoare annotation was computed. [2021-12-06 22:39:01,635 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 797) no Hoare annotation was computed. [2021-12-06 22:39:01,635 INFO L854 garLoopResultBuilder]: At program point L566-1(lines 558 582) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point L785(lines 785 802) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point L827-1(line 827) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L854 garLoopResultBuilder]: At program point L819(lines 814 821) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point L753-1(lines 752 771) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 749 772) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point L588(line 588) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 749 772) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2021-12-06 22:39:01,636 INFO L861 garLoopResultBuilder]: At program point L481(lines 456 485) the Hoare annotation is: true [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 456 485) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 456 485) the Hoare annotation is: true [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 474) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L861 garLoopResultBuilder]: At program point L470-1(lines 470 474) the Hoare annotation is: true [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L861 garLoopResultBuilder]: At program point L466-2(lines 466 480) the Hoare annotation is: true [2021-12-06 22:39:01,637 INFO L861 garLoopResultBuilder]: At program point L462(line 462) the Hoare annotation is: true [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point L462-1(line 462) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L858 garLoopResultBuilder]: For program point L725(lines 725 729) no Hoare annotation was computed. [2021-12-06 22:39:01,637 INFO L854 garLoopResultBuilder]: At program point L725-2(lines 717 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point L688(lines 687 734) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 730) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L854 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:39:01,638 INFO L861 garLoopResultBuilder]: At program point L738(lines 677 742) the Hoare annotation is: true [2021-12-06 22:39:01,638 INFO L854 garLoopResultBuilder]: At program point L449(lines 444 452) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L854 garLoopResultBuilder]: At program point L441(lines 437 443) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 703) no Hoare annotation was computed. [2021-12-06 22:39:01,638 INFO L858 garLoopResultBuilder]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2021-12-06 22:39:01,639 INFO L854 garLoopResultBuilder]: At program point L883(lines 878 885) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:39:01,639 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 693) no Hoare annotation was computed. [2021-12-06 22:39:01,639 INFO L861 garLoopResultBuilder]: At program point L528(lines 521 530) the Hoare annotation is: true [2021-12-06 22:39:01,639 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 22:39:01,639 INFO L854 garLoopResultBuilder]: At program point L735(lines 686 736) the Hoare annotation is: false [2021-12-06 22:39:01,639 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 548) no Hoare annotation was computed. [2021-12-06 22:39:01,639 INFO L858 garLoopResultBuilder]: For program point L541-2(lines 541 548) no Hoare annotation was computed. [2021-12-06 22:39:01,639 INFO L854 garLoopResultBuilder]: At program point L434(lines 430 436) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:39:01,639 INFO L861 garLoopResultBuilder]: At program point L550(lines 531 553) the Hoare annotation is: true [2021-12-06 22:39:01,639 INFO L854 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-12-06 22:39:01,639 INFO L858 garLoopResultBuilder]: For program point L707(lines 707 713) no Hoare annotation was computed. [2021-12-06 22:39:01,640 INFO L858 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2021-12-06 22:39:01,640 INFO L854 garLoopResultBuilder]: At program point L732(lines 687 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:39:01,640 INFO L854 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-12-06 22:39:01,640 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2021-12-06 22:39:01,640 INFO L858 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2021-12-06 22:39:01,640 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: true [2021-12-06 22:39:01,642 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 22:39:01,643 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 22:39:01,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 10:39:01 BoogieIcfgContainer [2021-12-06 22:39:01,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 22:39:01,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:39:01,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:39:01,656 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:39:01,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:39:00" (3/4) ... [2021-12-06 22:39:01,658 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 22:39:01,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 22:39:01,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2021-12-06 22:39:01,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 22:39:01,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 22:39:01,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 22:39:01,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 22:39:01,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:39:01,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 22:39:01,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:39:01,687 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-12-06 22:39:01,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-12-06 22:39:01,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:39:01,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-12-06 22:39:01,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:39:01,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-12-06 22:39:01,705 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 22:39:01,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:39:01,706 INFO L158 Benchmark]: Toolchain (without parser) took 1858.99ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 41.6MB in the end (delta: 27.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,707 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:39:01,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.29ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 75.2MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,707 INFO L158 Benchmark]: Boogie Preprocessor took 20.92ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:39:01,708 INFO L158 Benchmark]: RCFGBuilder took 318.95ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 56.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,708 INFO L158 Benchmark]: TraceAbstraction took 1126.12ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 47.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,708 INFO L158 Benchmark]: Witness Printer took 50.05ms. Allocated memory is still 107.0MB. Free memory was 47.2MB in the beginning and 41.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 22:39:01,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 107.0MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.29ms. Allocated memory is still 107.0MB. Free memory was 69.2MB in the beginning and 75.2MB in the end (delta: -6.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 107.0MB. Free memory was 75.2MB in the beginning and 72.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.92ms. Allocated memory is still 107.0MB. Free memory was 72.7MB in the beginning and 71.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.95ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 56.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1126.12ms. Allocated memory is still 107.0MB. Free memory was 56.4MB in the beginning and 47.2MB in the end (delta: 9.2MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 50.05ms. Allocated memory is still 107.0MB. Free memory was 47.2MB in the beginning and 41.6MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 167 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 726 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 384 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 342 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 197 PreInvPairs, 221 NumberOfFragments, 275 HoareAnnotationTreeSize, 197 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 501 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 267 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 22:39:01,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_793a1c57-e82b-4f95-8c87-1dc5c9524a44/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE