./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/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_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/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_457de051-d344-4e97-ad8a-d32333cfe573/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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:06:14,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:06:14,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:06:14,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:06:14,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:06:14,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:06:14,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:06:14,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:06:14,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:06:14,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:06:14,124 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:06:14,125 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:06:14,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:06:14,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:06:14,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:06:14,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:06:14,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:06:14,130 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:06:14,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:06:14,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:06:14,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:06:14,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:06:14,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:06:14,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:06:14,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:06:14,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:06:14,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:06:14,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:06:14,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:06:14,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:06:14,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:06:14,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:06:14,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:06:14,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:06:14,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:06:14,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:06:14,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:06:14,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:06:14,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:06:14,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:06:14,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:06:14,154 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 18:06:14,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:06:14,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:06:14,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:06:14,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:06:14,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 18:06:14,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 18:06:14,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:06:14,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:06:14,173 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:06:14,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:06:14,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:06:14,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:06:14,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 18:06:14,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:06:14,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:06:14,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 18:06:14,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:06:14,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:06:14,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 18:06:14,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:06:14,176 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_457de051-d344-4e97-ad8a-d32333cfe573/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2021-12-06 18:06:14,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:06:14,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:06:14,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:06:14,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:06:14,408 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:06:14,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-12-06 18:06:14,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/data/14a05e966/1f638a6f424d44638cb4d47eb32fc37f/FLAG22f691396 [2021-12-06 18:06:14,883 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:06:14,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2021-12-06 18:06:14,895 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/data/14a05e966/1f638a6f424d44638cb4d47eb32fc37f/FLAG22f691396 [2021-12-06 18:06:14,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/data/14a05e966/1f638a6f424d44638cb4d47eb32fc37f [2021-12-06 18:06:14,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:06:14,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:06:14,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:14,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:06:14,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:06:14,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:14" (1/1) ... [2021-12-06 18:06:14,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2d3cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:14, skipping insertion in model container [2021-12-06 18:06:14,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:14" (1/1) ... [2021-12-06 18:06:14,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:06:14,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:06:15,166 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_457de051-d344-4e97-ad8a-d32333cfe573/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-12-06 18:06:15,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:15,177 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:06:15,244 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_457de051-d344-4e97-ad8a-d32333cfe573/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2021-12-06 18:06:15,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:15,259 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:06:15,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15 WrapperNode [2021-12-06 18:06:15,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:15,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:15,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:06:15,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:06:15,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,303 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 195 [2021-12-06 18:06:15,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:15,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:06:15,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:06:15,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:06:15,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:06:15,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:06:15,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:06:15,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:06:15,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (1/1) ... [2021-12-06 18:06:15,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 18:06:15,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:15,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:15,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 18:06:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:06:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 18:06:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 18:06:15,411 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 18:06:15,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 18:06:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 18:06:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 18:06:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 18:06:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 18:06:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:06:15,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:06:15,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 18:06:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 18:06:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:06:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 18:06:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 18:06:15,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:06:15,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:06:15,476 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:06:15,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:06:15,666 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:06:15,674 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:06:15,674 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 18:06:15,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:15 BoogieIcfgContainer [2021-12-06 18:06:15,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:06:15,678 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 18:06:15,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 18:06:15,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 18:06:15,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 06:06:14" (1/3) ... [2021-12-06 18:06:15,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7573c41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:06:15, skipping insertion in model container [2021-12-06 18:06:15,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:15" (2/3) ... [2021-12-06 18:06:15,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7573c41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 06:06:15, skipping insertion in model container [2021-12-06 18:06:15,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:15" (3/3) ... [2021-12-06 18:06:15,684 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2021-12-06 18:06:15,689 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 18:06:15,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 18:06:15,724 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 18:06:15,729 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 18:06:15,729 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 18:06:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 18:06:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 18:06:15,747 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:06:15,747 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 18:06:15,747 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:06:15,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash -570439567, now seen corresponding path program 1 times [2021-12-06 18:06:15,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:15,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027399652] [2021-12-06 18:06:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:15,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 18:06:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:15,906 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 18:06:15,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:15,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027399652] [2021-12-06 18:06:15,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027399652] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:15,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:15,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 18:06:15,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260089248] [2021-12-06 18:06:15,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:15,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 18:06:15,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:15,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 18:06:15,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 18:06:15,932 INFO L87 Difference]: Start difference. First operand has 77 states, 57 states have (on average 1.368421052631579) internal successors, (78), 63 states have internal predecessors, (78), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) 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 18:06:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:06:15,954 INFO L93 Difference]: Finished difference Result 146 states and 195 transitions. [2021-12-06 18:06:15,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 18:06:15,955 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 18:06:15,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:06:15,962 INFO L225 Difference]: With dead ends: 146 [2021-12-06 18:06:15,962 INFO L226 Difference]: Without dead ends: 68 [2021-12-06 18:06:15,965 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 18:06:15,967 INFO L933 BasicCegarLoop]: 94 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, 94 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 18:06:15,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:06:15,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-12-06 18:06:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-12-06 18:06:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.28) internal successors, (64), 55 states have internal predecessors, (64), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 18:06:15,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2021-12-06 18:06:15,999 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 23 [2021-12-06 18:06:15,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:06:15,999 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2021-12-06 18:06:15,999 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 18:06:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2021-12-06 18:06:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-06 18:06:16,001 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:06:16,001 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 18:06:16,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 18:06:16,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:06:16,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:16,002 INFO L85 PathProgramCache]: Analyzing trace with hash 862639387, now seen corresponding path program 1 times [2021-12-06 18:06:16,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:16,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984629619] [2021-12-06 18:06:16,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:16,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 18:06:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,057 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 18:06:16,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:16,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984629619] [2021-12-06 18:06:16,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984629619] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:16,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:16,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 18:06:16,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000255527] [2021-12-06 18:06:16,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:16,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 18:06:16,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:16,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 18:06:16,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 18:06:16,060 INFO L87 Difference]: Start difference. First operand 68 states and 85 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 18:06:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:06:16,071 INFO L93 Difference]: Finished difference Result 101 states and 125 transitions. [2021-12-06 18:06:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 18:06:16,072 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 18:06:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:06:16,073 INFO L225 Difference]: With dead ends: 101 [2021-12-06 18:06:16,073 INFO L226 Difference]: Without dead ends: 59 [2021-12-06 18:06:16,074 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 18:06:16,075 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 127 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 18:06:16,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 127 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:06:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-12-06 18:06:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-12-06 18:06:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-06 18:06:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2021-12-06 18:06:16,083 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 73 transitions. Word has length 24 [2021-12-06 18:06:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:06:16,083 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 73 transitions. [2021-12-06 18:06:16,084 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 18:06:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2021-12-06 18:06:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-06 18:06:16,085 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:06:16,085 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 18:06:16,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 18:06:16,085 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:06:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash 764584113, now seen corresponding path program 1 times [2021-12-06 18:06:16,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:16,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842273903] [2021-12-06 18:06:16,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:16,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 18:06:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,149 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 18:06:16,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:16,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842273903] [2021-12-06 18:06:16,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842273903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:16,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:16,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 18:06:16,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384051254] [2021-12-06 18:06:16,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:16,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 18:06:16,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 18:06:16,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 18:06:16,151 INFO L87 Difference]: Start difference. First operand 59 states and 73 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 18:06:16,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:06:16,190 INFO L93 Difference]: Finished difference Result 111 states and 140 transitions. [2021-12-06 18:06:16,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 18:06:16,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 18:06:16,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:06:16,192 INFO L225 Difference]: With dead ends: 111 [2021-12-06 18:06:16,192 INFO L226 Difference]: Without dead ends: 59 [2021-12-06 18:06:16,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 18:06:16,193 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 98 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:06:16,194 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 166 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:06:16,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-12-06 18:06:16,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2021-12-06 18:06:16,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 49 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-12-06 18:06:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 72 transitions. [2021-12-06 18:06:16,201 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 72 transitions. Word has length 29 [2021-12-06 18:06:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:06:16,202 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 72 transitions. [2021-12-06 18:06:16,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 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 18:06:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2021-12-06 18:06:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 18:06:16,203 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:06:16,203 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 18:06:16,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 18:06:16,204 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:06:16,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:16,204 INFO L85 PathProgramCache]: Analyzing trace with hash 598153017, now seen corresponding path program 1 times [2021-12-06 18:06:16,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:16,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923858233] [2021-12-06 18:06:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:16,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 18:06:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 18:06:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,269 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 18:06:16,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:16,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923858233] [2021-12-06 18:06:16,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923858233] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:16,270 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:16,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:06:16,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828290610] [2021-12-06 18:06:16,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:16,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:06:16,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:16,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:06:16,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:06:16,271 INFO L87 Difference]: Start difference. First operand 59 states and 72 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 18:06:16,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:06:16,333 INFO L93 Difference]: Finished difference Result 162 states and 204 transitions. [2021-12-06 18:06:16,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 18:06:16,333 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 18:06:16,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:06:16,334 INFO L225 Difference]: With dead ends: 162 [2021-12-06 18:06:16,334 INFO L226 Difference]: Without dead ends: 110 [2021-12-06 18:06:16,335 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 18:06:16,336 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 43 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 18:06:16,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 343 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 18:06:16,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2021-12-06 18:06:16,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2021-12-06 18:06:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 87 states have internal predecessors, (99), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 14 states have call predecessors, (17), 16 states have call successors, (17) [2021-12-06 18:06:16,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2021-12-06 18:06:16,349 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 34 [2021-12-06 18:06:16,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:06:16,350 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2021-12-06 18:06:16,350 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 18:06:16,350 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2021-12-06 18:06:16,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 18:06:16,351 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 18:06:16,351 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 18:06:16,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 18:06:16,352 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 18:06:16,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 148972605, now seen corresponding path program 1 times [2021-12-06 18:06:16,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:16,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680414174] [2021-12-06 18:06:16,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:16,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-06 18:06:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 18:06:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 18:06:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:16,406 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 18:06:16,407 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:06:16,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680414174] [2021-12-06 18:06:16,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680414174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:06:16,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:06:16,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 18:06:16,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969864131] [2021-12-06 18:06:16,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:06:16,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 18:06:16,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:06:16,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 18:06:16,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 18:06:16,408 INFO L87 Difference]: Start difference. First operand 107 states and 132 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 18:06:16,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:06:16,482 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2021-12-06 18:06:16,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 18:06:16,483 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 18:06:16,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 18:06:16,483 INFO L225 Difference]: With dead ends: 184 [2021-12-06 18:06:16,483 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 18:06:16,485 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 18:06:16,486 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 18:06:16,487 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 18:06:16,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 18:06:16,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 18:06:16,488 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 18:06:16,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 18:06:16,488 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-12-06 18:06:16,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 18:06:16,488 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:06:16,488 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 18:06:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:06:16,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 18:06:16,491 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 18:06:16,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 18:06:16,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 18:06:16,764 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,764 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2021-12-06 18:06:16,764 INFO L858 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2021-12-06 18:06:16,764 INFO L858 garLoopResultBuilder]: For program point L725-1(lines 725 731) no Hoare annotation was computed. [2021-12-06 18:06:16,764 INFO L854 garLoopResultBuilder]: At program point L820(lines 815 823) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0)) .cse1))) [2021-12-06 18:06:16,764 INFO L858 garLoopResultBuilder]: For program point L754(lines 754 762) no Hoare annotation was computed. [2021-12-06 18:06:16,764 INFO L858 garLoopResultBuilder]: For program point L882(lines 882 888) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 767) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 891) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L854 garLoopResultBuilder]: At program point L878-1(lines 870 894) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 714 737) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point L718-1(lines 717 736) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L854 garLoopResultBuilder]: At program point L801(lines 796 803) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,765 INFO L858 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2021-12-06 18:06:16,765 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,766 INFO L854 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,766 INFO L854 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,766 INFO L858 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2021-12-06 18:06:16,766 INFO L854 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,766 INFO L858 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2021-12-06 18:06:16,766 INFO L854 garLoopResultBuilder]: At program point L901(lines 896 903) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,766 INFO L854 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,767 INFO L854 garLoopResultBuilder]: At program point L765-1(lines 746 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,767 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2021-12-06 18:06:16,767 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2021-12-06 18:06:16,767 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2021-12-06 18:06:16,767 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 542 571) no Hoare annotation was computed. [2021-12-06 18:06:16,767 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 542 571) the Hoare annotation is: true [2021-12-06 18:06:16,768 INFO L861 garLoopResultBuilder]: At program point L567(lines 542 571) the Hoare annotation is: true [2021-12-06 18:06:16,768 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-06 18:06:16,768 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2021-12-06 18:06:16,768 INFO L861 garLoopResultBuilder]: At program point L556-1(lines 556 560) the Hoare annotation is: true [2021-12-06 18:06:16,768 INFO L858 garLoopResultBuilder]: For program point L553(line 553) no Hoare annotation was computed. [2021-12-06 18:06:16,768 INFO L861 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: true [2021-12-06 18:06:16,768 INFO L861 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: true [2021-12-06 18:06:16,768 INFO L858 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2021-12-06 18:06:16,769 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2021-12-06 18:06:16,769 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2021-12-06 18:06:16,769 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2021-12-06 18:06:16,769 INFO L854 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,769 INFO L861 garLoopResultBuilder]: At program point L634(lines 615 637) the Hoare annotation is: true [2021-12-06 18:06:16,769 INFO L854 garLoopResultBuilder]: At program point L601(lines 597 603) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,769 INFO L854 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,770 INFO L858 garLoopResultBuilder]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-12-06 18:06:16,770 INFO L854 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,770 INFO L854 garLoopResultBuilder]: At program point L688-2(lines 680 693) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,770 INFO L858 garLoopResultBuilder]: For program point L651(lines 650 697) no Hoare annotation was computed. [2021-12-06 18:06:16,770 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 693) no Hoare annotation was computed. [2021-12-06 18:06:16,770 INFO L854 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,770 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L861 garLoopResultBuilder]: At program point L701(lines 640 705) the Hoare annotation is: true [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point L660(lines 660 666) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 656) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L854 garLoopResultBuilder]: At program point L520(lines 516 522) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L854 garLoopResultBuilder]: At program point L698(lines 649 699) the Hoare annotation is: false [2021-12-06 18:06:16,771 INFO L861 garLoopResultBuilder]: At program point L612(lines 605 614) the Hoare annotation is: true [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L858 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2021-12-06 18:06:16,771 INFO L854 garLoopResultBuilder]: At program point L695(lines 650 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,772 INFO L854 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (not (= 0 ~systemActive~0))) [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 632) no Hoare annotation was computed. [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point L625-2(lines 625 632) no Hoare annotation was computed. [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2021-12-06 18:06:16,772 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 738 744) no Hoare annotation was computed. [2021-12-06 18:06:16,772 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 738 744) the Hoare annotation is: true [2021-12-06 18:06:16,772 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 804 814) the Hoare annotation is: true [2021-12-06 18:06:16,772 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 804 814) no Hoare annotation was computed. [2021-12-06 18:06:16,773 INFO L861 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2021-12-06 18:06:16,773 INFO L858 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2021-12-06 18:06:16,773 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 804 814) no Hoare annotation was computed. [2021-12-06 18:06:16,776 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 18:06:16,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 18:06:16,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 06:06:16 BoogieIcfgContainer [2021-12-06 18:06:16,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 18:06:16,792 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:06:16,792 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:06:16,792 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:06:16,793 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:15" (3/4) ... [2021-12-06 18:06:16,795 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 18:06:16,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 18:06:16,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 18:06:16,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 18:06:16,799 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 18:06:16,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 18:06:16,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 18:06:16,800 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 18:06:16,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2021-12-06 18:06:16,805 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 18:06:16,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 18:06:16,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 18:06:16,806 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 18:06:16,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:06:16,807 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 18:06:16,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) [2021-12-06 18:06:16,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:06:16,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:06:16,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:06:16,824 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2021-12-06 18:06:16,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2021-12-06 18:06:16,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) [2021-12-06 18:06:16,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:06:16,825 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) [2021-12-06 18:06:16,826 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2021-12-06 18:06:16,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 18:06:16,852 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:06:16,852 INFO L158 Benchmark]: Toolchain (without parser) took 1943.01ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 91.8MB in the beginning and 131.6MB in the end (delta: -39.7MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,853 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:06:16,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.98ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.81ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 71.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,854 INFO L158 Benchmark]: Boogie Preprocessor took 33.51ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 108.0MB in the end (delta: -36.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,854 INFO L158 Benchmark]: RCFGBuilder took 337.90ms. Allocated memory is still 130.0MB. Free memory was 108.0MB in the beginning and 93.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,854 INFO L158 Benchmark]: TraceAbstraction took 1113.86ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 52.0MB in the end (delta: 40.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,855 INFO L158 Benchmark]: Witness Printer took 59.52ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 131.6MB in the end (delta: -79.5MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-12-06 18:06:16,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 130.0MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.98ms. Allocated memory is still 130.0MB. Free memory was 91.7MB in the beginning and 73.5MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.81ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 71.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.51ms. Allocated memory is still 130.0MB. Free memory was 71.2MB in the beginning and 108.0MB in the end (delta: -36.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * RCFGBuilder took 337.90ms. Allocated memory is still 130.0MB. Free memory was 108.0MB in the beginning and 93.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1113.86ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 52.0MB in the end (delta: 40.3MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 59.52ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 131.6MB in the end (delta: -79.5MB). Peak memory consumption was 8.5MB. 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: 900]: 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 8 procedures, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 859 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 505 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 354 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 198 PreInvPairs, 222 NumberOfFragments, 302 HoareAnnotationTreeSize, 198 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 526 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, 275 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: 860]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 815]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && !(0 == systemActive) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2021-12-06 18:06:16,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_457de051-d344-4e97-ad8a-d32333cfe573/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