./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8 --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 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:01:07,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:01:07,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:01:07,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:01:07,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:01:07,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:01:07,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:01:07,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:01:07,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:01:07,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:01:07,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:01:07,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:01:07,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:01:07,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:01:07,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:01:07,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:01:07,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:01:07,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:01:07,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:01:07,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:01:07,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:01:07,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:01:07,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:01:07,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:01:07,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:01:07,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:01:07,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:01:07,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:01:07,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:01:07,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:01:07,136 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:01:07,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:01:07,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:01:07,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:01:07,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:01:07,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:01:07,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:01:07,142 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:01:07,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:01:07,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:01:07,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:01:07,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:01:07,168 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:01:07,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:01:07,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:01:07,169 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:01:07,170 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:01:07,170 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:01:07,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:01:07,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:01:07,172 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:01:07,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:01:07,172 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:01:07,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:01:07,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:01:07,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:01:07,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:01:07,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:01:07,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:01:07,174 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:01:07,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:01:07,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:01:07,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:01:07,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:01:07,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:01:07,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:01:07,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:01:07,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:01:07,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:01:07,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:01:07,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:01:07,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:01:07,178 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:01:07,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:01:07,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:01:07,179 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_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2022-11-16 11:01:07,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:01:07,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:01:07,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:01:07,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:01:07,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:01:07,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2022-11-16 11:01:07,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/data/99889a098/ddd7ae93b597461795e3516ab21575bf/FLAG304cde584 [2022-11-16 11:01:08,365 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:01:08,366 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2022-11-16 11:01:08,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/data/99889a098/ddd7ae93b597461795e3516ab21575bf/FLAG304cde584 [2022-11-16 11:01:08,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/data/99889a098/ddd7ae93b597461795e3516ab21575bf [2022-11-16 11:01:08,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:01:08,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:01:08,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:08,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:01:08,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:01:08,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:08" (1/1) ... [2022-11-16 11:01:08,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a462fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:08, skipping insertion in model container [2022-11-16 11:01:08,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:01:08" (1/1) ... [2022-11-16 11:01:08,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:01:08,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:01:09,072 WARN L229 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_7449c70f-bd17-452d-8a13-9b9c1d504f16/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2022-11-16 11:01:09,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:09,181 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:01:09,258 WARN L229 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_7449c70f-bd17-452d-8a13-9b9c1d504f16/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2022-11-16 11:01:09,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:01:09,319 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:01:09,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09 WrapperNode [2022-11-16 11:01:09,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:01:09,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:09,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:01:09,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:01:09,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,415 INFO L138 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2022-11-16 11:01:09,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:01:09,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:01:09,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:01:09,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:01:09,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,463 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:01:09,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:01:09,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:01:09,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:01:09,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (1/1) ... [2022-11-16 11:01:09,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:01:09,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:01:09,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:01:09,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:01:09,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:01:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:01:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:01:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:01:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:01:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:01:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:01:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:01:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:01:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:01:09,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:01:09,596 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 11:01:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 11:01:09,597 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:01:09,597 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:01:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:01:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:01:09,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:01:09,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:01:09,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:01:09,751 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:01:09,754 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:01:10,107 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:01:10,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:01:10,115 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:01:10,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:10 BoogieIcfgContainer [2022-11-16 11:01:10,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:01:10,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:01:10,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:01:10,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:01:10,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:01:08" (1/3) ... [2022-11-16 11:01:10,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e59df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:01:10, skipping insertion in model container [2022-11-16 11:01:10,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:01:09" (2/3) ... [2022-11-16 11:01:10,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e59df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:01:10, skipping insertion in model container [2022-11-16 11:01:10,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:10" (3/3) ... [2022-11-16 11:01:10,131 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2022-11-16 11:01:10,152 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:01:10,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:01:10,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:01:10,222 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@174a91f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:01:10,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:01:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 11:01:10,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:01:10,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:10,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-16 11:01:10,241 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:01:10,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:10,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1547746013, now seen corresponding path program 1 times [2022-11-16 11:01:10,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:10,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869830481] [2022-11-16 11:01:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:10,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 11:01:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:01:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:01:10,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:10,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869830481] [2022-11-16 11:01:10,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869830481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:10,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:10,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:01:10,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990178767] [2022-11-16 11:01:10,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:10,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:01:10,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:10,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:01:10,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:01:10,591 INFO L87 Difference]: Start difference. First operand has 96 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:01:10,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:10,658 INFO L93 Difference]: Finished difference Result 183 states and 248 transitions. [2022-11-16 11:01:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:01:10,664 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 11:01:10,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:10,683 INFO L225 Difference]: With dead ends: 183 [2022-11-16 11:01:10,683 INFO L226 Difference]: Without dead ends: 87 [2022-11-16 11:01:10,689 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:01:10,696 INFO L413 NwaCegarLoop]: 121 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, 121 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 [2022-11-16 11:01:10,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:01:10,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-11-16 11:01:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-11-16 11:01:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 64 states have (on average 1.296875) internal successors, (83), 72 states have internal predecessors, (83), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 11:01:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-11-16 11:01:10,756 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 32 [2022-11-16 11:01:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:10,756 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-11-16 11:01:10,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:01:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-11-16 11:01:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 11:01:10,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:10,760 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-16 11:01:10,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:01:10,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:01:10,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:10,762 INFO L85 PathProgramCache]: Analyzing trace with hash 74774986, now seen corresponding path program 1 times [2022-11-16 11:01:10,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:10,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955714009] [2022-11-16 11:01:10,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:01:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:01:10,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:01:10,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:10,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955714009] [2022-11-16 11:01:10,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955714009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:10,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:10,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:01:10,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201147068] [2022-11-16 11:01:10,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:10,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:01:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:10,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:01:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:01:10,998 INFO L87 Difference]: Start difference. First operand 87 states and 112 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:01:11,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:11,036 INFO L93 Difference]: Finished difference Result 135 states and 173 transitions. [2022-11-16 11:01:11,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:01:11,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 11:01:11,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:11,041 INFO L225 Difference]: With dead ends: 135 [2022-11-16 11:01:11,041 INFO L226 Difference]: Without dead ends: 78 [2022-11-16 11:01:11,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:01:11,044 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 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 [2022-11-16 11:01:11,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:01:11,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-16 11:01:11,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-11-16 11:01:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 66 states have internal predecessors, (76), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 11:01:11,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-11-16 11:01:11,067 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 33 [2022-11-16 11:01:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:11,069 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-11-16 11:01:11,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 11:01:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-11-16 11:01:11,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:01:11,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:11,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-16 11:01:11,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:01:11,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:01:11,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:11,076 INFO L85 PathProgramCache]: Analyzing trace with hash -862494468, now seen corresponding path program 1 times [2022-11-16 11:01:11,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:11,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292943917] [2022-11-16 11:01:11,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:11,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:01:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:11,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 11:01:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:01:11,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:11,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292943917] [2022-11-16 11:01:11,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292943917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:11,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:11,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:01:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295068434] [2022-11-16 11:01:11,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:11,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:01:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:11,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:01:11,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:01:11,455 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:01:11,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:11,767 INFO L93 Difference]: Finished difference Result 264 states and 346 transitions. [2022-11-16 11:01:11,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:01:11,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-16 11:01:11,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:11,770 INFO L225 Difference]: With dead ends: 264 [2022-11-16 11:01:11,771 INFO L226 Difference]: Without dead ends: 194 [2022-11-16 11:01:11,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:01:11,773 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 204 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:01:11,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 499 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:01:11,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-16 11:01:11,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2022-11-16 11:01:11,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 138 states have (on average 1.3405797101449275) internal successors, (185), 156 states have internal predecessors, (185), 30 states have call successors, (30), 19 states have call predecessors, (30), 19 states have return successors, (31), 20 states have call predecessors, (31), 30 states have call successors, (31) [2022-11-16 11:01:11,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2022-11-16 11:01:11,822 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 37 [2022-11-16 11:01:11,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:11,823 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2022-11-16 11:01:11,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:01:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2022-11-16 11:01:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 11:01:11,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:01:11,830 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 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] [2022-11-16 11:01:11,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:01:11,831 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:01:11,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:01:11,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2078372082, now seen corresponding path program 1 times [2022-11-16 11:01:11,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:01:11,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708698509] [2022-11-16 11:01:11,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:01:11,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:01:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:01:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 11:01:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:01:12,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:01:12,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:01:12,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708698509] [2022-11-16 11:01:12,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708698509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:01:12,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:01:12,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:01:12,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592597925] [2022-11-16 11:01:12,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:01:12,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:01:12,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:01:12,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:01:12,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:01:12,138 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2022-11-16 11:01:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:01:12,268 INFO L93 Difference]: Finished difference Result 330 states and 434 transitions. [2022-11-16 11:01:12,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:01:12,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 41 [2022-11-16 11:01:12,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:01:12,271 INFO L225 Difference]: With dead ends: 330 [2022-11-16 11:01:12,271 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:01:12,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:01:12,287 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 38 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:01:12,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 226 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:01:12,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:01:12,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:01:12,293 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) [2022-11-16 11:01:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:01:12,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2022-11-16 11:01:12,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:01:12,294 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:01:12,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2022-11-16 11:01:12,295 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:01:12,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:01:12,305 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:01:12,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:01:12,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:01:12,920 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 728 735) the Hoare annotation is: true [2022-11-16 11:01:12,920 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 728 735) no Hoare annotation was computed. [2022-11-16 11:01:12,920 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 728 735) no Hoare annotation was computed. [2022-11-16 11:01:12,921 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 661 667) no Hoare annotation was computed. [2022-11-16 11:01:12,921 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 661 667) the Hoare annotation is: true [2022-11-16 11:01:12,921 INFO L899 garLoopResultBuilder]: For program point L462-1(lines 458 469) no Hoare annotation was computed. [2022-11-16 11:01:12,921 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 458 469) the Hoare annotation is: true [2022-11-16 11:01:12,922 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 458 469) no Hoare annotation was computed. [2022-11-16 11:01:12,922 INFO L899 garLoopResultBuilder]: For program point L960(lines 960 970) no Hoare annotation was computed. [2022-11-16 11:01:12,922 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 973) no Hoare annotation was computed. [2022-11-16 11:01:12,922 INFO L895 garLoopResultBuilder]: At program point L956-1(lines 948 976) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,922 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 634 660) no Hoare annotation was computed. [2022-11-16 11:01:12,923 INFO L895 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,923 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-16 11:01:12,923 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,923 INFO L899 garLoopResultBuilder]: For program point L961(lines 961 967) no Hoare annotation was computed. [2022-11-16 11:01:12,924 INFO L895 garLoopResultBuilder]: At program point L507(lines 502 510) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,924 INFO L895 garLoopResultBuilder]: At program point L945(lines 938 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,924 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 11:01:12,924 INFO L895 garLoopResultBuilder]: At program point L714-1(lines 695 719) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-16 11:01:12,925 INFO L895 garLoopResultBuilder]: At program point L743(lines 736 746) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,925 INFO L899 garLoopResultBuilder]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2022-11-16 11:01:12,925 INFO L895 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,925 INFO L895 garLoopResultBuilder]: At program point L958(line 958) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,926 INFO L899 garLoopResultBuilder]: For program point L958-1(line 958) no Hoare annotation was computed. [2022-11-16 11:01:12,926 INFO L895 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,926 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2022-11-16 11:01:12,926 INFO L895 garLoopResultBuilder]: At program point L438-2(lines 434 445) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:01:12,926 INFO L899 garLoopResultBuilder]: For program point L641(lines 641 647) no Hoare annotation was computed. [2022-11-16 11:01:12,927 INFO L899 garLoopResultBuilder]: For program point L641-2(lines 637 659) no Hoare annotation was computed. [2022-11-16 11:01:12,927 INFO L899 garLoopResultBuilder]: For program point L703(lines 703 711) no Hoare annotation was computed. [2022-11-16 11:01:12,927 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 716) no Hoare annotation was computed. [2022-11-16 11:01:12,927 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 634 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,927 INFO L895 garLoopResultBuilder]: At program point L943(line 943) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:01:12,928 INFO L899 garLoopResultBuilder]: For program point L943-1(line 943) no Hoare annotation was computed. [2022-11-16 11:01:12,946 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 634 660) no Hoare annotation was computed. [2022-11-16 11:01:12,946 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-11-16 11:01:12,946 INFO L899 garLoopResultBuilder]: For program point L544(line 544) no Hoare annotation was computed. [2022-11-16 11:01:12,947 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 523 552) no Hoare annotation was computed. [2022-11-16 11:01:12,947 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 523 552) the Hoare annotation is: true [2022-11-16 11:01:12,947 INFO L899 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2022-11-16 11:01:12,947 INFO L902 garLoopResultBuilder]: At program point L537-1(lines 537 541) the Hoare annotation is: true [2022-11-16 11:01:12,947 INFO L899 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-11-16 11:01:12,947 INFO L902 garLoopResultBuilder]: At program point L533-2(lines 533 547) the Hoare annotation is: true [2022-11-16 11:01:12,948 INFO L902 garLoopResultBuilder]: At program point L529(line 529) the Hoare annotation is: true [2022-11-16 11:01:12,948 INFO L899 garLoopResultBuilder]: For program point L529-1(line 529) no Hoare annotation was computed. [2022-11-16 11:01:12,948 INFO L902 garLoopResultBuilder]: At program point L548(lines 523 552) the Hoare annotation is: true [2022-11-16 11:01:12,948 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 863) no Hoare annotation was computed. [2022-11-16 11:01:12,948 INFO L899 garLoopResultBuilder]: For program point L857-1(lines 857 863) no Hoare annotation was computed. [2022-11-16 11:01:12,948 INFO L895 garLoopResultBuilder]: At program point L882(lines 837 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:01:12,948 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:01:12,949 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:01:12,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:01:12,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:01:12,949 INFO L895 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:01:12,949 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:01:12,949 INFO L895 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: false [2022-11-16 11:01:12,949 INFO L895 garLoopResultBuilder]: At program point L582(lines 578 584) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:01:12,950 INFO L899 garLoopResultBuilder]: For program point L838(lines 837 884) no Hoare annotation was computed. [2022-11-16 11:01:12,950 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 618) no Hoare annotation was computed. [2022-11-16 11:01:12,950 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 880) no Hoare annotation was computed. [2022-11-16 11:01:12,950 INFO L899 garLoopResultBuilder]: For program point L611-2(lines 611 618) no Hoare annotation was computed. [2022-11-16 11:01:12,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:01:12,950 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:01:12,951 INFO L902 garLoopResultBuilder]: At program point L888(lines 827 892) the Hoare annotation is: true [2022-11-16 11:01:12,951 INFO L902 garLoopResultBuilder]: At program point L595(lines 587 597) the Hoare annotation is: true [2022-11-16 11:01:12,951 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 853) no Hoare annotation was computed. [2022-11-16 11:01:12,951 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2022-11-16 11:01:12,951 INFO L895 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:01:12,951 INFO L902 garLoopResultBuilder]: At program point L620(lines 601 623) the Hoare annotation is: true [2022-11-16 11:01:12,951 INFO L899 garLoopResultBuilder]: For program point L839(lines 839 843) no Hoare annotation was computed. [2022-11-16 11:01:12,952 INFO L895 garLoopResultBuilder]: At program point L823(lines 811 825) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:01:12,952 INFO L895 garLoopResultBuilder]: At program point L885(lines 836 886) the Hoare annotation is: false [2022-11-16 11:01:12,952 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 821) no Hoare annotation was computed. [2022-11-16 11:01:12,952 INFO L899 garLoopResultBuilder]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2022-11-16 11:01:12,952 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 879) no Hoare annotation was computed. [2022-11-16 11:01:12,952 INFO L895 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-16 11:01:12,953 INFO L895 garLoopResultBuilder]: At program point L873-2(lines 867 880) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:01:12,953 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 446 457) no Hoare annotation was computed. [2022-11-16 11:01:12,953 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 446 457) no Hoare annotation was computed. [2022-11-16 11:01:12,953 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 446 457) the Hoare annotation is: true [2022-11-16 11:01:12,953 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2022-11-16 11:01:12,953 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 805) no Hoare annotation was computed. [2022-11-16 11:01:12,953 INFO L899 garLoopResultBuilder]: For program point L801-2(lines 801 805) no Hoare annotation was computed. [2022-11-16 11:01:12,954 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 669 693) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,954 INFO L895 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,954 INFO L899 garLoopResultBuilder]: For program point L688-1(lines 669 693) no Hoare annotation was computed. [2022-11-16 11:01:12,954 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 669 693) no Hoare annotation was computed. [2022-11-16 11:01:12,954 INFO L895 garLoopResultBuilder]: At program point L683(line 683) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,954 INFO L895 garLoopResultBuilder]: At program point L807(lines 792 810) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,955 INFO L895 garLoopResultBuilder]: At program point L679(line 679) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,955 INFO L899 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2022-11-16 11:01:12,955 INFO L895 garLoopResultBuilder]: At program point L516(lines 511 519) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 11:01:12,955 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 747 755) no Hoare annotation was computed. [2022-11-16 11:01:12,955 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 747 755) the Hoare annotation is: true [2022-11-16 11:01:12,955 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 747 755) no Hoare annotation was computed. [2022-11-16 11:01:12,960 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:01:12,972 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:01:13,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:01:12 BoogieIcfgContainer [2022-11-16 11:01:13,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:01:13,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:01:13,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:01:13,007 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:01:13,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:01:10" (3/4) ... [2022-11-16 11:01:13,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:01:13,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:01:13,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:01:13,017 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:01:13,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:01:13,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:01:13,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:01:13,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:01:13,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 11:01:13,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-11-16 11:01:13,043 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:01:13,043 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:01:13,044 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:01:13,044 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:01:13,045 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:01:13,045 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:01:13,071 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-16 11:01:13,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2022-11-16 11:01:13,072 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2022-11-16 11:01:13,073 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 11:01:13,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:01:13,074 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 11:01:13,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-16 11:01:13,075 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:01:13,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 11:01:13,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:01:13,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:01:13,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 11:01:13,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-16 11:01:13,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:01:13,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:01:13,129 INFO L158 Benchmark]: Toolchain (without parser) took 4509.30ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 61.2MB in the beginning and 101.8MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:13,129 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:01:13,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.65ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 70.4MB in the end (delta: -9.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.45ms. Allocated memory is still 102.8MB. Free memory was 70.4MB in the beginning and 67.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,131 INFO L158 Benchmark]: Boogie Preprocessor took 51.66ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,131 INFO L158 Benchmark]: RCFGBuilder took 649.37ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 47.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,132 INFO L158 Benchmark]: TraceAbstraction took 2886.47ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 46.4MB in the beginning and 108.1MB in the end (delta: -61.7MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,132 INFO L158 Benchmark]: Witness Printer took 121.40ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 101.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:01:13,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 78.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.65ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 70.4MB in the end (delta: -9.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.45ms. Allocated memory is still 102.8MB. Free memory was 70.4MB in the beginning and 67.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.66ms. Allocated memory is still 102.8MB. Free memory was 67.8MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.37ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 47.1MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2886.47ms. Allocated memory was 102.8MB in the beginning and 136.3MB in the end (delta: 33.6MB). Free memory was 46.4MB in the beginning and 108.1MB in the end (delta: -61.7MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 121.40ms. Allocated memory is still 136.3MB. Free memory was 108.1MB in the beginning and 101.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: 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 9 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 1023 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 616 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 407 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=188occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 326 PreInvPairs, 365 NumberOfFragments, 252 HoareAnnotationTreeSize, 326 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 717 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 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: 511]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 578]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:01:13,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7449c70f-bd17-452d-8a13-9b9c1d504f16/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE