./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc --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 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 --- 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-5e519f3 [2022-11-02 20:15:46,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:15:46,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:15:47,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:15:47,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:15:47,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:15:47,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:15:47,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:15:47,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:15:47,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:15:47,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:15:47,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:15:47,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:15:47,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:15:47,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:15:47,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:15:47,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:15:47,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:15:47,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:15:47,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:15:47,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:15:47,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:15:47,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:15:47,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:15:47,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:15:47,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:15:47,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:15:47,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:15:47,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:15:47,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:15:47,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:15:47,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:15:47,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:15:47,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:15:47,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:15:47,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:15:47,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:15:47,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:15:47,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:15:47,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:15:47,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:15:47,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:15:47,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:15:47,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:15:47,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:15:47,186 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:15:47,187 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:15:47,187 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:15:47,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:15:47,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:15:47,189 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:15:47,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:15:47,190 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:15:47,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:15:47,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:15:47,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:15:47,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:15:47,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:15:47,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:15:47,192 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:15:47,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:15:47,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:15:47,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:15:47,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:15:47,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:15:47,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:15:47,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:15:47,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:15:47,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:15:47,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:15:47,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:15:47,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:15:47,196 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:15:47,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:15:47,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:15:47,197 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_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 628e376de87a791dbdeacfd1fda04d4c37dd13aab91e126b57e018d3af22ec68 [2022-11-02 20:15:47,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:15:47,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:15:47,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:15:47,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:15:47,637 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:15:47,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2022-11-02 20:15:47,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/data/c9d9238c0/6faab16bb28d45d5a5ef87d48e21cb27/FLAG43d5695b3 [2022-11-02 20:15:48,459 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:15:48,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c [2022-11-02 20:15:48,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/data/c9d9238c0/6faab16bb28d45d5a5ef87d48e21cb27/FLAG43d5695b3 [2022-11-02 20:15:48,785 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/data/c9d9238c0/6faab16bb28d45d5a5ef87d48e21cb27 [2022-11-02 20:15:48,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:15:48,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:15:48,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:15:48,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:15:48,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:15:48,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:48" (1/1) ... [2022-11-02 20:15:48,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21169fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:48, skipping insertion in model container [2022-11-02 20:15:48,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:15:48" (1/1) ... [2022-11-02 20:15:48,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:15:48,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:15:49,290 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_03e677bf-ade2-40b7-99fb-3664e5c95c31/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2022-11-02 20:15:49,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:15:49,313 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:15:49,441 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_03e677bf-ade2-40b7-99fb-3664e5c95c31/sv-benchmarks/c/product-lines/minepump_spec1_product29.cil.c[18134,18147] [2022-11-02 20:15:49,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:15:49,479 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:15:49,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49 WrapperNode [2022-11-02 20:15:49,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:15:49,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:15:49,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:15:49,483 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:15:49,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,552 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 222 [2022-11-02 20:15:49,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:15:49,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:15:49,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:15:49,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:15:49,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,616 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:15:49,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:15:49,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:15:49,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:15:49,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (1/1) ... [2022-11-02 20:15:49,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:15:49,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:15:49,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:15:49,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:15:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:15:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:15:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:15:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:15:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:15:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:15:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:15:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:15:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:15:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:15:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:15:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:15:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:15:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 20:15:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 20:15:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:15:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:15:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:15:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:15:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:15:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:15:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:15:49,814 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:15:49,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:15:50,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:15:50,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:15:50,362 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:15:50,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:50 BoogieIcfgContainer [2022-11-02 20:15:50,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:15:50,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:15:50,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:15:50,386 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:15:50,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:15:48" (1/3) ... [2022-11-02 20:15:50,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b935e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:50, skipping insertion in model container [2022-11-02 20:15:50,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:15:49" (2/3) ... [2022-11-02 20:15:50,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b935e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:15:50, skipping insertion in model container [2022-11-02 20:15:50,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:50" (3/3) ... [2022-11-02 20:15:50,390 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2022-11-02 20:15:50,450 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:15:50,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:15:50,515 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:15:50,525 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;@26629901, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:15:50,525 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:15:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-02 20:15:50,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 20:15:50,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:15:50,546 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:15:50,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:15:50,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:50,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1140518048, now seen corresponding path program 1 times [2022-11-02 20:15:50,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:50,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349117004] [2022-11-02 20:15:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:15:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:50,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:50,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349117004] [2022-11-02 20:15:50,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349117004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:50,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:50,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:15:50,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979326617] [2022-11-02 20:15:50,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:50,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:15:50,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:50,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:15:50,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:15:50,950 INFO L87 Difference]: Start difference. First operand has 91 states, 65 states have (on average 1.3692307692307693) internal successors, (89), 73 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 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 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) [2022-11-02 20:15:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:51,033 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2022-11-02 20:15:51,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:15:51,036 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 [2022-11-02 20:15:51,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:51,057 INFO L225 Difference]: With dead ends: 174 [2022-11-02 20:15:51,058 INFO L226 Difference]: Without dead ends: 82 [2022-11-02 20:15:51,064 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:15:51,069 INFO L413 NwaCegarLoop]: 113 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, 113 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 [2022-11-02 20:15:51,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:15:51,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-02 20:15:51,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-02 20:15:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.293103448275862) internal successors, (75), 65 states have internal predecessors, (75), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-02 20:15:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 104 transitions. [2022-11-02 20:15:51,162 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 104 transitions. Word has length 23 [2022-11-02 20:15:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:51,163 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 104 transitions. [2022-11-02 20:15:51,163 INFO L496 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) [2022-11-02 20:15:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 104 transitions. [2022-11-02 20:15:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 20:15:51,167 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:15:51,167 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:15:51,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:15:51,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:15:51,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash -862520954, now seen corresponding path program 1 times [2022-11-02 20:15:51,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:51,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058831130] [2022-11-02 20:15:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:15:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:51,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:51,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058831130] [2022-11-02 20:15:51,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058831130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:51,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:51,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:15:51,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075110533] [2022-11-02 20:15:51,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:51,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:51,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:51,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:51,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:51,461 INFO L87 Difference]: Start difference. First operand 82 states and 104 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) [2022-11-02 20:15:51,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:51,488 INFO L93 Difference]: Finished difference Result 130 states and 164 transitions. [2022-11-02 20:15:51,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:51,489 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 [2022-11-02 20:15:51,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:51,491 INFO L225 Difference]: With dead ends: 130 [2022-11-02 20:15:51,491 INFO L226 Difference]: Without dead ends: 73 [2022-11-02 20:15:51,492 INFO L412 NwaCegarLoop]: 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 [2022-11-02 20:15:51,494 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 12 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 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 [2022-11-02 20:15:51,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:15:51,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-02 20:15:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-02 20:15:51,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 59 states have internal predecessors, (68), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:15:51,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-11-02 20:15:51,509 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 24 [2022-11-02 20:15:51,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:51,510 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-02 20:15:51,510 INFO L496 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) [2022-11-02 20:15:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-11-02 20:15:51,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-02 20:15:51,512 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:15:51,512 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:15:51,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:15:51,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:15:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:51,514 INFO L85 PathProgramCache]: Analyzing trace with hash 855883978, now seen corresponding path program 1 times [2022-11-02 20:15:51,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:51,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565909090] [2022-11-02 20:15:51,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:51,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:51,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:15:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:51,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:51,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:51,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565909090] [2022-11-02 20:15:51,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565909090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:51,697 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:51,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:15:51,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788332424] [2022-11-02 20:15:51,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:51,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:15:51,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:51,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:15:51,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:51,700 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-02 20:15:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:51,722 INFO L93 Difference]: Finished difference Result 139 states and 178 transitions. [2022-11-02 20:15:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:15:51,723 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), 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 28 [2022-11-02 20:15:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:51,725 INFO L225 Difference]: With dead ends: 139 [2022-11-02 20:15:51,725 INFO L226 Difference]: Without dead ends: 73 [2022-11-02 20:15:51,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:15:51,728 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 90 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 [2022-11-02 20:15:51,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:15:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-02 20:15:51,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-02 20:15:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 59 states have internal predecessors, (67), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:15:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2022-11-02 20:15:51,743 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 28 [2022-11-02 20:15:51,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:51,743 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2022-11-02 20:15:51,744 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), 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) [2022-11-02 20:15:51,744 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2022-11-02 20:15:51,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:15:51,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:15:51,746 INFO L195 NwaCegarLoop]: 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] [2022-11-02 20:15:51,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:15:51,746 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:15:51,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:51,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1235179039, now seen corresponding path program 1 times [2022-11-02 20:15:51,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:51,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144464836] [2022-11-02 20:15:51,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:51,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:15:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:15:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 20:15:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:52,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:52,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144464836] [2022-11-02 20:15:52,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144464836] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:52,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:52,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:15:52,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613303380] [2022-11-02 20:15:52,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:52,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:15:52,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:52,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:15:52,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:15:52,061 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:15:52,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:52,683 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2022-11-02 20:15:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:15:52,685 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-11-02 20:15:52,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:52,688 INFO L225 Difference]: With dead ends: 231 [2022-11-02 20:15:52,689 INFO L226 Difference]: Without dead ends: 165 [2022-11-02 20:15:52,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:15:52,692 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 140 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:15:52,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 367 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:15:52,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-02 20:15:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 135. [2022-11-02 20:15:52,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 94 states have (on average 1.2872340425531914) internal successors, (121), 107 states have internal predecessors, (121), 24 states have call successors, (24), 16 states have call predecessors, (24), 16 states have return successors, (25), 16 states have call predecessors, (25), 24 states have call successors, (25) [2022-11-02 20:15:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 170 transitions. [2022-11-02 20:15:52,732 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 170 transitions. Word has length 38 [2022-11-02 20:15:52,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:52,733 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 170 transitions. [2022-11-02 20:15:52,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:15:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 170 transitions. [2022-11-02 20:15:52,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-02 20:15:52,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:15:52,736 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-11-02 20:15:52,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:15:52,737 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:15:52,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:15:52,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1170742117, now seen corresponding path program 1 times [2022-11-02 20:15:52,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:15:52,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817815633] [2022-11-02 20:15:52,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:15:52,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:15:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:15:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:15:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:15:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:15:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:15:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:15:52,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:15:52,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817815633] [2022-11-02 20:15:52,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817815633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:15:52,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:15:52,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:15:52,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951340659] [2022-11-02 20:15:52,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:15:52,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:15:52,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:15:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:15:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:15:52,976 INFO L87 Difference]: Start difference. First operand 135 states and 170 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:15:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:15:53,178 INFO L93 Difference]: Finished difference Result 220 states and 279 transitions. [2022-11-02 20:15:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:15:53,178 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 42 [2022-11-02 20:15:53,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:15:53,180 INFO L225 Difference]: With dead ends: 220 [2022-11-02 20:15:53,180 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:15:53,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:15:53,194 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 71 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:15:53,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 127 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:15:53,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:15:53,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:15:53,199 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) [2022-11-02 20:15:53,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:15:53,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2022-11-02 20:15:53,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:15:53,201 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:15:53,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-02 20:15:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:15:53,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:15:53,205 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:15:53,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:15:53,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:15:54,040 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: true [2022-11-02 20:15:54,040 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2022-11-02 20:15:54,040 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2022-11-02 20:15:54,040 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2022-11-02 20:15:54,040 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2022-11-02 20:15:54,041 INFO L899 garLoopResultBuilder]: For program point L881-1(lines 877 888) no Hoare annotation was computed. [2022-11-02 20:15:54,041 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 877 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-02 20:15:54,042 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 877 888) no Hoare annotation was computed. [2022-11-02 20:15:54,043 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 324 353) no Hoare annotation was computed. [2022-11-02 20:15:54,043 INFO L902 garLoopResultBuilder]: At program point L349(lines 324 353) the Hoare annotation is: true [2022-11-02 20:15:54,043 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 324 353) the Hoare annotation is: true [2022-11-02 20:15:54,043 INFO L899 garLoopResultBuilder]: For program point L345(line 345) no Hoare annotation was computed. [2022-11-02 20:15:54,044 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2022-11-02 20:15:54,044 INFO L902 garLoopResultBuilder]: At program point L338-1(lines 338 342) the Hoare annotation is: true [2022-11-02 20:15:54,044 INFO L899 garLoopResultBuilder]: For program point L335(line 335) no Hoare annotation was computed. [2022-11-02 20:15:54,044 INFO L902 garLoopResultBuilder]: At program point L334-2(lines 334 348) the Hoare annotation is: true [2022-11-02 20:15:54,045 INFO L902 garLoopResultBuilder]: At program point L330(line 330) the Hoare annotation is: true [2022-11-02 20:15:54,046 INFO L899 garLoopResultBuilder]: For program point L330-1(line 330) no Hoare annotation was computed. [2022-11-02 20:15:54,046 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 889 897) the Hoare annotation is: true [2022-11-02 20:15:54,046 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 889 897) no Hoare annotation was computed. [2022-11-02 20:15:54,046 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 889 897) no Hoare annotation was computed. [2022-11-02 20:15:54,047 INFO L899 garLoopResultBuilder]: For program point L857(lines 857 861) no Hoare annotation was computed. [2022-11-02 20:15:54,048 INFO L895 garLoopResultBuilder]: At program point L857-2(lines 853 864) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,049 INFO L899 garLoopResultBuilder]: For program point L944(line 944) no Hoare annotation was computed. [2022-11-02 20:15:54,049 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,050 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-11-02 20:15:54,051 INFO L895 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,051 INFO L895 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,051 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2022-11-02 20:15:54,052 INFO L899 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2022-11-02 20:15:54,054 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 479) no Hoare annotation was computed. [2022-11-02 20:15:54,057 INFO L895 garLoopResultBuilder]: At program point L945(lines 940 947) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,057 INFO L895 garLoopResultBuilder]: At program point L466-1(lines 458 482) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~6#1| 0)) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-02 20:15:54,057 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,058 INFO L895 garLoopResultBuilder]: At program point L140-1(lines 121 145) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,058 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-02 20:15:54,058 INFO L895 garLoopResultBuilder]: At program point L195(lines 190 198) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-11-02 20:15:54,059 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-11-02 20:15:54,059 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2022-11-02 20:15:54,059 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2022-11-02 20:15:54,060 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,060 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,060 INFO L899 garLoopResultBuilder]: For program point L464-1(line 464) no Hoare annotation was computed. [2022-11-02 20:15:54,061 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-11-02 20:15:54,061 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2022-11-02 20:15:54,061 INFO L895 garLoopResultBuilder]: At program point L382(lines 378 384) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:15:54,061 INFO L895 garLoopResultBuilder]: At program point L444(lines 440 446) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:15:54,062 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-11-02 20:15:54,062 INFO L895 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:15:54,062 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2022-11-02 20:15:54,062 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:15:54,062 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2022-11-02 20:15:54,062 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:15:54,063 INFO L902 garLoopResultBuilder]: At program point L317(lines 258 321) the Hoare annotation is: true [2022-11-02 20:15:54,063 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:15:54,063 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 415) no Hoare annotation was computed. [2022-11-02 20:15:54,063 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:15:54,063 INFO L899 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-11-02 20:15:54,064 INFO L895 garLoopResultBuilder]: At program point L437(lines 433 439) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:15:54,064 INFO L902 garLoopResultBuilder]: At program point L392(lines 385 394) the Hoare annotation is: true [2022-11-02 20:15:54,064 INFO L902 garLoopResultBuilder]: At program point L417(lines 398 420) the Hoare annotation is: true [2022-11-02 20:15:54,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:15:54,065 INFO L895 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2022-11-02 20:15:54,065 INFO L899 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2022-11-02 20:15:54,065 INFO L899 garLoopResultBuilder]: For program point L298(lines 298 309) no Hoare annotation was computed. [2022-11-02 20:15:54,065 INFO L895 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:15:54,065 INFO L895 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:15:54,066 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2022-11-02 20:15:54,066 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2022-11-02 20:15:54,066 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 274) no Hoare annotation was computed. [2022-11-02 20:15:54,066 INFO L895 garLoopResultBuilder]: At program point L452(lines 447 455) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:15:54,066 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 865 876) no Hoare annotation was computed. [2022-11-02 20:15:54,067 INFO L899 garLoopResultBuilder]: For program point L869-1(lines 865 876) no Hoare annotation was computed. [2022-11-02 20:15:54,067 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 865 876) the Hoare annotation is: true [2022-11-02 20:15:54,067 INFO L895 garLoopResultBuilder]: At program point L250(lines 235 253) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,067 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2022-11-02 20:15:54,067 INFO L899 garLoopResultBuilder]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2022-11-02 20:15:54,068 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,068 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2022-11-02 20:15:54,068 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,068 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,068 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2022-11-02 20:15:54,069 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,069 INFO L895 garLoopResultBuilder]: At program point L935(lines 930 938) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2022-11-02 20:15:54,069 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2022-11-02 20:15:54,069 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2022-11-02 20:15:54,069 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 179 189) the Hoare annotation is: true [2022-11-02 20:15:54,070 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2022-11-02 20:15:54,070 INFO L902 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2022-11-02 20:15:54,070 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2022-11-02 20:15:54,070 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2022-11-02 20:15:54,079 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:15:54,082 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:15:54,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:15:54 BoogieIcfgContainer [2022-11-02 20:15:54,134 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:15:54,135 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:15:54,135 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:15:54,135 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:15:54,136 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:15:50" (3/4) ... [2022-11-02 20:15:54,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:15:54,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:15:54,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:15:54,148 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:15:54,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:15:54,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:15:54,149 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:15:54,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:15:54,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:15:54,150 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 20:15:54,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2022-11-02 20:15:54,165 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:15:54,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:15:54,166 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:15:54,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:15:54,167 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:15:54,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:15:54,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-02 20:15:54,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2022-11-02 20:15:54,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2022-11-02 20:15:54,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-02 20:15:54,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-02 20:15:54,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-02 20:15:54,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2022-11-02 20:15:54,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:15:54,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:15:54,267 INFO L158 Benchmark]: Toolchain (without parser) took 5476.29ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 71.8MB in the beginning and 80.6MB in the end (delta: -8.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,267 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 15.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:15:54,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.48ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 58.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.85ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,269 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 54.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,270 INFO L158 Benchmark]: RCFGBuilder took 748.70ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 54.7MB in the beginning and 94.9MB in the end (delta: -40.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,270 INFO L158 Benchmark]: TraceAbstraction took 3765.36ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 87.9MB in the end (delta: 6.3MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,271 INFO L158 Benchmark]: Witness Printer took 131.72ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 80.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:15:54,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 94.4MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 15.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.48ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 58.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.85ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 54.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.70ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 54.7MB in the beginning and 94.9MB in the end (delta: -40.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3765.36ms. Allocated memory is still 119.5MB. Free memory was 94.2MB in the beginning and 87.9MB in the end (delta: 6.3MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Witness Printer took 131.72ms. Allocated memory is still 119.5MB. Free memory was 87.9MB in the beginning and 80.6MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 944]: 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 10 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 310 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 863 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 441 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 422 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 319 HoareAnnotationTreeSize, 293 FomulaSimplifications, 74 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 618 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 306 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: 235]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 940]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || tmp == 0) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:15:54,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e677bf-ade2-40b7-99fb-3664e5c95c31/bin/uautomizer-Dbtcem3rbc/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