./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg --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 bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:00:12,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:00:12,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:00:12,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:00:12,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:00:12,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:00:12,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:00:12,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:00:12,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:00:12,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:00:12,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:00:12,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:00:12,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:00:12,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:00:12,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:00:12,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:00:12,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:00:12,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:00:12,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:00:12,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:00:12,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:00:12,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:00:12,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:00:12,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:00:12,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:00:12,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:00:12,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:00:12,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:00:12,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:00:12,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:00:12,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:00:12,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:00:12,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:00:12,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:00:12,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:00:12,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:00:12,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:00:12,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:00:12,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:00:12,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:00:12,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:00:12,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:00:12,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:00:12,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:00:12,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:00:12,492 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:00:12,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:00:12,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:00:12,494 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:00:12,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:00:12,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:00:12,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:00:12,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:00:12,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:00:12,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:00:12,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:00:12,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:00:12,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:00:12,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:00:12,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:00:12,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:00:12,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:00:12,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:00:12,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:00:12,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:12,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:00:12,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:00:12,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:00:12,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:00:12,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:00:12,507 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:00:12,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:00:12,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:00:12,511 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:00:12,511 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_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd7f84863cb412e83f8c5773a09de3282aa45b8f86409f0c880aae27635b0b5f [2021-10-28 09:00:12,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:00:12,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:00:12,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:00:12,880 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:00:12,881 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:00:12,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-28 09:00:12,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/data/1c17483ac/709d267112f94b2b80a2ebb13c287a7b/FLAGe3a3efe86 [2021-10-28 09:00:13,729 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:00:13,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-10-28 09:00:13,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/data/1c17483ac/709d267112f94b2b80a2ebb13c287a7b/FLAGe3a3efe86 [2021-10-28 09:00:13,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/data/1c17483ac/709d267112f94b2b80a2ebb13c287a7b [2021-10-28 09:00:13,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:00:13,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:00:13,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:13,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:00:13,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:00:13,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73be03ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:13, skipping insertion in model container [2021-10-28 09:00:13,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:00:13" (1/1) ... [2021-10-28 09:00:13,944 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:00:14,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:00:14,246 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-28 09:00:14,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:14,527 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:00:14,554 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c[1605,1618] [2021-10-28 09:00:14,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:00:14,674 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:00:14,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14 WrapperNode [2021-10-28 09:00:14,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:00:14,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:14,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:00:14,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:00:14,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:00:14,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:00:14,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:00:14,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:00:14,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:00:14,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:00:14,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:00:14,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:00:14,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (1/1) ... [2021-10-28 09:00:14,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:00:14,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:00:14,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:00:14,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:00:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:00:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:00:14,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:00:14,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:00:16,005 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:00:16,006 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-28 09:00:16,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:16 BoogieIcfgContainer [2021-10-28 09:00:16,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:00:16,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:00:16,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:00:16,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:00:16,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:00:13" (1/3) ... [2021-10-28 09:00:16,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c6e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:16, skipping insertion in model container [2021-10-28 09:00:16,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:00:14" (2/3) ... [2021-10-28 09:00:16,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@611c6e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:00:16, skipping insertion in model container [2021-10-28 09:00:16,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:16" (3/3) ... [2021-10-28 09:00:16,022 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-10-28 09:00:16,030 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:00:16,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:00:16,099 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:00:16,107 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:00:16,108 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:00:16,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:00:16,137 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:16,138 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:16,138 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:16,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:16,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1256308090, now seen corresponding path program 1 times [2021-10-28 09:00:16,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:16,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511886957] [2021-10-28 09:00:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:16,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:00:16,491 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:16,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511886957] [2021-10-28 09:00:16,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511886957] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:16,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:16,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:00:16,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909384472] [2021-10-28 09:00:16,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:00:16,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:16,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:00:16,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:00:16,523 INFO L87 Difference]: Start difference. First operand has 59 states, 55 states have (on average 1.5818181818181818) internal successors, (87), 58 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:16,551 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2021-10-28 09:00:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:00:16,553 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-28 09:00:16,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:16,565 INFO L225 Difference]: With dead ends: 112 [2021-10-28 09:00:16,565 INFO L226 Difference]: Without dead ends: 55 [2021-10-28 09:00:16,569 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:00:16,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-28 09:00:16,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-28 09:00:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 54 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 75 transitions. [2021-10-28 09:00:16,615 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 75 transitions. Word has length 16 [2021-10-28 09:00:16,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:16,616 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 75 transitions. [2021-10-28 09:00:16,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,617 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2021-10-28 09:00:16,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:00:16,618 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:16,618 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:16,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:00:16,619 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:16,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:16,621 INFO L85 PathProgramCache]: Analyzing trace with hash 209551193, now seen corresponding path program 1 times [2021-10-28 09:00:16,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:16,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641026761] [2021-10-28 09:00:16,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:16,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:16,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:00:16,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:16,790 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641026761] [2021-10-28 09:00:16,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641026761] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:16,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:16,791 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:00:16,791 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169556987] [2021-10-28 09:00:16,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:00:16,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:16,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:00:16,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:00:16,796 INFO L87 Difference]: Start difference. First operand 55 states and 75 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:16,820 INFO L93 Difference]: Finished difference Result 55 states and 75 transitions. [2021-10-28 09:00:16,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:00:16,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-28 09:00:16,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:16,826 INFO L225 Difference]: With dead ends: 55 [2021-10-28 09:00:16,826 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 09:00:16,828 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:00:16,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 09:00:16,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 09:00:16,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-28 09:00:16,842 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 17 [2021-10-28 09:00:16,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:16,843 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-28 09:00:16,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:16,844 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-28 09:00:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:00:16,845 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:16,846 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:16,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:00:16,847 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:16,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:16,848 INFO L85 PathProgramCache]: Analyzing trace with hash 474467475, now seen corresponding path program 1 times [2021-10-28 09:00:16,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:16,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439289797] [2021-10-28 09:00:16,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:16,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:17,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:00:17,018 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:17,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439289797] [2021-10-28 09:00:17,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439289797] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:17,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:17,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:00:17,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81125181] [2021-10-28 09:00:17,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:00:17,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:17,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:00:17,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:00:17,028 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:17,045 INFO L93 Difference]: Finished difference Result 75 states and 108 transitions. [2021-10-28 09:00:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:00:17,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 09:00:17,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:17,049 INFO L225 Difference]: With dead ends: 75 [2021-10-28 09:00:17,049 INFO L226 Difference]: Without dead ends: 52 [2021-10-28 09:00:17,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:00:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-10-28 09:00:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2021-10-28 09:00:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 47 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2021-10-28 09:00:17,062 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 22 [2021-10-28 09:00:17,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:17,063 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2021-10-28 09:00:17,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,063 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2021-10-28 09:00:17,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:00:17,065 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:17,065 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:17,065 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:00:17,066 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:17,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:17,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2106923728, now seen corresponding path program 1 times [2021-10-28 09:00:17,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:17,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287696409] [2021-10-28 09:00:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:17,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:00:17,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:17,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287696409] [2021-10-28 09:00:17,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287696409] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:17,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:17,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:00:17,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091549000] [2021-10-28 09:00:17,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:00:17,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:17,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:00:17,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:00:17,219 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:17,334 INFO L93 Difference]: Finished difference Result 169 states and 257 transitions. [2021-10-28 09:00:17,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:00:17,338 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-10-28 09:00:17,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:17,341 INFO L225 Difference]: With dead ends: 169 [2021-10-28 09:00:17,341 INFO L226 Difference]: Without dead ends: 127 [2021-10-28 09:00:17,342 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:00:17,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-10-28 09:00:17,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 84. [2021-10-28 09:00:17,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.4337349397590362) internal successors, (119), 83 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2021-10-28 09:00:17,378 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 22 [2021-10-28 09:00:17,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:17,378 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2021-10-28 09:00:17,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,379 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2021-10-28 09:00:17,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-28 09:00:17,382 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:00:17,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:00:17,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:00:17,383 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:00:17,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:00:17,385 INFO L85 PathProgramCache]: Analyzing trace with hash -170450738, now seen corresponding path program 1 times [2021-10-28 09:00:17,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:00:17,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638226072] [2021-10-28 09:00:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:00:17,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:00:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:00:17,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:00:17,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:00:17,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638226072] [2021-10-28 09:00:17,559 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638226072] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:00:17,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:00:17,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:00:17,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388433434] [2021-10-28 09:00:17,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:00:17,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:00:17,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:00:17,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:00:17,563 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:00:17,686 INFO L93 Difference]: Finished difference Result 204 states and 301 transitions. [2021-10-28 09:00:17,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:00:17,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-10-28 09:00:17,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:00:17,687 INFO L225 Difference]: With dead ends: 204 [2021-10-28 09:00:17,688 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:00:17,691 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:00:17,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:00:17,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:00:17,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:00:17,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-10-28 09:00:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:00:17,694 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:00:17,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:00:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:00:17,695 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:00:17,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:00:17,699 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:00:17,700 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:00:17,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:00:17,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:00:17,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,790 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,791 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,852 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,873 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:00:17,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:00:17,994 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:00:17,994 INFO L857 garLoopResultBuilder]: For program point L252(lines 252 265) no Hoare annotation was computed. [2021-10-28 09:00:17,994 INFO L853 garLoopResultBuilder]: At program point L153(lines 148 156) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 09:00:17,994 INFO L853 garLoopResultBuilder]: At program point L153-1(lines 148 156) the Hoare annotation is: false [2021-10-28 09:00:17,995 INFO L853 garLoopResultBuilder]: At program point L153-2(lines 148 156) the Hoare annotation is: false [2021-10-28 09:00:17,995 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 09:00:17,995 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 09:00:17,995 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 09:00:17,995 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 405) no Hoare annotation was computed. [2021-10-28 09:00:17,996 INFO L857 garLoopResultBuilder]: For program point L401-1(lines 76 82) no Hoare annotation was computed. [2021-10-28 09:00:17,996 INFO L853 garLoopResultBuilder]: At program point L881(lines 876 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:00:17,996 INFO L857 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-10-28 09:00:17,996 INFO L853 garLoopResultBuilder]: At program point L270(lines 221 271) the Hoare annotation is: false [2021-10-28 09:00:17,996 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 301) no Hoare annotation was computed. [2021-10-28 09:00:17,997 INFO L853 garLoopResultBuilder]: At program point L288-1(lines 1 884) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:17,997 INFO L857 garLoopResultBuilder]: For program point L288-2(lines 288 301) no Hoare annotation was computed. [2021-10-28 09:00:17,997 INFO L853 garLoopResultBuilder]: At program point L288-3(lines 1 884) the Hoare annotation is: false [2021-10-28 09:00:17,997 INFO L857 garLoopResultBuilder]: For program point L288-4(lines 288 301) no Hoare annotation was computed. [2021-10-28 09:00:17,997 INFO L853 garLoopResultBuilder]: At program point L288-5(lines 1 884) the Hoare annotation is: false [2021-10-28 09:00:17,998 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:00:17,998 INFO L857 garLoopResultBuilder]: For program point L223(lines 222 269) no Hoare annotation was computed. [2021-10-28 09:00:17,998 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 478) no Hoare annotation was computed. [2021-10-28 09:00:17,998 INFO L860 garLoopResultBuilder]: At program point L471-1(lines 471 478) the Hoare annotation is: true [2021-10-28 09:00:17,998 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 228) no Hoare annotation was computed. [2021-10-28 09:00:17,999 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:00:17,999 INFO L853 garLoopResultBuilder]: At program point L76(lines 75 94) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:17,999 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2021-10-28 09:00:17,999 INFO L853 garLoopResultBuilder]: At program point L76-2(lines 75 94) the Hoare annotation is: false [2021-10-28 09:00:17,999 INFO L853 garLoopResultBuilder]: At program point L76-3(lines 75 94) the Hoare annotation is: false [2021-10-28 09:00:18,000 INFO L857 garLoopResultBuilder]: For program point L324(lines 324 328) no Hoare annotation was computed. [2021-10-28 09:00:18,000 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2021-10-28 09:00:18,000 INFO L853 garLoopResultBuilder]: At program point L258-1(lines 76 82) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,000 INFO L857 garLoopResultBuilder]: For program point L242(lines 242 248) no Hoare annotation was computed. [2021-10-28 09:00:18,001 INFO L853 garLoopResultBuilder]: At program point L242-1(lines 242 248) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,001 INFO L857 garLoopResultBuilder]: For program point L292(lines 292 298) no Hoare annotation was computed. [2021-10-28 09:00:18,001 INFO L857 garLoopResultBuilder]: For program point L292-2(lines 292 298) no Hoare annotation was computed. [2021-10-28 09:00:18,001 INFO L857 garLoopResultBuilder]: For program point L292-4(lines 292 298) no Hoare annotation was computed. [2021-10-28 09:00:18,001 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:00:18,003 INFO L853 garLoopResultBuilder]: At program point L873(lines 1 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:00:18,003 INFO L857 garLoopResultBuilder]: For program point L312(lines 312 316) no Hoare annotation was computed. [2021-10-28 09:00:18,003 INFO L857 garLoopResultBuilder]: For program point L312-3(lines 312 316) no Hoare annotation was computed. [2021-10-28 09:00:18,003 INFO L857 garLoopResultBuilder]: For program point L312-6(lines 312 316) no Hoare annotation was computed. [2021-10-28 09:00:18,004 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 203) no Hoare annotation was computed. [2021-10-28 09:00:18,004 INFO L853 garLoopResultBuilder]: At program point L197-1(lines 197 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,018 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:00:18,018 INFO L853 garLoopResultBuilder]: At program point L445(lines 441 447) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:00:18,018 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 09:00:18,019 INFO L853 garLoopResultBuilder]: At program point L83(lines 83 89) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,019 INFO L853 garLoopResultBuilder]: At program point L83-1(lines 83 89) the Hoare annotation is: false [2021-10-28 09:00:18,019 INFO L853 garLoopResultBuilder]: At program point L83-2(lines 83 89) the Hoare annotation is: false [2021-10-28 09:00:18,020 INFO L853 garLoopResultBuilder]: At program point L397-2(lines 397 411) the Hoare annotation is: false [2021-10-28 09:00:18,020 INFO L857 garLoopResultBuilder]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-10-28 09:00:18,020 INFO L853 garLoopResultBuilder]: At program point L232-1(lines 232 238) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,020 INFO L860 garLoopResultBuilder]: At program point L480(lines 461 483) the Hoare annotation is: true [2021-10-28 09:00:18,021 INFO L853 garLoopResultBuilder]: At program point L381(lines 376 384) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:00:18,021 INFO L853 garLoopResultBuilder]: At program point L381-1(lines 376 384) the Hoare annotation is: false [2021-10-28 09:00:18,021 INFO L853 garLoopResultBuilder]: At program point L381-2(lines 376 384) the Hoare annotation is: false [2021-10-28 09:00:18,022 INFO L857 garLoopResultBuilder]: For program point L398(line 398) no Hoare annotation was computed. [2021-10-28 09:00:18,026 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-10-28 09:00:18,028 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:00:18,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:00:18 BoogieIcfgContainer [2021-10-28 09:00:18,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:00:18,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:00:18,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:00:18,059 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:00:18,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:00:16" (3/4) ... [2021-10-28 09:00:18,065 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:00:18,095 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:00:18,096 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:00:18,097 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:00:18,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:00:18,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:00:18,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:00:18,099 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:00:18,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 09:00:18,210 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:00:18,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:00:18,212 INFO L168 Benchmark]: Toolchain (without parser) took 4292.31 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 62.5 MB in the beginning and 51.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,213 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:00:18,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.57 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 69.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.84 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 67.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,214 INFO L168 Benchmark]: Boogie Preprocessor took 45.29 ms. Allocated memory is still 102.8 MB. Free memory was 67.2 MB in the beginning and 65.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,215 INFO L168 Benchmark]: RCFGBuilder took 1196.71 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.3 MB in the beginning and 92.0 MB in the end (delta: -26.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,215 INFO L168 Benchmark]: TraceAbstraction took 2044.49 ms. Allocated memory is still 123.7 MB. Free memory was 92.0 MB in the beginning and 56.9 MB in the end (delta: 35.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,216 INFO L168 Benchmark]: Witness Printer took 151.05 ms. Allocated memory is still 123.7 MB. Free memory was 56.9 MB in the beginning and 51.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:00:18,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 102.8 MB. Free memory is still 80.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 754.57 ms. Allocated memory is still 102.8 MB. Free memory was 62.3 MB in the beginning and 69.8 MB in the end (delta: -7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.84 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 67.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.29 ms. Allocated memory is still 102.8 MB. Free memory was 67.2 MB in the beginning and 65.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1196.71 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 65.3 MB in the beginning and 92.0 MB in the end (delta: -26.7 MB). Peak memory consumption was 39.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2044.49 ms. Allocated memory is still 123.7 MB. Free memory was 92.0 MB in the beginning and 56.9 MB in the end (delta: 35.1 MB). Peak memory consumption was 34.9 MB. Max. memory is 16.1 GB. * Witness Printer took 151.05 ms. Allocated memory is still 123.7 MB. Free memory was 56.9 MB in the beginning and 51.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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 1 procedures, 59 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 244 SDslu, 231 SDs, 0 SdLazy, 52 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 47 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 88 NumberOfFragments, 110 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1297 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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 3 specifications checked. All of them hold - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 461]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:00:18,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b85c52b-c795-4edb-a736-e7f6e098d8bc/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...