./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC --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 e45e56c1689a2d141d3728e45b37f6229eb5b2a7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:30:11,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:30:11,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:30:11,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:30:11,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:30:11,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:30:11,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:30:11,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:30:11,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:30:11,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:30:11,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:30:11,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:30:11,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:30:11,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:30:11,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:30:11,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:30:11,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:30:11,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:30:11,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:30:11,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:30:11,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:30:11,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:30:11,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:30:11,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:30:11,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:30:11,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:30:11,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:30:11,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:30:11,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:30:11,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:30:11,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:30:11,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:30:11,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:30:11,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:30:11,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:30:11,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:30:11,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:30:11,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:30:11,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:30:11,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:30:11,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:30:11,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:30:11,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:30:11,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:30:11,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:30:11,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:30:11,662 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:30:11,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:30:11,663 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:30:11,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:30:11,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:30:11,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:30:11,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:30:11,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:30:11,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:30:11,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:30:11,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:30:11,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:30:11,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:30:11,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:30:11,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:30:11,668 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:30:11,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:30:11,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:30:11,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:30:11,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:30:11,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:30:11,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:30:11,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:30:11,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:30:11,676 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_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45e56c1689a2d141d3728e45b37f6229eb5b2a7 [2021-10-11 00:30:11,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:30:11,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:30:11,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:30:11,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:30:11,986 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:30:11,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 00:30:12,080 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/data/cbc63317f/737461bcc3e44999915d299ef5b65468/FLAG4ee55d64d [2021-10-11 00:30:12,556 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:30:12,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2021-10-11 00:30:12,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/data/cbc63317f/737461bcc3e44999915d299ef5b65468/FLAG4ee55d64d [2021-10-11 00:30:12,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/data/cbc63317f/737461bcc3e44999915d299ef5b65468 [2021-10-11 00:30:12,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:30:12,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:30:12,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:12,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:30:12,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:30:12,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:12" (1/1) ... [2021-10-11 00:30:12,917 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad7a58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12, skipping insertion in model container [2021-10-11 00:30:12,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:12" (1/1) ... [2021-10-11 00:30:12,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:30:12,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:30:13,245 WARN L226 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_a6c41f6e-cea2-44c3-b910-ca561065908e/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 00:30:13,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:13,293 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:30:13,353 WARN L226 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_a6c41f6e-cea2-44c3-b910-ca561065908e/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13139,13152] [2021-10-11 00:30:13,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:30:13,411 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:30:13,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13 WrapperNode [2021-10-11 00:30:13,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:30:13,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:13,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:30:13,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:30:13,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:30:13,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:30:13,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:30:13,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:30:13,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,567 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... [2021-10-11 00:30:13,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:30:13,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:30:13,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:30:13,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:30:13,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:30:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:30:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:30:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:30:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:30:14,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:30:14,859 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-11 00:30:14,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:14 BoogieIcfgContainer [2021-10-11 00:30:14,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:30:14,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:30:14,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:30:14,868 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:30:14,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:30:12" (1/3) ... [2021-10-11 00:30:14,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1231b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:14, skipping insertion in model container [2021-10-11 00:30:14,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:13" (2/3) ... [2021-10-11 00:30:14,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1231b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:14, skipping insertion in model container [2021-10-11 00:30:14,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:14" (3/3) ... [2021-10-11 00:30:14,872 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2021-10-11 00:30:14,886 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:30:14,890 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:30:14,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:30:14,929 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:30:14,930 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:30:14,930 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:30:14,930 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:30:14,930 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:30:14,930 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:30:14,930 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:30:14,935 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:30:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 00:30:14,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:30:14,972 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:14,973 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:14,973 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:14,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-11 00:30:14,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:14,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803262550] [2021-10-11 00:30:14,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:15,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803262550] [2021-10-11 00:30:15,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:15,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:30:15,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841762301] [2021-10-11 00:30:15,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:30:15,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:15,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:30:15,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:30:15,245 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 00:30:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:15,279 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 00:30:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:30:15,281 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:30:15,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:15,308 INFO L225 Difference]: With dead ends: 268 [2021-10-11 00:30:15,308 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 00:30:15,313 INFO L677 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 [2021-10-11 00:30:15,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 00:30:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 00:30:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 00:30:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 00:30:15,391 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 00:30:15,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:15,392 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 00:30:15,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:30:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 00:30:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:30:15,395 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:15,396 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:15,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:30:15,396 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:15,399 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-11 00:30:15,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:15,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597738760] [2021-10-11 00:30:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:15,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597738760] [2021-10-11 00:30:15,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:15,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:30:15,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671105583] [2021-10-11 00:30:15,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:15,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:15,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:15,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:15,606 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 00:30:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:15,622 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 00:30:15,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:15,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:30:15,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:15,626 INFO L225 Difference]: With dead ends: 133 [2021-10-11 00:30:15,626 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:30:15,628 INFO L677 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 [2021-10-11 00:30:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:30:15,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:30:15,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:30:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 00:30:15,640 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 00:30:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:15,641 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 00:30:15,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 00:30:15,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:30:15,643 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:15,644 INFO L422 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] [2021-10-11 00:30:15,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:30:15,645 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:15,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:15,647 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-11 00:30:15,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:15,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672882454] [2021-10-11 00:30:15,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:15,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672882454] [2021-10-11 00:30:15,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:15,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:15,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502095013] [2021-10-11 00:30:15,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:15,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:15,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:15,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:15,804 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 5 states. [2021-10-11 00:30:15,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:15,892 INFO L93 Difference]: Finished difference Result 127 states and 186 transitions. [2021-10-11 00:30:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:30:15,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:30:15,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:15,894 INFO L225 Difference]: With dead ends: 127 [2021-10-11 00:30:15,894 INFO L226 Difference]: Without dead ends: 78 [2021-10-11 00:30:15,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:30:15,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-10-11 00:30:15,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2021-10-11 00:30:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-10-11 00:30:15,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-10-11 00:30:15,904 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-10-11 00:30:15,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:15,904 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-10-11 00:30:15,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-10-11 00:30:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:30:15,906 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:15,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:15,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:30:15,906 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:15,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-11 00:30:15,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:15,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516101942] [2021-10-11 00:30:15,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:15,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516101942] [2021-10-11 00:30:15,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:15,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:30:15,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676363483] [2021-10-11 00:30:15,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:30:15,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:15,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:30:15,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:30:15,972 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2021-10-11 00:30:16,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:16,021 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-10-11 00:30:16,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:30:16,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:30:16,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:16,023 INFO L225 Difference]: With dead ends: 163 [2021-10-11 00:30:16,023 INFO L226 Difference]: Without dead ends: 95 [2021-10-11 00:30:16,024 INFO L677 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 [2021-10-11 00:30:16,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-11 00:30:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-10-11 00:30:16,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-10-11 00:30:16,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-10-11 00:30:16,043 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-10-11 00:30:16,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:16,043 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-10-11 00:30:16,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:30:16,044 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-10-11 00:30:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:30:16,046 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:16,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:16,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:30:16,046 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:16,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:16,047 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-11 00:30:16,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:16,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722394222] [2021-10-11 00:30:16,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:16,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:16,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722394222] [2021-10-11 00:30:16,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:16,164 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:30:16,164 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945003777] [2021-10-11 00:30:16,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:30:16,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:16,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:30:16,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:30:16,167 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 8 states. [2021-10-11 00:30:16,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:16,586 INFO L93 Difference]: Finished difference Result 599 states and 872 transitions. [2021-10-11 00:30:16,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-11 00:30:16,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2021-10-11 00:30:16,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:16,591 INFO L225 Difference]: With dead ends: 599 [2021-10-11 00:30:16,591 INFO L226 Difference]: Without dead ends: 512 [2021-10-11 00:30:16,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-11 00:30:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2021-10-11 00:30:16,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 231. [2021-10-11 00:30:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2021-10-11 00:30:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 322 transitions. [2021-10-11 00:30:16,619 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 322 transitions. Word has length 25 [2021-10-11 00:30:16,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:16,620 INFO L481 AbstractCegarLoop]: Abstraction has 231 states and 322 transitions. [2021-10-11 00:30:16,620 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:30:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 322 transitions. [2021-10-11 00:30:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-11 00:30:16,623 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:16,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:16,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:30:16,623 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:16,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:16,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2071461866, now seen corresponding path program 1 times [2021-10-11 00:30:16,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:16,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901883019] [2021-10-11 00:30:16,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:16,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:16,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901883019] [2021-10-11 00:30:16,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812112948] [2021-10-11 00:30:16,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:16,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:16,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 00:30:16,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:16,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:30:16,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-11 00:30:16,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930599744] [2021-10-11 00:30:16,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:30:16,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:16,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:30:16,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:16,941 INFO L87 Difference]: Start difference. First operand 231 states and 322 transitions. Second operand 4 states. [2021-10-11 00:30:17,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:17,113 INFO L93 Difference]: Finished difference Result 516 states and 733 transitions. [2021-10-11 00:30:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:17,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2021-10-11 00:30:17,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:17,116 INFO L225 Difference]: With dead ends: 516 [2021-10-11 00:30:17,116 INFO L226 Difference]: Without dead ends: 353 [2021-10-11 00:30:17,117 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:17,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-10-11 00:30:17,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 341. [2021-10-11 00:30:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2021-10-11 00:30:17,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 481 transitions. [2021-10-11 00:30:17,171 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 481 transitions. Word has length 41 [2021-10-11 00:30:17,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:17,171 INFO L481 AbstractCegarLoop]: Abstraction has 341 states and 481 transitions. [2021-10-11 00:30:17,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 481 transitions. [2021-10-11 00:30:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:30:17,178 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:17,184 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:17,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-11 00:30:17,399 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:17,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:17,400 INFO L82 PathProgramCache]: Analyzing trace with hash -432399250, now seen corresponding path program 1 times [2021-10-11 00:30:17,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:17,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862316656] [2021-10-11 00:30:17,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:17,474 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:30:17,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862316656] [2021-10-11 00:30:17,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:17,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:17,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051076299] [2021-10-11 00:30:17,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:17,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:17,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:17,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:17,477 INFO L87 Difference]: Start difference. First operand 341 states and 481 transitions. Second operand 5 states. [2021-10-11 00:30:17,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:17,587 INFO L93 Difference]: Finished difference Result 1051 states and 1472 transitions. [2021-10-11 00:30:17,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:30:17,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2021-10-11 00:30:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:17,596 INFO L225 Difference]: With dead ends: 1051 [2021-10-11 00:30:17,596 INFO L226 Difference]: Without dead ends: 716 [2021-10-11 00:30:17,597 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-10-11 00:30:17,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 362. [2021-10-11 00:30:17,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2021-10-11 00:30:17,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 502 transitions. [2021-10-11 00:30:17,632 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 502 transitions. Word has length 53 [2021-10-11 00:30:17,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:17,632 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 502 transitions. [2021-10-11 00:30:17,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:17,632 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 502 transitions. [2021-10-11 00:30:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:30:17,633 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:17,633 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:17,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:30:17,634 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:17,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:17,634 INFO L82 PathProgramCache]: Analyzing trace with hash -504785808, now seen corresponding path program 1 times [2021-10-11 00:30:17,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:17,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022701927] [2021-10-11 00:30:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:17,685 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:30:17,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022701927] [2021-10-11 00:30:17,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:17,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:30:17,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774667852] [2021-10-11 00:30:17,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:30:17,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:17,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:30:17,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:30:17,689 INFO L87 Difference]: Start difference. First operand 362 states and 502 transitions. Second operand 4 states. [2021-10-11 00:30:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:17,783 INFO L93 Difference]: Finished difference Result 840 states and 1169 transitions. [2021-10-11 00:30:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:30:17,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2021-10-11 00:30:17,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:17,787 INFO L225 Difference]: With dead ends: 840 [2021-10-11 00:30:17,787 INFO L226 Difference]: Without dead ends: 484 [2021-10-11 00:30:17,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:17,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2021-10-11 00:30:17,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 316. [2021-10-11 00:30:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-10-11 00:30:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 434 transitions. [2021-10-11 00:30:17,821 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 434 transitions. Word has length 53 [2021-10-11 00:30:17,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:17,822 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 434 transitions. [2021-10-11 00:30:17,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:30:17,823 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2021-10-11 00:30:17,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:30:17,824 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:17,825 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:17,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:30:17,825 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:17,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1070084556, now seen corresponding path program 1 times [2021-10-11 00:30:17,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:17,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111896025] [2021-10-11 00:30:17,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:30:17,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111896025] [2021-10-11 00:30:17,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:17,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:17,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281009578] [2021-10-11 00:30:17,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:17,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:17,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:17,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:17,922 INFO L87 Difference]: Start difference. First operand 316 states and 434 transitions. Second operand 5 states. [2021-10-11 00:30:18,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:18,057 INFO L93 Difference]: Finished difference Result 1158 states and 1614 transitions. [2021-10-11 00:30:18,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:30:18,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 00:30:18,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:18,063 INFO L225 Difference]: With dead ends: 1158 [2021-10-11 00:30:18,063 INFO L226 Difference]: Without dead ends: 890 [2021-10-11 00:30:18,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:18,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2021-10-11 00:30:18,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 322. [2021-10-11 00:30:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-10-11 00:30:18,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 440 transitions. [2021-10-11 00:30:18,106 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 440 transitions. Word has length 54 [2021-10-11 00:30:18,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:18,108 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 440 transitions. [2021-10-11 00:30:18,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 440 transitions. [2021-10-11 00:30:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:30:18,109 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:18,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:18,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:30:18,109 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:18,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:18,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1463111566, now seen corresponding path program 1 times [2021-10-11 00:30:18,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:18,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332953037] [2021-10-11 00:30:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:18,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:30:18,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332953037] [2021-10-11 00:30:18,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:18,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:18,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001199846] [2021-10-11 00:30:18,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:18,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:18,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:18,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:18,178 INFO L87 Difference]: Start difference. First operand 322 states and 440 transitions. Second operand 5 states. [2021-10-11 00:30:18,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:18,376 INFO L93 Difference]: Finished difference Result 859 states and 1177 transitions. [2021-10-11 00:30:18,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:30:18,376 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-10-11 00:30:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:18,381 INFO L225 Difference]: With dead ends: 859 [2021-10-11 00:30:18,381 INFO L226 Difference]: Without dead ends: 857 [2021-10-11 00:30:18,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:30:18,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-10-11 00:30:18,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 322. [2021-10-11 00:30:18,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2021-10-11 00:30:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 435 transitions. [2021-10-11 00:30:18,421 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 435 transitions. Word has length 54 [2021-10-11 00:30:18,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:18,422 INFO L481 AbstractCegarLoop]: Abstraction has 322 states and 435 transitions. [2021-10-11 00:30:18,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 435 transitions. [2021-10-11 00:30:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-11 00:30:18,423 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:18,423 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:18,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:30:18,423 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:18,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:18,424 INFO L82 PathProgramCache]: Analyzing trace with hash 492427471, now seen corresponding path program 1 times [2021-10-11 00:30:18,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:18,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60419016] [2021-10-11 00:30:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:18,494 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:18,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60419016] [2021-10-11 00:30:18,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29281635] [2021-10-11 00:30:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:18,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:30:18,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:30:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:30:18,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:30:18,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-11 00:30:18,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076790405] [2021-10-11 00:30:18,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:30:18,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:18,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:30:18,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:18,736 INFO L87 Difference]: Start difference. First operand 322 states and 435 transitions. Second operand 6 states. [2021-10-11 00:30:19,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:19,032 INFO L93 Difference]: Finished difference Result 722 states and 975 transitions. [2021-10-11 00:30:19,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:30:19,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-10-11 00:30:19,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:19,036 INFO L225 Difference]: With dead ends: 722 [2021-10-11 00:30:19,036 INFO L226 Difference]: Without dead ends: 448 [2021-10-11 00:30:19,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:30:19,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-11 00:30:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 284. [2021-10-11 00:30:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2021-10-11 00:30:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 377 transitions. [2021-10-11 00:30:19,075 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 377 transitions. Word has length 55 [2021-10-11 00:30:19,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:19,075 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 377 transitions. [2021-10-11 00:30:19,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:30:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 377 transitions. [2021-10-11 00:30:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 00:30:19,076 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:19,076 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:19,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:30:19,291 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:19,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:19,292 INFO L82 PathProgramCache]: Analyzing trace with hash 533191345, now seen corresponding path program 2 times [2021-10-11 00:30:19,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:19,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217353747] [2021-10-11 00:30:19,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:19,439 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:30:19,439 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217353747] [2021-10-11 00:30:19,440 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:19,440 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:19,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044865170] [2021-10-11 00:30:19,440 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:19,441 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:19,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:19,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:19,442 INFO L87 Difference]: Start difference. First operand 284 states and 377 transitions. Second operand 5 states. [2021-10-11 00:30:19,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:19,807 INFO L93 Difference]: Finished difference Result 833 states and 1123 transitions. [2021-10-11 00:30:19,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:30:19,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 00:30:19,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:19,811 INFO L225 Difference]: With dead ends: 833 [2021-10-11 00:30:19,811 INFO L226 Difference]: Without dead ends: 596 [2021-10-11 00:30:19,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:30:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2021-10-11 00:30:19,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 385. [2021-10-11 00:30:19,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2021-10-11 00:30:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 511 transitions. [2021-10-11 00:30:19,867 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 511 transitions. Word has length 76 [2021-10-11 00:30:19,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:19,867 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 511 transitions. [2021-10-11 00:30:19,867 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 511 transitions. [2021-10-11 00:30:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-11 00:30:19,868 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:30:19,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:30:19,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:30:19,869 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:30:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:30:19,869 INFO L82 PathProgramCache]: Analyzing trace with hash 807950959, now seen corresponding path program 1 times [2021-10-11 00:30:19,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:30:19,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654175660] [2021-10-11 00:30:19,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:30:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:30:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:30:19,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654175660] [2021-10-11 00:30:19,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:30:19,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:30:19,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457235512] [2021-10-11 00:30:19,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:30:19,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:30:19,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:30:19,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:30:19,932 INFO L87 Difference]: Start difference. First operand 385 states and 511 transitions. Second operand 5 states. [2021-10-11 00:30:20,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:30:20,021 INFO L93 Difference]: Finished difference Result 735 states and 976 transitions. [2021-10-11 00:30:20,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:30:20,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-10-11 00:30:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:30:20,022 INFO L225 Difference]: With dead ends: 735 [2021-10-11 00:30:20,022 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:30:20,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:30:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:30:20,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:30:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:30:20,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:30:20,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-11 00:30:20,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:30:20,024 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:30:20,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:30:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:30:20,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:30:20,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:30:20,027 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:30:20,601 WARN L197 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2021-10-11 00:30:20,933 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 109 [2021-10-11 00:30:21,082 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 111 [2021-10-11 00:30:21,498 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 176 [2021-10-11 00:30:21,857 WARN L197 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 177 [2021-10-11 00:30:22,151 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 150 [2021-10-11 00:30:22,547 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 182 [2021-10-11 00:30:22,994 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 176 [2021-10-11 00:30:24,369 WARN L197 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2021-10-11 00:30:24,742 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 24 [2021-10-11 00:30:25,228 WARN L197 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 20 [2021-10-11 00:30:25,355 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 17 [2021-10-11 00:30:26,346 WARN L197 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2021-10-11 00:30:27,304 WARN L197 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 24 [2021-10-11 00:30:27,534 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 23 [2021-10-11 00:30:28,213 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 28 [2021-10-11 00:30:29,307 WARN L197 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2021-10-11 00:30:29,489 WARN L197 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2021-10-11 00:30:30,325 WARN L197 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2021-10-11 00:30:30,328 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,328 INFO L262 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,328 INFO L262 CegarLoopResult]: For program point L663(lines 663 671) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L696-2(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L663-1(lines 663 671) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L663-2(lines 663 671) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L696-4(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L696-6(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L696-8(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L696-10(lines 696 702) no Hoare annotation was computed. [2021-10-11 00:30:30,329 INFO L262 CegarLoopResult]: For program point L862(lines 862 868) no Hoare annotation was computed. [2021-10-11 00:30:30,330 INFO L258 CegarLoopResult]: At program point L862-1(lines 862 868) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2021-10-11 00:30:30,330 INFO L258 CegarLoopResult]: At program point L730(lines 725 733) the Hoare annotation is: false [2021-10-11 00:30:30,330 INFO L258 CegarLoopResult]: At program point L730-1(lines 725 733) the Hoare annotation is: false [2021-10-11 00:30:30,330 INFO L258 CegarLoopResult]: At program point L730-2(lines 725 733) the Hoare annotation is: false [2021-10-11 00:30:30,330 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L798-2(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L798-3(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L798-5(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,331 INFO L262 CegarLoopResult]: For program point L798-6(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L633-3(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L798-8(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L633-4(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L633-5(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:30:30,332 INFO L262 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2021-10-11 00:30:30,333 INFO L258 CegarLoopResult]: At program point L601(lines 600 619) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) .cse2 (<= 1 ~waterLevel~0) .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-10-11 00:30:30,333 INFO L262 CegarLoopResult]: For program point L601-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 00:30:30,333 INFO L258 CegarLoopResult]: At program point L601-2(lines 600 619) the Hoare annotation is: false [2021-10-11 00:30:30,333 INFO L258 CegarLoopResult]: At program point L601-3(lines 600 619) the Hoare annotation is: false [2021-10-11 00:30:30,333 INFO L258 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:30:30,334 INFO L258 CegarLoopResult]: At program point L999-1(lines 994 1002) the Hoare annotation is: false [2021-10-11 00:30:30,334 INFO L258 CegarLoopResult]: At program point L999-2(lines 994 1002) the Hoare annotation is: false [2021-10-11 00:30:30,334 INFO L258 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:30:30,334 INFO L262 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,334 INFO L262 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,334 INFO L262 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,335 INFO L262 CegarLoopResult]: For program point L637-3(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,335 INFO L262 CegarLoopResult]: For program point L637-4(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,335 INFO L262 CegarLoopResult]: For program point L637-5(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:30:30,335 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,335 INFO L265 CegarLoopResult]: At program point L176(lines 157 179) the Hoare annotation is: true [2021-10-11 00:30:30,336 INFO L258 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) [2021-10-11 00:30:30,336 INFO L258 CegarLoopResult]: At program point L804(lines 789 807) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterLevel_#res| 1) (= ULTIMATE.start_main_~tmp~0 1) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:30:30,336 INFO L258 CegarLoopResult]: At program point L804-1(lines 789 807) the Hoare annotation is: false [2021-10-11 00:30:30,336 INFO L258 CegarLoopResult]: At program point L804-2(lines 789 807) the Hoare annotation is: false [2021-10-11 00:30:30,336 INFO L262 CegarLoopResult]: For program point L872(lines 872 887) no Hoare annotation was computed. [2021-10-11 00:30:30,337 INFO L258 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-10-11 00:30:30,337 INFO L258 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-10-11 00:30:30,337 INFO L258 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-10-11 00:30:30,337 INFO L262 CegarLoopResult]: For program point L907(lines 907 911) no Hoare annotation was computed. [2021-10-11 00:30:30,337 INFO L262 CegarLoopResult]: For program point L907-3(lines 907 911) no Hoare annotation was computed. [2021-10-11 00:30:30,337 INFO L262 CegarLoopResult]: For program point L907-6(lines 907 911) no Hoare annotation was computed. [2021-10-11 00:30:30,338 INFO L262 CegarLoopResult]: For program point L843(lines 842 891) no Hoare annotation was computed. [2021-10-11 00:30:30,338 INFO L258 CegarLoopResult]: At program point L976(lines 971 979) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-11 00:30:30,338 INFO L258 CegarLoopResult]: At program point L976-1(lines 971 979) the Hoare annotation is: false [2021-10-11 00:30:30,338 INFO L258 CegarLoopResult]: At program point L976-2(lines 971 979) the Hoare annotation is: false [2021-10-11 00:30:30,338 INFO L262 CegarLoopResult]: For program point L844(lines 844 848) no Hoare annotation was computed. [2021-10-11 00:30:30,339 INFO L262 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,339 INFO L262 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,339 INFO L262 CegarLoopResult]: For program point L580-2(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,339 INFO L258 CegarLoopResult]: At program point L944(lines 939 947) the Hoare annotation is: false [2021-10-11 00:30:30,339 INFO L258 CegarLoopResult]: At program point L944-1(lines 939 947) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:30:30,339 INFO L258 CegarLoopResult]: At program point L944-2(lines 939 947) the Hoare annotation is: false [2021-10-11 00:30:30,340 INFO L258 CegarLoopResult]: At program point L944-3(lines 939 947) the Hoare annotation is: false [2021-10-11 00:30:30,340 INFO L262 CegarLoopResult]: For program point L812(lines 812 818) no Hoare annotation was computed. [2021-10-11 00:30:30,340 INFO L258 CegarLoopResult]: At program point L944-4(lines 939 947) the Hoare annotation is: false [2021-10-11 00:30:30,340 INFO L258 CegarLoopResult]: At program point L812-1(lines 812 818) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_main_~tmp~0 1) (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-10-11 00:30:30,340 INFO L262 CegarLoopResult]: For program point L779(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L258 CegarLoopResult]: At program point L944-5(lines 939 947) the Hoare annotation is: false [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-2(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-3(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-5(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-6(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-8(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,341 INFO L262 CegarLoopResult]: For program point L779-9(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L779-11(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L779-12(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L779-14(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L779-15(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L779-17(lines 779 783) no Hoare annotation was computed. [2021-10-11 00:30:30,342 INFO L262 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-10-11 00:30:30,343 INFO L258 CegarLoopResult]: At program point L880-1(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse3 .cse4) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse2 .cse3 .cse4 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)))) [2021-10-11 00:30:30,343 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:30:30,343 INFO L258 CegarLoopResult]: At program point L785(lines 770 788) the Hoare annotation is: false [2021-10-11 00:30:30,343 INFO L258 CegarLoopResult]: At program point L785-1(lines 770 788) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse0 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~8 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| 1)))) [2021-10-11 00:30:30,344 INFO L258 CegarLoopResult]: At program point L785-2(lines 770 788) the Hoare annotation is: false [2021-10-11 00:30:30,344 INFO L258 CegarLoopResult]: At program point L785-3(lines 770 788) the Hoare annotation is: false [2021-10-11 00:30:30,344 INFO L258 CegarLoopResult]: At program point L785-4(lines 770 788) the Hoare annotation is: false [2021-10-11 00:30:30,344 INFO L258 CegarLoopResult]: At program point L785-5(lines 770 788) the Hoare annotation is: false [2021-10-11 00:30:30,344 INFO L258 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2021-10-11 00:30:30,344 INFO L262 CegarLoopResult]: For program point L984(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L262 CegarLoopResult]: For program point L984-1(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L262 CegarLoopResult]: For program point L984-2(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L262 CegarLoopResult]: For program point L984-3(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L262 CegarLoopResult]: For program point L852(lines 852 858) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L262 CegarLoopResult]: For program point L984-4(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,345 INFO L258 CegarLoopResult]: At program point L852-1(lines 852 858) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse5 (not (= 0 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4)) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse5 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse5 .cse4 .cse2 .cse3))) [2021-10-11 00:30:30,346 INFO L262 CegarLoopResult]: For program point L984-5(lines 984 990) no Hoare annotation was computed. [2021-10-11 00:30:30,346 INFO L262 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2021-10-11 00:30:30,346 INFO L262 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2021-10-11 00:30:30,346 INFO L258 CegarLoopResult]: At program point L721(lines 714 724) the Hoare annotation is: false [2021-10-11 00:30:30,346 INFO L258 CegarLoopResult]: At program point L721-1(lines 714 724) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:30:30,346 INFO L258 CegarLoopResult]: At program point L721-2(lines 714 724) the Hoare annotation is: false [2021-10-11 00:30:30,347 INFO L258 CegarLoopResult]: At program point L721-3(lines 714 724) the Hoare annotation is: false [2021-10-11 00:30:30,347 INFO L258 CegarLoopResult]: At program point L721-4(lines 714 724) the Hoare annotation is: false [2021-10-11 00:30:30,347 INFO L258 CegarLoopResult]: At program point L721-5(lines 714 724) the Hoare annotation is: false [2021-10-11 00:30:30,347 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:30:30,347 INFO L262 CegarLoopResult]: For program point L558(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:30:30,348 INFO L258 CegarLoopResult]: At program point L558-1(lines 1 1002) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse6 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (.cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~4))) (or (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse6 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and .cse0 .cse6 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:30:30,348 INFO L262 CegarLoopResult]: For program point L558-2(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:30:30,348 INFO L258 CegarLoopResult]: At program point L558-3(lines 1 1002) the Hoare annotation is: false [2021-10-11 00:30:30,348 INFO L262 CegarLoopResult]: For program point L558-4(lines 558 571) no Hoare annotation was computed. [2021-10-11 00:30:30,348 INFO L258 CegarLoopResult]: At program point L558-5(lines 1 1002) the Hoare annotation is: false [2021-10-11 00:30:30,348 INFO L262 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-10-11 00:30:30,349 INFO L262 CegarLoopResult]: For program point L96-1(lines 601 607) no Hoare annotation was computed. [2021-10-11 00:30:30,349 INFO L258 CegarLoopResult]: At program point L989(lines 980 993) the Hoare annotation is: false [2021-10-11 00:30:30,349 INFO L258 CegarLoopResult]: At program point L989-1(lines 980 993) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 (= ULTIMATE.start_main_~tmp~0 ~waterLevel~0)) (and (= ULTIMATE.start_main_~tmp~0 1) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3))) [2021-10-11 00:30:30,349 INFO L258 CegarLoopResult]: At program point L989-2(lines 980 993) the Hoare annotation is: false [2021-10-11 00:30:30,349 INFO L258 CegarLoopResult]: At program point L989-3(lines 980 993) the Hoare annotation is: false [2021-10-11 00:30:30,349 INFO L258 CegarLoopResult]: At program point L989-4(lines 980 993) the Hoare annotation is: false [2021-10-11 00:30:30,350 INFO L258 CegarLoopResult]: At program point L989-5(lines 980 993) the Hoare annotation is: false [2021-10-11 00:30:30,350 INFO L262 CegarLoopResult]: For program point L659(lines 659 676) no Hoare annotation was computed. [2021-10-11 00:30:30,350 INFO L262 CegarLoopResult]: For program point L659-1(lines 659 676) no Hoare annotation was computed. [2021-10-11 00:30:30,350 INFO L262 CegarLoopResult]: For program point L659-2(lines 659 676) no Hoare annotation was computed. [2021-10-11 00:30:30,350 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:30:30,350 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2021-10-11 00:30:30,351 INFO L258 CegarLoopResult]: At program point L892(lines 841 893) the Hoare annotation is: false [2021-10-11 00:30:30,351 INFO L262 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:30:30,351 INFO L262 CegarLoopResult]: For program point L562-2(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:30:30,351 INFO L262 CegarLoopResult]: For program point L562-4(lines 562 568) no Hoare annotation was computed. [2021-10-11 00:30:30,351 INFO L258 CegarLoopResult]: At program point L67(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:30:30,351 INFO L262 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2021-10-11 00:30:30,352 INFO L265 CegarLoopResult]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2021-10-11 00:30:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:30 BoogieIcfgContainer [2021-10-11 00:30:30,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:30:30,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:30:30,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:30:30,384 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:30:30,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:14" (3/4) ... [2021-10-11 00:30:30,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:30:30,412 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:30:30,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:30:30,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:30:30,417 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:30:30,419 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:30:30,420 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:30,422 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:30:30,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:30:30,448 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel [2021-10-11 00:30:30,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) [2021-10-11 00:30:30,449 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:30:30,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:30:30,450 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-10-11 00:30:30,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-10-11 00:30:30,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-10-11 00:30:30,451 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) [2021-10-11 00:30:30,452 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) [2021-10-11 00:30:30,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:30:30,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:30:30,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:30:30,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:30:30,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:30:30,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 [2021-10-11 00:30:30,521 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6c41f6e-cea2-44c3-b910-ca561065908e/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:30:30,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:30:30,523 INFO L168 Benchmark]: Toolchain (without parser) took 17616.09 ms. Allocated memory was 92.3 MB in the beginning and 343.9 MB in the end (delta: 251.7 MB). Free memory was 50.5 MB in the beginning and 172.0 MB in the end (delta: -121.5 MB). Peak memory consumption was 129.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,523 INFO L168 Benchmark]: CDTParser took 0.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:30:30,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.44 ms. Allocated memory is still 92.3 MB. Free memory was 50.3 MB in the beginning and 56.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.54 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 52.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,524 INFO L168 Benchmark]: Boogie Preprocessor took 74.87 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 49.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,525 INFO L168 Benchmark]: RCFGBuilder took 1259.46 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 81.2 MB in the end (delta: -32.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,525 INFO L168 Benchmark]: TraceAbstraction took 15518.65 ms. Allocated memory was 113.2 MB in the beginning and 343.9 MB in the end (delta: 230.7 MB). Free memory was 80.8 MB in the beginning and 183.5 MB in the end (delta: -102.7 MB). Peak memory consumption was 203.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,525 INFO L168 Benchmark]: Witness Printer took 138.04 ms. Allocated memory is still 343.9 MB. Free memory was 183.5 MB in the beginning and 172.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:30:30,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 44.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 500.44 ms. Allocated memory is still 92.3 MB. Free memory was 50.3 MB in the beginning and 56.2 MB in the end (delta: -6.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.54 ms. Allocated memory is still 92.3 MB. Free memory was 56.2 MB in the beginning and 52.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.87 ms. Allocated memory is still 92.3 MB. Free memory was 52.0 MB in the beginning and 49.0 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1259.46 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 49.0 MB in the beginning and 81.2 MB in the end (delta: -32.2 MB). Peak memory consumption was 34.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15518.65 ms. Allocated memory was 113.2 MB in the beginning and 343.9 MB in the end (delta: 230.7 MB). Free memory was 80.8 MB in the beginning and 183.5 MB in the end (delta: -102.7 MB). Peak memory consumption was 203.0 MB. Max. memory is 16.1 GB. * Witness Printer took 138.04 ms. Allocated memory is still 343.9 MB. Free memory was 183.5 MB in the beginning and 172.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 580]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == 1) && \result == 0) && tmp == 0) && !(0 == systemActive)) && tmp___0 == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 789]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 852]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 841]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) - InvariantResult [Line: 971]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == waterLevel - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((((tmp == 1 && \result == 0) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: ((((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 980]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && 1 <= \result) && 1 <= tmp) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) && 1 <= \result) && 1 <= tmp) || ((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || (((((\result == waterLevel && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel)) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0 && tmp == 1) && \result == waterLevel) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((tmp == 1 && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || ((((\result == waterLevel && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == waterLevel) - InvariantResult [Line: 770]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1588 SDtfs, 2569 SDslu, 2650 SDs, 0 SdLazy, 397 SolverSat, 82 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 196 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2299 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 200 NumberOfFragments, 708 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1647971 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 420463 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 662 NumberOfCodeBlocks, 662 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 52307 SizeOfPredicates, 3 NumberOfNonLiveVariables, 830 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 201/212 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...