./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD --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 fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:56:47,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:56:47,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:56:47,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:56:47,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:56:47,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:56:47,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:56:47,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:56:47,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:56:47,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:56:47,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:56:47,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:56:47,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:56:47,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:56:47,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:56:47,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:56:47,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:56:47,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:56:47,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:56:47,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:56:47,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:56:47,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:56:47,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:56:47,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:56:47,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:56:47,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:56:47,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:56:47,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:56:47,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:56:47,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:56:47,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:56:47,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:56:47,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:56:47,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:56:47,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:56:47,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:56:47,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:56:47,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:56:47,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:56:47,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:56:47,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:56:47,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:56:47,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:56:47,707 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:56:47,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:56:47,708 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:56:47,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:56:47,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:56:47,710 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:56:47,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:56:47,711 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:56:47,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:56:47,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:56:47,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:56:47,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:56:47,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:56:47,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:56:47,713 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:56:47,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:56:47,713 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:56:47,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:56:47,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:56:47,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:56:47,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:56:47,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:47,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:56:47,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:56:47,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:56:47,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:56:47,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:56:47,717 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:56:47,717 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:56:47,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:56:47,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:56:47,718 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_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa0eab3945757815cbe114f72b31b9c97b3f41e20a7d5f245c817ae82afdf9aa [2021-10-28 22:56:48,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:56:48,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:56:48,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:56:48,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:56:48,067 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:56:48,068 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-28 22:56:48,131 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/data/e36f22113/91fd2e3685af4603adf42d31952f8f44/FLAG023224860 [2021-10-28 22:56:48,728 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:56:48,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c [2021-10-28 22:56:48,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/data/e36f22113/91fd2e3685af4603adf42d31952f8f44/FLAG023224860 [2021-10-28 22:56:49,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/data/e36f22113/91fd2e3685af4603adf42d31952f8f44 [2021-10-28 22:56:49,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:56:49,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:56:49,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:49,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:56:49,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:56:49,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a59582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49, skipping insertion in model container [2021-10-28 22:56:49,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:56:49,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:56:49,447 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-28 22:56:49,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:49,532 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:56:49,618 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/sv-benchmarks/c/product-lines/minepump_spec2_product56.cil.c[11292,11305] [2021-10-28 22:56:49,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:56:49,687 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:56:49,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49 WrapperNode [2021-10-28 22:56:49,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:56:49,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:49,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:56:49,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:56:49,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:56:49,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:56:49,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:56:49,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:56:49,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:49,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:56:49,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:56:49,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:56:49,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:56:49,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (1/1) ... [2021-10-28 22:56:50,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:56:50,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:50,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:56:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:56:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:56:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:56:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:56:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:56:51,566 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:56:51,566 INFO L299 CfgBuilder]: Removed 284 assume(true) statements. [2021-10-28 22:56:51,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:51 BoogieIcfgContainer [2021-10-28 22:56:51,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:56:51,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:56:51,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:56:51,579 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:56:51,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:56:49" (1/3) ... [2021-10-28 22:56:51,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dbefb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:51, skipping insertion in model container [2021-10-28 22:56:51,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:56:49" (2/3) ... [2021-10-28 22:56:51,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59dbefb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:56:51, skipping insertion in model container [2021-10-28 22:56:51,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:51" (3/3) ... [2021-10-28 22:56:51,584 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product56.cil.c [2021-10-28 22:56:51,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:56:51,595 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 22:56:51,669 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:56:51,682 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:56:51,683 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 22:56:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 22:56:51,716 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:51,716 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:51,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:51,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:51,723 INFO L85 PathProgramCache]: Analyzing trace with hash -217592316, now seen corresponding path program 1 times [2021-10-28 22:56:51,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:51,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155167448] [2021-10-28 22:56:51,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:51,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155167448] [2021-10-28 22:56:52,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155167448] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:52,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853432376] [2021-10-28 22:56:52,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:56:52,054 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:56:52,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:56:52,084 INFO L87 Difference]: Start difference. First operand has 195 states, 191 states have (on average 1.5602094240837696) internal successors, (298), 194 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,159 INFO L93 Difference]: Finished difference Result 383 states and 588 transitions. [2021-10-28 22:56:52,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:56:52,161 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 22:56:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,183 INFO L225 Difference]: With dead ends: 383 [2021-10-28 22:56:52,183 INFO L226 Difference]: Without dead ends: 191 [2021-10-28 22:56:52,189 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:56:52,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-10-28 22:56:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2021-10-28 22:56:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 188 states have (on average 1.5212765957446808) internal successors, (286), 190 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 286 transitions. [2021-10-28 22:56:52,275 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 286 transitions. Word has length 18 [2021-10-28 22:56:52,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,276 INFO L470 AbstractCegarLoop]: Abstraction has 191 states and 286 transitions. [2021-10-28 22:56:52,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 286 transitions. [2021-10-28 22:56:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 22:56:52,280 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:56:52,281 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash -436428285, now seen corresponding path program 1 times [2021-10-28 22:56:52,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400441017] [2021-10-28 22:56:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,472 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,473 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400441017] [2021-10-28 22:56:52,473 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400441017] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,474 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:52,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870404757] [2021-10-28 22:56:52,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:52,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:52,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,482 INFO L87 Difference]: Start difference. First operand 191 states and 286 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,509 INFO L93 Difference]: Finished difference Result 191 states and 286 transitions. [2021-10-28 22:56:52,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:52,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 22:56:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,513 INFO L225 Difference]: With dead ends: 191 [2021-10-28 22:56:52,514 INFO L226 Difference]: Without dead ends: 75 [2021-10-28 22:56:52,517 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-28 22:56:52,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-28 22:56:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.5) internal successors, (111), 74 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 111 transitions. [2021-10-28 22:56:52,536 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 111 transitions. Word has length 19 [2021-10-28 22:56:52,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,537 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 111 transitions. [2021-10-28 22:56:52,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,537 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2021-10-28 22:56:52,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 22:56:52,543 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,544 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:56:52,544 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1212083136, now seen corresponding path program 1 times [2021-10-28 22:56:52,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129868277] [2021-10-28 22:56:52,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129868277] [2021-10-28 22:56:52,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129868277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:52,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788125072] [2021-10-28 22:56:52,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:52,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:52,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,685 INFO L87 Difference]: Start difference. First operand 75 states and 111 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,739 INFO L93 Difference]: Finished difference Result 211 states and 319 transitions. [2021-10-28 22:56:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:52,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 22:56:52,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,745 INFO L225 Difference]: With dead ends: 211 [2021-10-28 22:56:52,745 INFO L226 Difference]: Without dead ends: 143 [2021-10-28 22:56:52,746 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-10-28 22:56:52,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2021-10-28 22:56:52,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 138 states have (on average 1.5217391304347827) internal successors, (210), 138 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 210 transitions. [2021-10-28 22:56:52,760 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 210 transitions. Word has length 24 [2021-10-28 22:56:52,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,761 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 210 transitions. [2021-10-28 22:56:52,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 210 transitions. [2021-10-28 22:56:52,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:56:52,763 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,764 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,764 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 22:56:52,764 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,765 INFO L85 PathProgramCache]: Analyzing trace with hash 471692742, now seen corresponding path program 1 times [2021-10-28 22:56:52,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747982377] [2021-10-28 22:56:52,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:52,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:52,845 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747982377] [2021-10-28 22:56:52,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747982377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:52,846 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:52,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:52,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384860222] [2021-10-28 22:56:52,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:52,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:52,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:52,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,848 INFO L87 Difference]: Start difference. First operand 139 states and 210 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:52,911 INFO L93 Difference]: Finished difference Result 290 states and 443 transitions. [2021-10-28 22:56:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:52,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 22:56:52,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:52,914 INFO L225 Difference]: With dead ends: 290 [2021-10-28 22:56:52,914 INFO L226 Difference]: Without dead ends: 158 [2021-10-28 22:56:52,917 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:52,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-28 22:56:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2021-10-28 22:56:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.4709677419354839) internal successors, (228), 155 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 228 transitions. [2021-10-28 22:56:52,947 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 228 transitions. Word has length 27 [2021-10-28 22:56:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:52,948 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 228 transitions. [2021-10-28 22:56:52,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2021-10-28 22:56:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 22:56:52,950 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:52,951 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:52,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 22:56:52,952 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash -624194039, now seen corresponding path program 1 times [2021-10-28 22:56:52,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:52,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206449102] [2021-10-28 22:56:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:52,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,067 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206449102] [2021-10-28 22:56:53,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206449102] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:53,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390865983] [2021-10-28 22:56:53,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:53,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:53,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:53,071 INFO L87 Difference]: Start difference. First operand 156 states and 228 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,225 INFO L93 Difference]: Finished difference Result 772 states and 1137 transitions. [2021-10-28 22:56:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 22:56:53,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 22:56:53,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,231 INFO L225 Difference]: With dead ends: 772 [2021-10-28 22:56:53,231 INFO L226 Difference]: Without dead ends: 623 [2021-10-28 22:56:53,233 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:53,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-10-28 22:56:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 291. [2021-10-28 22:56:53,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4482758620689655) internal successors, (420), 290 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 420 transitions. [2021-10-28 22:56:53,277 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 420 transitions. Word has length 27 [2021-10-28 22:56:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,278 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 420 transitions. [2021-10-28 22:56:53,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 420 transitions. [2021-10-28 22:56:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 22:56:53,285 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,286 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,286 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 22:56:53,286 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,287 INFO L85 PathProgramCache]: Analyzing trace with hash -2058339199, now seen corresponding path program 1 times [2021-10-28 22:56:53,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356431195] [2021-10-28 22:56:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356431195] [2021-10-28 22:56:53,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356431195] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:53,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742487815] [2021-10-28 22:56:53,438 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:53,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:53,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:53,441 INFO L87 Difference]: Start difference. First operand 291 states and 420 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,648 INFO L93 Difference]: Finished difference Result 1117 states and 1615 transitions. [2021-10-28 22:56:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 22:56:53,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-10-28 22:56:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,666 INFO L225 Difference]: With dead ends: 1117 [2021-10-28 22:56:53,666 INFO L226 Difference]: Without dead ends: 833 [2021-10-28 22:56:53,667 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 22:56:53,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2021-10-28 22:56:53,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 289. [2021-10-28 22:56:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 288 states have (on average 1.4375) internal successors, (414), 288 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 414 transitions. [2021-10-28 22:56:53,705 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 414 transitions. Word has length 28 [2021-10-28 22:56:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:53,705 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 414 transitions. [2021-10-28 22:56:53,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 414 transitions. [2021-10-28 22:56:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:53,712 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:53,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:53,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 22:56:53,713 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:53,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash 952156187, now seen corresponding path program 1 times [2021-10-28 22:56:53,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:53,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401405950] [2021-10-28 22:56:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:53,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:53,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:53,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401405950] [2021-10-28 22:56:53,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401405950] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:53,823 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:53,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 22:56:53,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125534707] [2021-10-28 22:56:53,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 22:56:53,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:53,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 22:56:53,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:53,825 INFO L87 Difference]: Start difference. First operand 289 states and 414 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:53,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:53,972 INFO L93 Difference]: Finished difference Result 771 states and 1085 transitions. [2021-10-28 22:56:53,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 22:56:53,973 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:53,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:53,978 INFO L225 Difference]: With dead ends: 771 [2021-10-28 22:56:53,979 INFO L226 Difference]: Without dead ends: 489 [2021-10-28 22:56:53,981 INFO L786 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 [2021-10-28 22:56:53,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2021-10-28 22:56:54,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 325. [2021-10-28 22:56:54,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 324 states have (on average 1.3888888888888888) internal successors, (450), 324 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 450 transitions. [2021-10-28 22:56:54,020 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 450 transitions. Word has length 34 [2021-10-28 22:56:54,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:54,022 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 450 transitions. [2021-10-28 22:56:54,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,022 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 450 transitions. [2021-10-28 22:56:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:54,023 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:54,024 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:54,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 22:56:54,024 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:54,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:54,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1653220765, now seen corresponding path program 1 times [2021-10-28 22:56:54,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:54,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751056714] [2021-10-28 22:56:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:54,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:54,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751056714] [2021-10-28 22:56:54,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751056714] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:54,112 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:54,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 22:56:54,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866262380] [2021-10-28 22:56:54,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 22:56:54,113 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:54,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 22:56:54,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 22:56:54,114 INFO L87 Difference]: Start difference. First operand 325 states and 450 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:54,212 INFO L93 Difference]: Finished difference Result 787 states and 1075 transitions. [2021-10-28 22:56:54,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 22:56:54,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:54,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:54,217 INFO L225 Difference]: With dead ends: 787 [2021-10-28 22:56:54,217 INFO L226 Difference]: Without dead ends: 469 [2021-10-28 22:56:54,218 INFO L786 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 [2021-10-28 22:56:54,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2021-10-28 22:56:54,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 349. [2021-10-28 22:56:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 348 states have (on average 1.3620689655172413) internal successors, (474), 348 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 474 transitions. [2021-10-28 22:56:54,263 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 474 transitions. Word has length 34 [2021-10-28 22:56:54,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:54,264 INFO L470 AbstractCegarLoop]: Abstraction has 349 states and 474 transitions. [2021-10-28 22:56:54,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 474 transitions. [2021-10-28 22:56:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 22:56:54,266 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:54,266 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:54,266 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 22:56:54,267 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:54,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:54,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1066414751, now seen corresponding path program 1 times [2021-10-28 22:56:54,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:54,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255019011] [2021-10-28 22:56:54,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:54,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:54,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255019011] [2021-10-28 22:56:54,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255019011] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:54,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:54,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:56:54,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316412455] [2021-10-28 22:56:54,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:54,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:54,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:54,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:54,352 INFO L87 Difference]: Start difference. First operand 349 states and 474 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:54,432 INFO L93 Difference]: Finished difference Result 799 states and 1079 transitions. [2021-10-28 22:56:54,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:54,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 22:56:54,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:54,436 INFO L225 Difference]: With dead ends: 799 [2021-10-28 22:56:54,436 INFO L226 Difference]: Without dead ends: 457 [2021-10-28 22:56:54,437 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:54,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2021-10-28 22:56:54,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2021-10-28 22:56:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 456 states have (on average 1.3245614035087718) internal successors, (604), 456 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 604 transitions. [2021-10-28 22:56:54,491 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 604 transitions. Word has length 34 [2021-10-28 22:56:54,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:54,494 INFO L470 AbstractCegarLoop]: Abstraction has 457 states and 604 transitions. [2021-10-28 22:56:54,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,494 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 604 transitions. [2021-10-28 22:56:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 22:56:54,496 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:54,497 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:54,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 22:56:54,497 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:54,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:54,498 INFO L85 PathProgramCache]: Analyzing trace with hash -329531425, now seen corresponding path program 1 times [2021-10-28 22:56:54,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:54,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263756232] [2021-10-28 22:56:54,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:54,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:54,583 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263756232] [2021-10-28 22:56:54,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263756232] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:54,583 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:54,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:54,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599840489] [2021-10-28 22:56:54,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:54,586 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:54,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:54,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:54,587 INFO L87 Difference]: Start difference. First operand 457 states and 604 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:54,676 INFO L93 Difference]: Finished difference Result 735 states and 979 transitions. [2021-10-28 22:56:54,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:54,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 22:56:54,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:54,682 INFO L225 Difference]: With dead ends: 735 [2021-10-28 22:56:54,683 INFO L226 Difference]: Without dead ends: 733 [2021-10-28 22:56:54,683 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:54,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-10-28 22:56:54,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 568. [2021-10-28 22:56:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 567 states have (on average 1.3544973544973544) internal successors, (768), 567 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 768 transitions. [2021-10-28 22:56:54,762 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 768 transitions. Word has length 35 [2021-10-28 22:56:54,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:54,762 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 768 transitions. [2021-10-28 22:56:54,763 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 768 transitions. [2021-10-28 22:56:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 22:56:54,765 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:54,765 INFO L513 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, 1, 1, 1] [2021-10-28 22:56:54,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 22:56:54,766 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:54,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:54,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1562480419, now seen corresponding path program 1 times [2021-10-28 22:56:54,767 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:54,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430090453] [2021-10-28 22:56:54,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:54,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:54,837 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 22:56:54,838 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:54,838 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430090453] [2021-10-28 22:56:54,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430090453] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:54,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:54,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 22:56:54,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052960059] [2021-10-28 22:56:54,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:54,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:54,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:54,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:54,840 INFO L87 Difference]: Start difference. First operand 568 states and 768 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:55,075 INFO L93 Difference]: Finished difference Result 933 states and 1257 transitions. [2021-10-28 22:56:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:55,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 22:56:55,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:55,080 INFO L225 Difference]: With dead ends: 933 [2021-10-28 22:56:55,080 INFO L226 Difference]: Without dead ends: 372 [2021-10-28 22:56:55,082 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 22:56:55,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-28 22:56:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 360. [2021-10-28 22:56:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.3314763231197773) internal successors, (478), 359 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 478 transitions. [2021-10-28 22:56:55,119 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 478 transitions. Word has length 56 [2021-10-28 22:56:55,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:55,119 INFO L470 AbstractCegarLoop]: Abstraction has 360 states and 478 transitions. [2021-10-28 22:56:55,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 478 transitions. [2021-10-28 22:56:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-28 22:56:55,121 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:55,121 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2021-10-28 22:56:55,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 22:56:55,122 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:55,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:55,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1979064958, now seen corresponding path program 1 times [2021-10-28 22:56:55,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:55,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788626033] [2021-10-28 22:56:55,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:55,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:55,207 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:55,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:55,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788626033] [2021-10-28 22:56:55,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788626033] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 22:56:55,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55605108] [2021-10-28 22:56:55,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:55,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:55,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:56:55,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 22:56:55,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 22:56:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:55,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 22:56:55,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:56:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:56:55,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55605108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:55,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 22:56:55,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-28 22:56:55,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473223363] [2021-10-28 22:56:55,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 22:56:55,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:55,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 22:56:55,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:55,714 INFO L87 Difference]: Start difference. First operand 360 states and 478 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:55,900 INFO L93 Difference]: Finished difference Result 554 states and 749 transitions. [2021-10-28 22:56:55,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 22:56:55,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-10-28 22:56:55,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:55,905 INFO L225 Difference]: With dead ends: 554 [2021-10-28 22:56:55,905 INFO L226 Difference]: Without dead ends: 291 [2021-10-28 22:56:55,906 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 22:56:55,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2021-10-28 22:56:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2021-10-28 22:56:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.289655172413793) internal successors, (374), 290 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 374 transitions. [2021-10-28 22:56:55,937 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 374 transitions. Word has length 60 [2021-10-28 22:56:55,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:55,938 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 374 transitions. [2021-10-28 22:56:55,938 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 374 transitions. [2021-10-28 22:56:55,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-28 22:56:55,940 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:56:55,940 INFO L513 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:56:55,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-10-28 22:56:56,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 22:56:56,148 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:56:56,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:56:56,148 INFO L85 PathProgramCache]: Analyzing trace with hash 751274022, now seen corresponding path program 1 times [2021-10-28 22:56:56,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:56:56,148 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367077299] [2021-10-28 22:56:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:56:56,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:56:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:56:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 22:56:56,248 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:56:56,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367077299] [2021-10-28 22:56:56,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367077299] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:56:56,249 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:56:56,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 22:56:56,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611675467] [2021-10-28 22:56:56,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 22:56:56,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:56:56,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 22:56:56,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 22:56:56,251 INFO L87 Difference]: Start difference. First operand 291 states and 374 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:56:56,595 INFO L93 Difference]: Finished difference Result 984 states and 1269 transitions. [2021-10-28 22:56:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 22:56:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-10-28 22:56:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:56:56,597 INFO L225 Difference]: With dead ends: 984 [2021-10-28 22:56:56,597 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 22:56:56,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-10-28 22:56:56,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 22:56:56,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 22:56:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 22:56:56,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-28 22:56:56,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:56:56,599 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 22:56:56,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 22:56:56,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 22:56:56,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 22:56:56,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:56,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:56,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:56:56,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 22:56:56,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 22:56:56,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:56,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,135 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,141 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,409 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,411 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,597 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,602 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,937 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:57,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:56:58,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 22:57:03,008 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531(lines 526 534) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531-1(lines 526 534) the Hoare annotation is: false [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531-2(lines 526 534) the Hoare annotation is: false [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531-3(lines 526 534) the Hoare annotation is: false [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531-4(lines 526 534) the Hoare annotation is: false [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L531-5(lines 526 534) the Hoare annotation is: false [2021-10-28 22:57:03,009 INFO L860 garLoopResultBuilder]: At program point L1028(lines 1009 1031) the Hoare annotation is: true [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L995(lines 991 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L931(lines 926 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:03,009 INFO L853 garLoopResultBuilder]: At program point L800(lines 785 803) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-10-28 22:57:03,010 INFO L853 garLoopResultBuilder]: At program point L800-1(lines 785 803) the Hoare annotation is: false [2021-10-28 22:57:03,010 INFO L853 garLoopResultBuilder]: At program point L800-2(lines 785 803) the Hoare annotation is: false [2021-10-28 22:57:03,010 INFO L853 garLoopResultBuilder]: At program point L800-3(lines 785 803) the Hoare annotation is: false [2021-10-28 22:57:03,010 INFO L853 garLoopResultBuilder]: At program point L800-4(lines 785 803) the Hoare annotation is: false [2021-10-28 22:57:03,010 INFO L853 garLoopResultBuilder]: At program point L800-5(lines 785 803) the Hoare annotation is: false [2021-10-28 22:57:03,010 INFO L857 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L439-3(lines 439 443) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L439-6(lines 439 443) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L673(lines 673 690) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L673-1(lines 673 690) no Hoare annotation was computed. [2021-10-28 22:57:03,011 INFO L857 garLoopResultBuilder]: For program point L673-2(lines 673 690) no Hoare annotation was computed. [2021-10-28 22:57:03,012 INFO L853 garLoopResultBuilder]: At program point L476(lines 471 479) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-28 22:57:03,012 INFO L853 garLoopResultBuilder]: At program point L476-1(lines 471 479) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse6) (and .cse8 .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse5 .cse7) (and .cse8 .cse0 .cse2 .cse3 .cse4))) [2021-10-28 22:57:03,012 INFO L853 garLoopResultBuilder]: At program point L476-2(lines 471 479) the Hoare annotation is: false [2021-10-28 22:57:03,012 INFO L853 garLoopResultBuilder]: At program point L476-3(lines 471 479) the Hoare annotation is: false [2021-10-28 22:57:03,012 INFO L853 garLoopResultBuilder]: At program point L476-4(lines 471 479) the Hoare annotation is: false [2021-10-28 22:57:03,013 INFO L853 garLoopResultBuilder]: At program point L476-5(lines 471 479) the Hoare annotation is: false [2021-10-28 22:57:03,013 INFO L857 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2021-10-28 22:57:03,013 INFO L853 garLoopResultBuilder]: At program point L543(lines 538 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:03,013 INFO L857 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2021-10-28 22:57:03,013 INFO L857 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-10-28 22:57:03,013 INFO L853 garLoopResultBuilder]: At program point L808-1(lines 808 814) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1)))) [2021-10-28 22:57:03,014 INFO L857 garLoopResultBuilder]: For program point L775(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,014 INFO L857 garLoopResultBuilder]: For program point L775-2(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,014 INFO L857 garLoopResultBuilder]: For program point L775-3(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,014 INFO L857 garLoopResultBuilder]: For program point L775-5(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,014 INFO L857 garLoopResultBuilder]: For program point L775-6(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-8(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-9(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-11(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-12(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-14(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,015 INFO L857 garLoopResultBuilder]: For program point L775-15(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-17(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-18(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-20(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-21(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-23(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,016 INFO L857 garLoopResultBuilder]: For program point L775-24(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-26(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-27(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-29(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-30(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-32(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L775-33(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,017 INFO L857 garLoopResultBuilder]: For program point L677(lines 677 685) no Hoare annotation was computed. [2021-10-28 22:57:03,018 INFO L857 garLoopResultBuilder]: For program point L677-1(lines 677 685) no Hoare annotation was computed. [2021-10-28 22:57:03,018 INFO L857 garLoopResultBuilder]: For program point L775-35(lines 775 779) no Hoare annotation was computed. [2021-10-28 22:57:03,018 INFO L857 garLoopResultBuilder]: For program point L677-2(lines 677 685) no Hoare annotation was computed. [2021-10-28 22:57:03,018 INFO L857 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2021-10-28 22:57:03,018 INFO L853 garLoopResultBuilder]: At program point L877-1(lines 589 595) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 .cse2 .cse4 .cse5) (and .cse7 .cse0 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse6) (and .cse7 .cse0 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse4 .cse5))) [2021-10-28 22:57:03,018 INFO L857 garLoopResultBuilder]: For program point L647(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L647-1(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L647-2(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L647-3(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L647-4(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L647-5(lines 647 664) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L516(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,019 INFO L857 garLoopResultBuilder]: For program point L516-1(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-2(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-3(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-4(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-5(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-6(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-7(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-8(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-9(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-10(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L857 garLoopResultBuilder]: For program point L516-11(lines 516 522) no Hoare annotation was computed. [2021-10-28 22:57:03,020 INFO L853 garLoopResultBuilder]: At program point L781(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,020 INFO L853 garLoopResultBuilder]: At program point L781-1(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,021 INFO L853 garLoopResultBuilder]: At program point L781-2(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,021 INFO L853 garLoopResultBuilder]: At program point L781-3(lines 766 784) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3))) [2021-10-28 22:57:03,021 INFO L853 garLoopResultBuilder]: At program point L781-4(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,021 INFO L853 garLoopResultBuilder]: At program point L781-5(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,021 INFO L853 garLoopResultBuilder]: At program point L781-6(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,022 INFO L853 garLoopResultBuilder]: At program point L781-7(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,022 INFO L853 garLoopResultBuilder]: At program point L781-8(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,022 INFO L853 garLoopResultBuilder]: At program point L781-9(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,022 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 455) no Hoare annotation was computed. [2021-10-28 22:57:03,022 INFO L853 garLoopResultBuilder]: At program point L781-10(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,022 INFO L853 garLoopResultBuilder]: At program point L781-11(lines 766 784) the Hoare annotation is: false [2021-10-28 22:57:03,023 INFO L853 garLoopResultBuilder]: At program point L947-2(lines 947 961) the Hoare annotation is: false [2021-10-28 22:57:03,023 INFO L857 garLoopResultBuilder]: For program point L948(line 948) no Hoare annotation was computed. [2021-10-28 22:57:03,023 INFO L857 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2021-10-28 22:57:03,023 INFO L853 garLoopResultBuilder]: At program point L849-1(lines 849 855) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse10 (= 0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse8 .cse0 .cse1 .cse2 .cse9 .cse3 .cse10) (and .cse7 .cse8 .cse0 .cse2 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse10 .cse6))) [2021-10-28 22:57:03,023 INFO L853 garLoopResultBuilder]: At program point L717(lines 710 720) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 1) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2))) [2021-10-28 22:57:03,023 INFO L853 garLoopResultBuilder]: At program point L717-1(lines 710 720) the Hoare annotation is: false [2021-10-28 22:57:03,023 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,023 INFO L853 garLoopResultBuilder]: At program point L717-2(lines 710 720) the Hoare annotation is: false [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L651-1(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L651-2(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L651-3(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L651-4(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L651-5(lines 651 659) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,024 INFO L857 garLoopResultBuilder]: For program point L420-1(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,025 INFO L857 garLoopResultBuilder]: For program point L420-2(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,025 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 22:57:03,025 INFO L857 garLoopResultBuilder]: For program point L554(lines 554 571) no Hoare annotation was computed. [2021-10-28 22:57:03,025 INFO L853 garLoopResultBuilder]: At program point L521(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,025 INFO L853 garLoopResultBuilder]: At program point L554-1(lines 1 1031) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~3 0)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse10 (= 0 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse8 .cse0 .cse1 .cse2 .cse9 .cse3 .cse10) (and .cse7 .cse8 .cse0 .cse2 .cse9 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse10 .cse6))) [2021-10-28 22:57:03,025 INFO L853 garLoopResultBuilder]: At program point L521-1(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,026 INFO L857 garLoopResultBuilder]: For program point L554-2(lines 554 571) no Hoare annotation was computed. [2021-10-28 22:57:03,026 INFO L853 garLoopResultBuilder]: At program point L521-2(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,026 INFO L853 garLoopResultBuilder]: At program point L554-3(lines 1 1031) the Hoare annotation is: false [2021-10-28 22:57:03,026 INFO L853 garLoopResultBuilder]: At program point L521-3(lines 512 525) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3) (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3))) [2021-10-28 22:57:03,026 INFO L857 garLoopResultBuilder]: For program point L554-4(lines 554 571) no Hoare annotation was computed. [2021-10-28 22:57:03,026 INFO L853 garLoopResultBuilder]: At program point L521-4(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L554-5(lines 1 1031) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-5(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-6(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-7(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-8(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-9(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-10(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,027 INFO L853 garLoopResultBuilder]: At program point L521-11(lines 512 525) the Hoare annotation is: false [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L951(lines 951 955) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L951-1(lines 589 595) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-1(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-2(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-3(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-4(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-5(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-6(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-7(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-8(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-9(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-10(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,028 INFO L857 garLoopResultBuilder]: For program point L621-11(lines 621 638) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L853 garLoopResultBuilder]: At program point L589(lines 588 607) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse5 .cse6 .cse2) (and .cse4 .cse0 .cse7 .cse6) (and .cse0 .cse1 .cse7 .cse3) (and .cse4 .cse0 .cse6 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse7 .cse6) (and .cse0 .cse1 .cse5 .cse6 .cse2))) [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L589-1(lines 589 595) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L853 garLoopResultBuilder]: At program point L589-2(lines 588 607) the Hoare annotation is: false [2021-10-28 22:57:03,029 INFO L853 garLoopResultBuilder]: At program point L589-3(lines 588 607) the Hoare annotation is: false [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L860 garLoopResultBuilder]: At program point L1019-1(lines 1019 1026) the Hoare annotation is: true [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 568) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L558-4(lines 558 568) no Hoare annotation was computed. [2021-10-28 22:57:03,029 INFO L853 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2021-10-28 22:57:03,029 INFO L857 garLoopResultBuilder]: For program point L625(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-1(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-2(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L559(lines 559 565) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-3(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-4(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L559-2(lines 559 565) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-5(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-6(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L559-4(lines 559 565) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-7(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-8(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-9(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-10(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,030 INFO L857 garLoopResultBuilder]: For program point L625-11(lines 625 633) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L853 garLoopResultBuilder]: At program point L923(lines 1 1031) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L853 garLoopResultBuilder]: At program point L726(lines 721 729) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0) .cse5) (and (<= 1 ~pumpRunning~0) .cse0 (= ~methAndRunningLastTime~0 0) .cse3 .cse4 .cse5))) [2021-10-28 22:57:03,031 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 721 729) the Hoare annotation is: false [2021-10-28 22:57:03,031 INFO L853 garLoopResultBuilder]: At program point L726-2(lines 721 729) the Hoare annotation is: false [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L853 garLoopResultBuilder]: At program point L859-1(lines 859 865) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse7) (and .cse6 .cse0 .cse3 .cse4) (and .cse6 .cse0 .cse4 .cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (and .cse0 .cse1 .cse2 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse7))) [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,031 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-5(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L853 garLoopResultBuilder]: At program point L596(lines 596 602) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (= ~methAndRunningLastTime~0 0) .cse5 .cse2) (and .cse4 .cse0 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse3) (and .cse0 .cse1 .cse6 .cse5) (and .cse0 .cse1 .cse5 .cse2))) [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L853 garLoopResultBuilder]: At program point L596-1(lines 596 602) the Hoare annotation is: false [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-8(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L853 garLoopResultBuilder]: At program point L596-2(lines 596 602) the Hoare annotation is: false [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-9(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,032 INFO L857 garLoopResultBuilder]: For program point L794-11(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,033 INFO L857 garLoopResultBuilder]: For program point L794-12(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,033 INFO L857 garLoopResultBuilder]: For program point L794-14(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,033 INFO L857 garLoopResultBuilder]: For program point L794-15(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,033 INFO L857 garLoopResultBuilder]: For program point L794-17(lines 794 798) no Hoare annotation was computed. [2021-10-28 22:57:03,037 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:57:03,038 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:57:03,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:57:03 BoogieIcfgContainer [2021-10-28 22:57:03,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:57:03,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:57:03,086 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:57:03,087 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:57:03,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:56:51" (3/4) ... [2021-10-28 22:57:03,091 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 22:57:03,127 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 22:57:03,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 22:57:03,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 22:57:03,135 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 22:57:03,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 22:57:03,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:03,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 22:57:03,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((((1 <= pumpRunning && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-10-28 22:57:03,175 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((((1 <= pumpRunning && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) [2021-10-28 22:57:03,176 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 22:57:03,177 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 22:57:03,177 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 22:57:03,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:03,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:03,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) [2021-10-28 22:57:03,183 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) [2021-10-28 22:57:03,184 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 22:57:03,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) [2021-10-28 22:57:03,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 22:57:03,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive [2021-10-28 22:57:03,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:57:03,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:57:03,312 INFO L168 Benchmark]: Toolchain (without parser) took 14297.36 ms. Allocated memory was 92.3 MB in the beginning and 180.4 MB in the end (delta: 88.1 MB). Free memory was 54.8 MB in the beginning and 136.0 MB in the end (delta: -81.2 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,312 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:57:03,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.10 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 90.9 MB in the end (delta: -36.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 156.09 ms. Allocated memory is still 123.7 MB. Free memory was 90.9 MB in the beginning and 86.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,314 INFO L168 Benchmark]: Boogie Preprocessor took 124.90 ms. Allocated memory is still 123.7 MB. Free memory was 86.1 MB in the beginning and 82.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,315 INFO L168 Benchmark]: RCFGBuilder took 1597.16 ms. Allocated memory is still 123.7 MB. Free memory was 82.8 MB in the beginning and 81.8 MB in the end (delta: 968.4 kB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,315 INFO L168 Benchmark]: TraceAbstraction took 11511.30 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 81.0 MB in the beginning and 151.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,316 INFO L168 Benchmark]: Witness Printer took 222.46 ms. Allocated memory is still 180.4 MB. Free memory was 151.7 MB in the beginning and 136.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 22:57:03,319 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory is still 72.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 675.10 ms. Allocated memory was 92.3 MB in the beginning and 123.7 MB in the end (delta: 31.5 MB). Free memory was 54.6 MB in the beginning and 90.9 MB in the end (delta: -36.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 156.09 ms. Allocated memory is still 123.7 MB. Free memory was 90.9 MB in the beginning and 86.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.90 ms. Allocated memory is still 123.7 MB. Free memory was 86.1 MB in the beginning and 82.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1597.16 ms. Allocated memory is still 123.7 MB. Free memory was 82.8 MB in the beginning and 81.8 MB in the end (delta: 968.4 kB). Peak memory consumption was 44.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11511.30 ms. Allocated memory was 123.7 MB in the beginning and 180.4 MB in the end (delta: 56.6 MB). Free memory was 81.0 MB in the beginning and 151.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 91.8 MB. Max. memory is 16.1 GB. * Witness Printer took 222.46 ms. Allocated memory is still 180.4 MB. Free memory was 151.7 MB in the beginning and 136.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 420]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 195 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1678 SDtfs, 1593 SDslu, 2222 SDs, 0 SdLazy, 287 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=568occurred in iteration=10, InterpolantAutomatonStates: 63, 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, 1343 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 69 PreInvPairs, 367 NumberOfFragments, 1116 HoareAnnotationTreeSize, 69 FomulaSimplifications, 278978 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 49336 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 519 NumberOfCodeBlocks, 519 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 505 ConstructedInterpolants, 0 QuantifiedInterpolants, 898 SizeOfPredicates, 0 NumberOfNonLiveVariables, 452 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 83/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((((1 <= pumpRunning && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && 1 <= \result) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 947]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) || ((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 991]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((((tmp == 0 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((((1 <= pumpRunning && tmp == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive) && \result == 1) - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1) || ((((1 <= pumpRunning && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 512]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && methaneLevelCritical == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 1019]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || (((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 0 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1)) || (((1 <= pumpRunning && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive)) || ((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && \result == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && 0 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && methaneLevelCritical == 1) RESULT: Ultimate proved your program to be correct! [2021-10-28 22:57:03,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_084e8e6a-1045-48ee-a060-d3bfc870d221/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...