./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G --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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:53:28,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:53:28,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:53:28,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:53:28,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:53:28,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:53:28,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:53:28,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:53:28,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:53:28,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:53:28,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:53:28,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:53:28,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:53:28,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:53:28,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:53:28,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:53:28,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:53:28,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:53:28,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:53:28,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:53:28,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:53:28,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:53:28,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:53:28,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:53:28,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:53:28,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:53:28,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:53:28,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:53:28,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:53:28,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:53:28,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:53:28,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:53:28,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:53:28,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:53:28,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:53:28,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:53:28,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:53:28,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:53:28,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:53:28,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:53:28,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:53:28,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:53:28,637 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:53:28,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:53:28,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:53:28,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:53:28,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:53:28,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:53:28,641 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:53:28,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:53:28,642 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:53:28,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:53:28,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:53:28,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:53:28,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:53:28,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:53:28,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:53:28,644 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:53:28,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:53:28,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:53:28,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:53:28,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:53:28,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:53:28,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:53:28,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:53:28,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:53:28,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:53:28,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:53:28,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:53:28,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:53:28,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:53:28,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:53:28,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:53:28,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:53:28,651 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_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2021-11-23 13:53:28,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:53:28,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:53:28,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:53:28,929 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:53:28,929 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:53:28,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-11-23 13:53:29,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/data/df891c040/3105b9e27135432887b4f974af7063b2/FLAG2a8bf2725 [2021-11-23 13:53:29,530 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:53:29,531 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2021-11-23 13:53:29,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/data/df891c040/3105b9e27135432887b4f974af7063b2/FLAG2a8bf2725 [2021-11-23 13:53:29,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/data/df891c040/3105b9e27135432887b4f974af7063b2 [2021-11-23 13:53:29,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:53:29,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:53:29,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:53:29,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:53:29,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:53:29,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:29" (1/1) ... [2021-11-23 13:53:29,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14731a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:29, skipping insertion in model container [2021-11-23 13:53:29,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:29" (1/1) ... [2021-11-23 13:53:29,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:53:29,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:53:30,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-11-23 13:53:30,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:53:30,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:53:30,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2021-11-23 13:53:30,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:53:30,372 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:53:30,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30 WrapperNode [2021-11-23 13:53:30,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:53:30,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:53:30,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:53:30,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:53:30,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,467 INFO L137 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 383 [2021-11-23 13:53:30,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:53:30,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:53:30,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:53:30,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:53:30,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:53:30,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:53:30,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:53:30,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:53:30,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (1/1) ... [2021-11-23 13:53:30,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:53:30,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:53:30,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:53:30,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:53:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:53:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:53:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:53:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:53:30,751 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:53:30,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:53:31,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:53:31,138 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:53:31,138 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 13:53:31,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:31 BoogieIcfgContainer [2021-11-23 13:53:31,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:53:31,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:53:31,143 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:53:31,159 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:53:31,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:29" (1/3) ... [2021-11-23 13:53:31,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619adc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:31, skipping insertion in model container [2021-11-23 13:53:31,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:30" (2/3) ... [2021-11-23 13:53:31,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@619adc90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:31, skipping insertion in model container [2021-11-23 13:53:31,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:31" (3/3) ... [2021-11-23 13:53:31,162 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2021-11-23 13:53:31,168 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:53:31,168 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 13:53:31,236 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:53:31,244 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 [2021-11-23 13:53:31,245 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 13:53:31,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 102 states have internal predecessors, (137), 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) [2021-11-23 13:53:31,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 13:53:31,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:53:31,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:53:31,283 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:53:31,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:53:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1243041938, now seen corresponding path program 1 times [2021-11-23 13:53:31,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:53:31,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72459155] [2021-11-23 13:53:31,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:53:31,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:53:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:53:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:53:31,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:53:31,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72459155] [2021-11-23 13:53:31,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72459155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:53:31,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:53:31,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:53:31,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718449449] [2021-11-23 13:53:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:53:31,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 13:53:31,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:53:31,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 13:53:31,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 13:53:31,626 INFO L87 Difference]: Start difference. First operand has 103 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 102 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:53:31,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:53:31,703 INFO L93 Difference]: Finished difference Result 196 states and 263 transitions. [2021-11-23 13:53:31,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 13:53:31,706 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-23 13:53:31,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:53:31,719 INFO L225 Difference]: With dead ends: 196 [2021-11-23 13:53:31,720 INFO L226 Difference]: Without dead ends: 93 [2021-11-23 13:53:31,723 INFO L932 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 [2021-11-23 13:53:31,731 INFO L933 BasicCegarLoop]: 127 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:53:31,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:53:31,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-11-23 13:53:31,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-11-23 13:53:31,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 90 states have (on average 1.3222222222222222) internal successors, (119), 92 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:53:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 119 transitions. [2021-11-23 13:53:31,774 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 119 transitions. Word has length 17 [2021-11-23 13:53:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:53:31,775 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 119 transitions. [2021-11-23 13:53:31,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:53:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2021-11-23 13:53:31,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 13:53:31,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:53:31,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:53:31,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:53:31,778 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:53:31,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:53:31,779 INFO L85 PathProgramCache]: Analyzing trace with hash -396632138, now seen corresponding path program 1 times [2021-11-23 13:53:31,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:53:31,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64912971] [2021-11-23 13:53:31,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:53:31,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:53:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:53:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:53:31,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:53:31,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64912971] [2021-11-23 13:53:31,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64912971] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:53:31,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:53:31,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:53:31,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348016825] [2021-11-23 13:53:31,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:53:31,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:53:31,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:53:31,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:53:31,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:53:31,868 INFO L87 Difference]: Start difference. First operand 93 states and 119 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-23 13:53:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:53:31,881 INFO L93 Difference]: Finished difference Result 93 states and 119 transitions. [2021-11-23 13:53:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:53:31,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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 [2021-11-23 13:53:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:53:31,884 INFO L225 Difference]: With dead ends: 93 [2021-11-23 13:53:31,884 INFO L226 Difference]: Without dead ends: 46 [2021-11-23 13:53:31,885 INFO L932 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 [2021-11-23 13:53:31,887 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 51 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:53:31,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:53:31,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-23 13:53:31,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-11-23 13:53:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 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) [2021-11-23 13:53:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2021-11-23 13:53:31,897 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 18 [2021-11-23 13:53:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:53:31,897 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2021-11-23 13:53:31,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-11-23 13:53:31,898 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-23 13:53:31,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 13:53:31,899 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:53:31,900 INFO L514 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] [2021-11-23 13:53:31,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:53:31,900 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:53:31,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:53:31,901 INFO L85 PathProgramCache]: Analyzing trace with hash 2099482193, now seen corresponding path program 1 times [2021-11-23 13:53:31,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:53:31,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831342254] [2021-11-23 13:53:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:53:31,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:53:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:53:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:53:31,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:53:31,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831342254] [2021-11-23 13:53:31,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831342254] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:53:31,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:53:31,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 13:53:31,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119434165] [2021-11-23 13:53:31,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:53:31,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 13:53:31,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:53:31,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 13:53:31,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-23 13:53:31,999 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-11-23 13:53:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:53:32,143 INFO L93 Difference]: Finished difference Result 153 states and 203 transitions. [2021-11-23 13:53:32,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 13:53:32,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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 [2021-11-23 13:53:32,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:53:32,150 INFO L225 Difference]: With dead ends: 153 [2021-11-23 13:53:32,151 INFO L226 Difference]: Without dead ends: 114 [2021-11-23 13:53:32,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 13:53:32,153 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 196 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:53:32,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 360 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:53:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-23 13:53:32,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 71. [2021-11-23 13:53:32,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 70 states have internal predecessors, (94), 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) [2021-11-23 13:53:32,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 94 transitions. [2021-11-23 13:53:32,183 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 94 transitions. Word has length 24 [2021-11-23 13:53:32,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:53:32,183 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 94 transitions. [2021-11-23 13:53:32,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 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) [2021-11-23 13:53:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2021-11-23 13:53:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 13:53:32,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:53:32,186 INFO L514 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] [2021-11-23 13:53:32,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:53:32,186 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:53:32,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:53:32,187 INFO L85 PathProgramCache]: Analyzing trace with hash -144004145, now seen corresponding path program 1 times [2021-11-23 13:53:32,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:53:32,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083845585] [2021-11-23 13:53:32,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:53:32,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:53:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:53:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:53:32,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:53:32,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083845585] [2021-11-23 13:53:32,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083845585] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:53:32,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:53:32,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:53:32,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070466129] [2021-11-23 13:53:32,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:53:32,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:53:32,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:53:32,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:53:32,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:53:32,270 INFO L87 Difference]: Start difference. First operand 71 states and 94 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) [2021-11-23 13:53:32,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:53:32,394 INFO L93 Difference]: Finished difference Result 342 states and 468 transitions. [2021-11-23 13:53:32,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 13:53:32,394 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 [2021-11-23 13:53:32,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:53:32,399 INFO L225 Difference]: With dead ends: 342 [2021-11-23 13:53:32,399 INFO L226 Difference]: Without dead ends: 278 [2021-11-23 13:53:32,400 INFO L932 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 [2021-11-23 13:53:32,402 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 183 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:53:32,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 358 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 13:53:32,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-11-23 13:53:32,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 129. [2021-11-23 13:53:32,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 128 states have (on average 1.328125) internal successors, (170), 128 states have internal predecessors, (170), 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) [2021-11-23 13:53:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 170 transitions. [2021-11-23 13:53:32,427 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 170 transitions. Word has length 27 [2021-11-23 13:53:32,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:53:32,428 INFO L470 AbstractCegarLoop]: Abstraction has 129 states and 170 transitions. [2021-11-23 13:53:32,428 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) [2021-11-23 13:53:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 170 transitions. [2021-11-23 13:53:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 13:53:32,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:53:32,430 INFO L514 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] [2021-11-23 13:53:32,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:53:32,431 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:53:32,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:53:32,431 INFO L85 PathProgramCache]: Analyzing trace with hash 116082792, now seen corresponding path program 1 times [2021-11-23 13:53:32,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:53:32,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717099130] [2021-11-23 13:53:32,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:53:32,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:53:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:53:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:53:32,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:53:32,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717099130] [2021-11-23 13:53:32,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717099130] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:53:32,566 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:53:32,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 13:53:32,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978657925] [2021-11-23 13:53:32,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:53:32,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 13:53:32,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:53:32,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 13:53:32,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:53:32,573 INFO L87 Difference]: Start difference. First operand 129 states and 170 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-23 13:53:32,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:53:32,673 INFO L93 Difference]: Finished difference Result 391 states and 528 transitions. [2021-11-23 13:53:32,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:53:32,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-11-23 13:53:32,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:53:32,676 INFO L225 Difference]: With dead ends: 391 [2021-11-23 13:53:32,676 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:53:32,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:53:32,692 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 119 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 13:53:32,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 174 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 13:53:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:53:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:53:32,703 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) [2021-11-23 13:53:32,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:53:32,703 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2021-11-23 13:53:32,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:53:32,704 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:53:32,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-11-23 13:53:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:53:32,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:53:32,707 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 13:53:32,711 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 13:53:32,712 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 13:53:32,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:53:32,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:53:33,599 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 296) no Hoare annotation was computed. [2021-11-23 13:53:33,599 INFO L854 garLoopResultBuilder]: At program point L283-1(lines 275 299) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,599 INFO L858 garLoopResultBuilder]: For program point L283-2(lines 283 296) no Hoare annotation was computed. [2021-11-23 13:53:33,599 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,600 INFO L854 garLoopResultBuilder]: At program point L283-3(lines 275 299) the Hoare annotation is: false [2021-11-23 13:53:33,600 INFO L858 garLoopResultBuilder]: For program point L283-4(lines 283 296) no Hoare annotation was computed. [2021-11-23 13:53:33,600 INFO L854 garLoopResultBuilder]: At program point L283-5(lines 275 299) the Hoare annotation is: false [2021-11-23 13:53:33,605 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-11-23 13:53:33,605 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-11-23 13:53:33,605 INFO L854 garLoopResultBuilder]: At program point L201(lines 196 204) the Hoare annotation is: false [2021-11-23 13:53:33,605 INFO L854 garLoopResultBuilder]: At program point L201-1(lines 196 204) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,605 INFO L854 garLoopResultBuilder]: At program point L201-2(lines 196 204) the Hoare annotation is: false [2021-11-23 13:53:33,606 INFO L854 garLoopResultBuilder]: At program point L201-3(lines 196 204) the Hoare annotation is: false [2021-11-23 13:53:33,606 INFO L854 garLoopResultBuilder]: At program point L201-4(lines 196 204) the Hoare annotation is: false [2021-11-23 13:53:33,607 INFO L854 garLoopResultBuilder]: At program point L201-5(lines 196 204) the Hoare annotation is: false [2021-11-23 13:53:33,607 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:53:33,607 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 472) no Hoare annotation was computed. [2021-11-23 13:53:33,607 INFO L858 garLoopResultBuilder]: For program point L466-2(lines 466 472) no Hoare annotation was computed. [2021-11-23 13:53:33,607 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-23 13:53:33,608 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 369) no Hoare annotation was computed. [2021-11-23 13:53:33,608 INFO L854 garLoopResultBuilder]: At program point L352-1(lines 348 372) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:53:33,608 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2021-11-23 13:53:33,608 INFO L854 garLoopResultBuilder]: At program point L253(lines 249 255) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:53:33,608 INFO L854 garLoopResultBuilder]: At program point L352-3(lines 348 372) the Hoare annotation is: false [2021-11-23 13:53:33,609 INFO L858 garLoopResultBuilder]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2021-11-23 13:53:33,609 INFO L854 garLoopResultBuilder]: At program point L352-5(lines 348 372) the Hoare annotation is: false [2021-11-23 13:53:33,609 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2021-11-23 13:53:33,609 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 326) no Hoare annotation was computed. [2021-11-23 13:53:33,609 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2021-11-23 13:53:33,609 INFO L858 garLoopResultBuilder]: For program point L320-2(lines 319 338) no Hoare annotation was computed. [2021-11-23 13:53:33,610 INFO L858 garLoopResultBuilder]: For program point L320-3(lines 320 326) no Hoare annotation was computed. [2021-11-23 13:53:33,610 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-11-23 13:53:33,610 INFO L858 garLoopResultBuilder]: For program point L287-3(lines 287 293) no Hoare annotation was computed. [2021-11-23 13:53:33,610 INFO L858 garLoopResultBuilder]: For program point L320-5(lines 319 338) no Hoare annotation was computed. [2021-11-23 13:53:33,610 INFO L854 garLoopResultBuilder]: At program point L188-2(lines 184 195) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,611 INFO L858 garLoopResultBuilder]: For program point L320-6(lines 320 326) no Hoare annotation was computed. [2021-11-23 13:53:33,611 INFO L858 garLoopResultBuilder]: For program point L287-6(lines 287 293) no Hoare annotation was computed. [2021-11-23 13:53:33,611 INFO L858 garLoopResultBuilder]: For program point L320-8(lines 319 338) no Hoare annotation was computed. [2021-11-23 13:53:33,613 INFO L854 garLoopResultBuilder]: At program point L403(lines 398 405) the Hoare annotation is: false [2021-11-23 13:53:33,614 INFO L854 garLoopResultBuilder]: At program point L403-1(lines 398 405) the Hoare annotation is: false [2021-11-23 13:53:33,614 INFO L854 garLoopResultBuilder]: At program point L337(lines 316 339) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,615 INFO L854 garLoopResultBuilder]: At program point L403-2(lines 398 405) the Hoare annotation is: false [2021-11-23 13:53:33,615 INFO L854 garLoopResultBuilder]: At program point L337-1(lines 316 339) the Hoare annotation is: false [2021-11-23 13:53:33,615 INFO L854 garLoopResultBuilder]: At program point L403-3(lines 398 405) the Hoare annotation is: false [2021-11-23 13:53:33,616 INFO L854 garLoopResultBuilder]: At program point L337-2(lines 316 339) the Hoare annotation is: false [2021-11-23 13:53:33,618 INFO L854 garLoopResultBuilder]: At program point L536(lines 487 537) the Hoare annotation is: false [2021-11-23 13:53:33,618 INFO L858 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,618 INFO L858 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,619 INFO L858 garLoopResultBuilder]: For program point L305-2(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,619 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-11-23 13:53:33,619 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-11-23 13:53:33,619 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:53:33,620 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-11-23 13:53:33,620 INFO L854 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: false [2021-11-23 13:53:33,620 INFO L854 garLoopResultBuilder]: At program point L306-1(lines 301 308) the Hoare annotation is: false [2021-11-23 13:53:33,620 INFO L854 garLoopResultBuilder]: At program point L306-2(lines 301 308) the Hoare annotation is: false [2021-11-23 13:53:33,621 INFO L854 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,621 INFO L854 garLoopResultBuilder]: At program point L488-2(lines 488 535) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,621 INFO L854 garLoopResultBuilder]: At program point L422-1(lines 417 425) the Hoare annotation is: false [2021-11-23 13:53:33,623 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2021-11-23 13:53:33,623 INFO L854 garLoopResultBuilder]: At program point L422-2(lines 417 425) the Hoare annotation is: false [2021-11-23 13:53:33,623 INFO L858 garLoopResultBuilder]: For program point L356-3(lines 356 364) no Hoare annotation was computed. [2021-11-23 13:53:33,623 INFO L858 garLoopResultBuilder]: For program point L356-6(lines 356 364) no Hoare annotation was computed. [2021-11-23 13:53:33,624 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,624 INFO L858 garLoopResultBuilder]: For program point L489(lines 488 535) no Hoare annotation was computed. [2021-11-23 13:53:33,624 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 180) no Hoare annotation was computed. [2021-11-23 13:53:33,625 INFO L854 garLoopResultBuilder]: At program point L176-2(lines 172 183) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,625 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-11-23 13:53:33,625 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-11-23 13:53:33,626 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:53:33,626 INFO L854 garLoopResultBuilder]: At program point L474(lines 462 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 13:53:33,626 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2021-11-23 13:53:33,626 INFO L858 garLoopResultBuilder]: For program point L524-2(lines 518 531) no Hoare annotation was computed. [2021-11-23 13:53:33,626 INFO L854 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-23 13:53:33,627 INFO L861 garLoopResultBuilder]: At program point L541(lines 478 543) the Hoare annotation is: true [2021-11-23 13:53:33,627 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2021-11-23 13:53:33,628 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-11-23 13:53:33,628 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 514) no Hoare annotation was computed. [2021-11-23 13:53:33,628 INFO L858 garLoopResultBuilder]: For program point L327-1(lines 327 333) no Hoare annotation was computed. [2021-11-23 13:53:33,628 INFO L858 garLoopResultBuilder]: For program point L327-3(lines 327 333) no Hoare annotation was computed. [2021-11-23 13:53:33,628 INFO L858 garLoopResultBuilder]: For program point L327-5(lines 327 333) no Hoare annotation was computed. [2021-11-23 13:53:33,629 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-11-23 13:53:33,636 INFO L854 garLoopResultBuilder]: At program point L344(lines 340 346) the Hoare annotation is: false [2021-11-23 13:53:33,637 INFO L854 garLoopResultBuilder]: At program point L344-1(lines 340 346) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-23 13:53:33,639 INFO L854 garLoopResultBuilder]: At program point L344-2(lines 340 346) the Hoare annotation is: false [2021-11-23 13:53:33,639 INFO L854 garLoopResultBuilder]: At program point L344-3(lines 340 346) the Hoare annotation is: false [2021-11-23 13:53:33,640 INFO L854 garLoopResultBuilder]: At program point L344-4(lines 340 346) the Hoare annotation is: false [2021-11-23 13:53:33,640 INFO L854 garLoopResultBuilder]: At program point L344-5(lines 340 346) the Hoare annotation is: false [2021-11-23 13:53:33,640 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2021-11-23 13:53:33,640 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2021-11-23 13:53:33,640 INFO L854 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: false [2021-11-23 13:53:33,641 INFO L858 garLoopResultBuilder]: For program point L164-3(lines 164 168) no Hoare annotation was computed. [2021-11-23 13:53:33,641 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:53:33,641 INFO L854 garLoopResultBuilder]: At program point L164-5(lines 160 171) the Hoare annotation is: false [2021-11-23 13:53:33,641 INFO L858 garLoopResultBuilder]: For program point L164-6(lines 164 168) no Hoare annotation was computed. [2021-11-23 13:53:33,641 INFO L854 garLoopResultBuilder]: At program point L164-8(lines 160 171) the Hoare annotation is: false [2021-11-23 13:53:33,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2021-11-23 13:53:33,642 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-11-23 13:53:33,642 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 66 70) no Hoare annotation was computed. [2021-11-23 13:53:33,642 INFO L854 garLoopResultBuilder]: At program point L413(lines 406 416) the Hoare annotation is: false [2021-11-23 13:53:33,643 INFO L854 garLoopResultBuilder]: At program point L413-1(lines 406 416) the Hoare annotation is: false [2021-11-23 13:53:33,643 INFO L854 garLoopResultBuilder]: At program point L413-2(lines 406 416) the Hoare annotation is: false [2021-11-23 13:53:33,643 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-11-23 13:53:33,654 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 13:53:33,656 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:53:33,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:53:33 BoogieIcfgContainer [2021-11-23 13:53:33,695 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:53:33,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:53:33,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:53:33,697 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:53:33,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:31" (3/4) ... [2021-11-23 13:53:33,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:53:33,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2021-11-23 13:53:33,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 13:53:33,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:53:33,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:53:33,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:53:33,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:53:33,735 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:53:33,761 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-23 13:53:33,762 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive [2021-11-23 13:53:33,769 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 [2021-11-23 13:53:33,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:53:33,838 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:53:33,839 INFO L158 Benchmark]: Toolchain (without parser) took 3961.46ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 73.3MB in the beginning and 59.7MB in the end (delta: 13.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,839 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:53:33,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 492.98ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 77.5MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.69ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,841 INFO L158 Benchmark]: Boogie Preprocessor took 58.66ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,842 INFO L158 Benchmark]: RCFGBuilder took 610.10ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 55.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,842 INFO L158 Benchmark]: TraceAbstraction took 2552.66ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 54.4MB in the beginning and 68.1MB in the end (delta: -13.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,843 INFO L158 Benchmark]: Witness Printer took 142.07ms. Allocated memory is still 132.1MB. Free memory was 68.1MB in the beginning and 59.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:53:33,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 492.98ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 77.5MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.69ms. Allocated memory is still 109.1MB. Free memory was 77.0MB in the beginning and 74.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.66ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.10ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 55.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2552.66ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 54.4MB in the beginning and 68.1MB in the end (delta: -13.6MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 142.07ms. Allocated memory is still 132.1MB. Free memory was 68.1MB in the beginning and 59.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 305]: 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, 103 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 549 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 549 mSDsluCounter, 1083 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 680 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 403 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=4, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 192 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 135 NumberOfFragments, 167 HoareAnnotationTreeSize, 51 FomulaSimplifications, 204 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 3311 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 260 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((tmp == systemActive && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:53:33,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e36d3d23-917e-4cf1-9736-230e5a0c32a6/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE