./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d6bd7a2d1728d381423fedea6f747367a642c2a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:22:47,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:47,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:47,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:47,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:47,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:47,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:47,607 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:47,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:47,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:47,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:47,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:47,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:47,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:47,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:47,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:47,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:47,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:47,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:47,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:47,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:47,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:47,644 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:47,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:47,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:47,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:47,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:47,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:47,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:47,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:47,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:47,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:47,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:47,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:47,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:47,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:47,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:47,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:47,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:47,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:47,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:47,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:47,725 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:47,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:47,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:47,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:47,729 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:47,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:47,730 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:47,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:47,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:47,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:47,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:47,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:47,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:47,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:47,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:47,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:47,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:47,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:47,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:47,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:47,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:47,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:47,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:47,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:47,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:47,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:47,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:47,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:47,743 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_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d6bd7a2d1728d381423fedea6f747367a642c2a [2021-10-11 00:22:48,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:48,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:48,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:48,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:48,083 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:48,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 00:22:48,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/data/78f37f3c3/811139a22efc4454a5c80095a806b98d/FLAG68a581347 [2021-10-11 00:22:48,696 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:48,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2021-10-11 00:22:48,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/data/78f37f3c3/811139a22efc4454a5c80095a806b98d/FLAG68a581347 [2021-10-11 00:22:49,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/data/78f37f3c3/811139a22efc4454a5c80095a806b98d [2021-10-11 00:22:49,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:49,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:49,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:49,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:49,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:49,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694d81c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49, skipping insertion in model container [2021-10-11 00:22:49,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:49,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:49,365 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 00:22:49,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:49,488 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:49,582 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2021-10-11 00:22:49,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:49,676 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:49,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49 WrapperNode [2021-10-11 00:22:49,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:49,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:49,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:49,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:49,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:49,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:49,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:49,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:49,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,875 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... [2021-10-11 00:22:49,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:49,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:49,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:49,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:49,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:51,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:51,193 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 00:22:51,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:51 BoogieIcfgContainer [2021-10-11 00:22:51,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:51,200 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:51,200 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:22:51,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:22:51,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:49" (1/3) ... [2021-10-11 00:22:51,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:51, skipping insertion in model container [2021-10-11 00:22:51,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:49" (2/3) ... [2021-10-11 00:22:51,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d68073e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:22:51, skipping insertion in model container [2021-10-11 00:22:51,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:51" (3/3) ... [2021-10-11 00:22:51,209 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2021-10-11 00:22:51,230 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:22:51,235 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:22:51,249 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:22:51,291 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:22:51,291 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:22:51,291 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:22:51,292 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:22:51,292 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:22:51,292 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:22:51,292 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:22:51,292 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:22:51,309 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2021-10-11 00:22:51,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:22:51,315 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:51,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:51,316 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:51,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:51,322 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2021-10-11 00:22:51,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:51,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130804622] [2021-10-11 00:22:51,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:51,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130804622] [2021-10-11 00:22:51,727 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:51,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:51,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364656783] [2021-10-11 00:22:51,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:22:51,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:51,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:22:51,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:51,757 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2021-10-11 00:22:51,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:51,823 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2021-10-11 00:22:51,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:22:51,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:22:51,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:51,858 INFO L225 Difference]: With dead ends: 239 [2021-10-11 00:22:51,861 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 00:22:51,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:22:51,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 00:22:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-11 00:22:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-10-11 00:22:51,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2021-10-11 00:22:51,941 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2021-10-11 00:22:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:51,942 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2021-10-11 00:22:51,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:22:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2021-10-11 00:22:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:22:51,947 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:51,947 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:51,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:22:51,948 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:51,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:51,952 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2021-10-11 00:22:51,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:51,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178326279] [2021-10-11 00:22:51,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:52,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178326279] [2021-10-11 00:22:52,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:52,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:52,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741350498] [2021-10-11 00:22:52,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:52,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:52,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:52,081 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2021-10-11 00:22:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:52,092 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2021-10-11 00:22:52,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:52,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:22:52,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:52,094 INFO L225 Difference]: With dead ends: 119 [2021-10-11 00:22:52,095 INFO L226 Difference]: Without dead ends: 51 [2021-10-11 00:22:52,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-11 00:22:52,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-11 00:22:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2021-10-11 00:22:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2021-10-11 00:22:52,103 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2021-10-11 00:22:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:52,103 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2021-10-11 00:22:52,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:52,104 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2021-10-11 00:22:52,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:22:52,105 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:52,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:52,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:22:52,106 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:52,106 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2021-10-11 00:22:52,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:52,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242912491] [2021-10-11 00:22:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:52,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242912491] [2021-10-11 00:22:52,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:52,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:52,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581248057] [2021-10-11 00:22:52,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:52,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:52,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:52,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:52,231 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2021-10-11 00:22:52,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:52,534 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2021-10-11 00:22:52,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:22:52,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2021-10-11 00:22:52,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:52,541 INFO L225 Difference]: With dead ends: 163 [2021-10-11 00:22:52,542 INFO L226 Difference]: Without dead ends: 119 [2021-10-11 00:22:52,544 INFO L677 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 [2021-10-11 00:22:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-11 00:22:52,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2021-10-11 00:22:52,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2021-10-11 00:22:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2021-10-11 00:22:52,569 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2021-10-11 00:22:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:52,570 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2021-10-11 00:22:52,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2021-10-11 00:22:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:22:52,573 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:52,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:52,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:22:52,574 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:52,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:52,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2021-10-11 00:22:52,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:52,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816802409] [2021-10-11 00:22:52,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:52,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816802409] [2021-10-11 00:22:52,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:52,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:52,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384948214] [2021-10-11 00:22:52,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:52,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:52,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:52,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:52,663 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2021-10-11 00:22:52,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:52,730 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2021-10-11 00:22:52,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:52,735 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:22:52,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:52,738 INFO L225 Difference]: With dead ends: 157 [2021-10-11 00:22:52,739 INFO L226 Difference]: Without dead ends: 93 [2021-10-11 00:22:52,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-10-11 00:22:52,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2021-10-11 00:22:52,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 00:22:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2021-10-11 00:22:52,766 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2021-10-11 00:22:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:52,767 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2021-10-11 00:22:52,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2021-10-11 00:22:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:22:52,774 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:52,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:52,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:22:52,775 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:52,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:52,775 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2021-10-11 00:22:52,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:52,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805691200] [2021-10-11 00:22:52,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:52,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805691200] [2021-10-11 00:22:52,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:52,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:52,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920016082] [2021-10-11 00:22:52,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:52,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:52,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:52,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:52,862 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2021-10-11 00:22:52,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:52,991 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2021-10-11 00:22:52,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:22:52,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 00:22:52,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:52,995 INFO L225 Difference]: With dead ends: 452 [2021-10-11 00:22:52,995 INFO L226 Difference]: Without dead ends: 368 [2021-10-11 00:22:52,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:22:52,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-10-11 00:22:53,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2021-10-11 00:22:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2021-10-11 00:22:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2021-10-11 00:22:53,035 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2021-10-11 00:22:53,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:53,035 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2021-10-11 00:22:53,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:53,036 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2021-10-11 00:22:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:22:53,037 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:53,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:53,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:22:53,037 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:53,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:53,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2021-10-11 00:22:53,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:53,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728583972] [2021-10-11 00:22:53,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:53,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:53,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:53,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728583972] [2021-10-11 00:22:53,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:53,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:22:53,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662715109] [2021-10-11 00:22:53,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:53,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:53,106 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2021-10-11 00:22:53,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:53,262 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2021-10-11 00:22:53,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:22:53,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 00:22:53,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:53,266 INFO L225 Difference]: With dead ends: 605 [2021-10-11 00:22:53,266 INFO L226 Difference]: Without dead ends: 448 [2021-10-11 00:22:53,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:22:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-10-11 00:22:53,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2021-10-11 00:22:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2021-10-11 00:22:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2021-10-11 00:22:53,298 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2021-10-11 00:22:53,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:53,298 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2021-10-11 00:22:53,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2021-10-11 00:22:53,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:22:53,300 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:53,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:53,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:22:53,300 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:53,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:53,301 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2021-10-11 00:22:53,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:53,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110735269] [2021-10-11 00:22:53,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:53,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110735269] [2021-10-11 00:22:53,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:53,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:53,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108160201] [2021-10-11 00:22:53,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:53,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:53,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:53,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:53,391 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2021-10-11 00:22:53,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:53,486 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2021-10-11 00:22:53,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:22:53,486 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:22:53,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:53,491 INFO L225 Difference]: With dead ends: 479 [2021-10-11 00:22:53,491 INFO L226 Difference]: Without dead ends: 324 [2021-10-11 00:22:53,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:53,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-11 00:22:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2021-10-11 00:22:53,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2021-10-11 00:22:53,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2021-10-11 00:22:53,517 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2021-10-11 00:22:53,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:53,518 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2021-10-11 00:22:53,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:53,518 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2021-10-11 00:22:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:22:53,521 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:53,521 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:53,522 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:22:53,522 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:53,522 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2021-10-11 00:22:53,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:53,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54974963] [2021-10-11 00:22:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:53,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54974963] [2021-10-11 00:22:53,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:53,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:22:53,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168835218] [2021-10-11 00:22:53,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:53,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:53,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:53,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:53,642 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2021-10-11 00:22:53,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:53,794 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2021-10-11 00:22:53,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:22:53,795 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-10-11 00:22:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:53,799 INFO L225 Difference]: With dead ends: 513 [2021-10-11 00:22:53,799 INFO L226 Difference]: Without dead ends: 346 [2021-10-11 00:22:53,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-11 00:22:53,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-11 00:22:53,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2021-10-11 00:22:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2021-10-11 00:22:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2021-10-11 00:22:53,831 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2021-10-11 00:22:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:53,832 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2021-10-11 00:22:53,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2021-10-11 00:22:53,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:22:53,836 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:53,837 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:53,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:22:53,837 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:53,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:53,838 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2021-10-11 00:22:53,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:53,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689622607] [2021-10-11 00:22:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:53,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689622607] [2021-10-11 00:22:53,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:53,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:22:53,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862344615] [2021-10-11 00:22:53,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:53,937 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:53,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:53,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:53,938 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2021-10-11 00:22:53,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:53,999 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2021-10-11 00:22:54,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:54,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:22:54,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:54,003 INFO L225 Difference]: With dead ends: 445 [2021-10-11 00:22:54,004 INFO L226 Difference]: Without dead ends: 270 [2021-10-11 00:22:54,005 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:54,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-10-11 00:22:54,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2021-10-11 00:22:54,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2021-10-11 00:22:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2021-10-11 00:22:54,041 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2021-10-11 00:22:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:54,043 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2021-10-11 00:22:54,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2021-10-11 00:22:54,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:22:54,046 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:54,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:54,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:22:54,047 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:54,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:54,047 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2021-10-11 00:22:54,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:54,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131101730] [2021-10-11 00:22:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:54,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:54,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131101730] [2021-10-11 00:22:54,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:54,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:54,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054183615] [2021-10-11 00:22:54,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:54,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:54,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:54,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:54,117 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2021-10-11 00:22:54,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:54,195 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2021-10-11 00:22:54,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:54,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:22:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:54,200 INFO L225 Difference]: With dead ends: 389 [2021-10-11 00:22:54,200 INFO L226 Difference]: Without dead ends: 387 [2021-10-11 00:22:54,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:54,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2021-10-11 00:22:54,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2021-10-11 00:22:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2021-10-11 00:22:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2021-10-11 00:22:54,242 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2021-10-11 00:22:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:54,243 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2021-10-11 00:22:54,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:54,243 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2021-10-11 00:22:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:22:54,244 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:54,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:54,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:22:54,245 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:54,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:54,246 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2021-10-11 00:22:54,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:54,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074792736] [2021-10-11 00:22:54,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:54,382 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074792736] [2021-10-11 00:22:54,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:54,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:22:54,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217499170] [2021-10-11 00:22:54,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:22:54,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:54,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:22:54,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:22:54,386 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2021-10-11 00:22:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:54,891 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2021-10-11 00:22:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:22:54,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2021-10-11 00:22:54,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:54,903 INFO L225 Difference]: With dead ends: 1729 [2021-10-11 00:22:54,903 INFO L226 Difference]: Without dead ends: 1508 [2021-10-11 00:22:54,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:22:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2021-10-11 00:22:55,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2021-10-11 00:22:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2021-10-11 00:22:55,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2021-10-11 00:22:55,021 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2021-10-11 00:22:55,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:55,021 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2021-10-11 00:22:55,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:22:55,021 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2021-10-11 00:22:55,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:22:55,023 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:55,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:55,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:22:55,023 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:55,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:55,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2021-10-11 00:22:55,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:55,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461377848] [2021-10-11 00:22:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:55,106 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:22:55,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461377848] [2021-10-11 00:22:55,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:55,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:22:55,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495942350] [2021-10-11 00:22:55,108 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:22:55,108 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:55,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:22:55,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:55,109 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2021-10-11 00:22:55,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:55,290 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2021-10-11 00:22:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:22:55,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2021-10-11 00:22:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:55,296 INFO L225 Difference]: With dead ends: 1322 [2021-10-11 00:22:55,296 INFO L226 Difference]: Without dead ends: 758 [2021-10-11 00:22:55,297 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:22:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2021-10-11 00:22:55,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2021-10-11 00:22:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2021-10-11 00:22:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2021-10-11 00:22:55,392 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2021-10-11 00:22:55,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:55,392 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2021-10-11 00:22:55,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:22:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2021-10-11 00:22:55,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:22:55,394 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:55,394 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:55,394 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:22:55,394 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:55,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2021-10-11 00:22:55,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:55,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620944269] [2021-10-11 00:22:55,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:22:55,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620944269] [2021-10-11 00:22:55,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:55,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:22:55,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760692191] [2021-10-11 00:22:55,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:22:55,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:55,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:22:55,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:22:55,475 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2021-10-11 00:22:55,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:55,765 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2021-10-11 00:22:55,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:22:55,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-10-11 00:22:55,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:55,773 INFO L225 Difference]: With dead ends: 634 [2021-10-11 00:22:55,773 INFO L226 Difference]: Without dead ends: 363 [2021-10-11 00:22:55,777 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:22:55,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-11 00:22:55,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2021-10-11 00:22:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2021-10-11 00:22:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2021-10-11 00:22:55,832 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2021-10-11 00:22:55,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:55,833 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2021-10-11 00:22:55,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:22:55,833 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2021-10-11 00:22:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 00:22:55,834 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:22:55,834 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:22:55,835 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:22:55,835 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:22:55,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:22:55,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2021-10-11 00:22:55,836 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:22:55,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671647768] [2021-10-11 00:22:55,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:22:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:22:55,928 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-11 00:22:55,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671647768] [2021-10-11 00:22:55,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:22:55,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:22:55,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116163080] [2021-10-11 00:22:55,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:22:55,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:22:55,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:22:55,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:55,931 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2021-10-11 00:22:56,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:22:56,106 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2021-10-11 00:22:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:22:56,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-10-11 00:22:56,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:22:56,107 INFO L225 Difference]: With dead ends: 707 [2021-10-11 00:22:56,108 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:22:56,109 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:22:56,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:22:56,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:22:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:22:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:22:56,110 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-10-11 00:22:56,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:22:56,110 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:22:56,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:22:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:22:56,110 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:22:56,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:22:56,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:22:56,551 WARN L197 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 189 [2021-10-11 00:22:56,809 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 163 [2021-10-11 00:22:57,075 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2021-10-11 00:22:57,586 WARN L197 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 188 [2021-10-11 00:22:57,886 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 165 [2021-10-11 00:22:58,217 WARN L197 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 191 [2021-10-11 00:22:58,331 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 90 [2021-10-11 00:22:58,790 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 173 [2021-10-11 00:22:59,623 WARN L197 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2021-10-11 00:23:00,143 WARN L197 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2021-10-11 00:23:00,248 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2021-10-11 00:23:00,767 WARN L197 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 34 [2021-10-11 00:23:01,581 WARN L197 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2021-10-11 00:23:01,763 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2021-10-11 00:23:02,172 WARN L197 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2021-10-11 00:23:03,015 WARN L197 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2021-10-11 00:23:03,191 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2021-10-11 00:23:03,452 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2021-10-11 00:23:03,661 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2021-10-11 00:23:03,938 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2021-10-11 00:23:04,495 WARN L197 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point L498(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point L498-3(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,514 INFO L262 CegarLoopResult]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,515 INFO L262 CegarLoopResult]: For program point L498-5(lines 498 504) no Hoare annotation was computed. [2021-10-11 00:23:04,515 INFO L262 CegarLoopResult]: For program point L433(lines 433 437) no Hoare annotation was computed. [2021-10-11 00:23:04,515 INFO L262 CegarLoopResult]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-10-11 00:23:04,515 INFO L262 CegarLoopResult]: For program point L533-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 00:23:04,527 INFO L258 CegarLoopResult]: At program point L401(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:23:04,527 INFO L258 CegarLoopResult]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-10-11 00:23:04,527 INFO L258 CegarLoopResult]: At program point L105(lines 56 106) the Hoare annotation is: false [2021-10-11 00:23:04,527 INFO L258 CegarLoopResult]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2021-10-11 00:23:04,528 INFO L258 CegarLoopResult]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2021-10-11 00:23:04,528 INFO L262 CegarLoopResult]: For program point L601(lines 601 608) no Hoare annotation was computed. [2021-10-11 00:23:04,528 INFO L265 CegarLoopResult]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2021-10-11 00:23:04,528 INFO L258 CegarLoopResult]: At program point L503(lines 494 507) the Hoare annotation is: false [2021-10-11 00:23:04,528 INFO L258 CegarLoopResult]: At program point L503-1(lines 494 507) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:23:04,529 INFO L258 CegarLoopResult]: At program point L503-2(lines 494 507) the Hoare annotation is: false [2021-10-11 00:23:04,529 INFO L258 CegarLoopResult]: At program point L503-3(lines 494 507) the Hoare annotation is: false [2021-10-11 00:23:04,529 INFO L258 CegarLoopResult]: At program point L503-4(lines 494 507) the Hoare annotation is: false [2021-10-11 00:23:04,529 INFO L258 CegarLoopResult]: At program point L503-5(lines 494 507) the Hoare annotation is: false [2021-10-11 00:23:04,529 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,530 INFO L258 CegarLoopResult]: At program point L242(lines 237 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3))) [2021-10-11 00:23:04,531 INFO L258 CegarLoopResult]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2021-10-11 00:23:04,531 INFO L258 CegarLoopResult]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2021-10-11 00:23:04,532 INFO L262 CegarLoopResult]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-10-11 00:23:04,533 INFO L258 CegarLoopResult]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-10-11 00:23:04,533 INFO L258 CegarLoopResult]: At program point L409(lines 404 412) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:23:04,533 INFO L258 CegarLoopResult]: At program point L343(lines 338 345) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:23:04,533 INFO L262 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,533 INFO L262 CegarLoopResult]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,534 INFO L262 CegarLoopResult]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,534 INFO L262 CegarLoopResult]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,534 INFO L262 CegarLoopResult]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,534 INFO L262 CegarLoopResult]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:23:04,534 INFO L265 CegarLoopResult]: At program point L610(lines 591 613) the Hoare annotation is: true [2021-10-11 00:23:04,534 INFO L258 CegarLoopResult]: At program point L577(lines 573 579) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:23:04,534 INFO L262 CegarLoopResult]: For program point L445(lines 445 449) no Hoare annotation was computed. [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L513(lines 508 516) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L513-1(lines 508 516) the Hoare annotation is: false [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L513-2(lines 508 516) the Hoare annotation is: false [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L316(lines 301 319) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L316-1(lines 301 319) the Hoare annotation is: false [2021-10-11 00:23:04,535 INFO L258 CegarLoopResult]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2021-10-11 00:23:04,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:04,536 INFO L262 CegarLoopResult]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-10-11 00:23:04,537 INFO L262 CegarLoopResult]: For program point L354(lines 354 371) no Hoare annotation was computed. [2021-10-11 00:23:04,537 INFO L258 CegarLoopResult]: At program point L354-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-10-11 00:23:04,537 INFO L262 CegarLoopResult]: For program point L354-2(lines 354 371) no Hoare annotation was computed. [2021-10-11 00:23:04,537 INFO L258 CegarLoopResult]: At program point L354-3(lines 1 988) the Hoare annotation is: false [2021-10-11 00:23:04,537 INFO L262 CegarLoopResult]: For program point L354-4(lines 354 371) no Hoare annotation was computed. [2021-10-11 00:23:04,537 INFO L262 CegarLoopResult]: For program point L189(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:23:04,537 INFO L258 CegarLoopResult]: At program point L354-5(lines 1 988) the Hoare annotation is: false [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L619-2(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L421(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:23:04,538 INFO L262 CegarLoopResult]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:23:04,539 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:04,539 INFO L262 CegarLoopResult]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2021-10-11 00:23:04,539 INFO L262 CegarLoopResult]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-10-11 00:23:04,539 INFO L262 CegarLoopResult]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-10-11 00:23:04,539 INFO L262 CegarLoopResult]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-10-11 00:23:04,540 INFO L258 CegarLoopResult]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse3))) [2021-10-11 00:23:04,541 INFO L262 CegarLoopResult]: For program point L291(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,541 INFO L262 CegarLoopResult]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,541 INFO L262 CegarLoopResult]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,542 INFO L262 CegarLoopResult]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,542 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 00:23:04,542 INFO L262 CegarLoopResult]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,542 INFO L258 CegarLoopResult]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse4 .cse6 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 .cse2 .cse0 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse0 .cse3 .cse4 .cse6 .cse5))) [2021-10-11 00:23:04,542 INFO L262 CegarLoopResult]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,543 INFO L262 CegarLoopResult]: For program point L291-9(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,543 INFO L262 CegarLoopResult]: For program point L291-11(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,543 INFO L262 CegarLoopResult]: For program point L291-12(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,543 INFO L262 CegarLoopResult]: For program point L291-14(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L291-15(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L291-17(lines 291 295) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L358(lines 358 368) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L358-2(lines 358 368) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L358-4(lines 358 368) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:23:04,544 INFO L262 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2021-10-11 00:23:04,545 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:04,545 INFO L258 CegarLoopResult]: At program point L458(lines 453 461) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2021-10-11 00:23:04,545 INFO L258 CegarLoopResult]: At program point L458-1(lines 453 461) the Hoare annotation is: false [2021-10-11 00:23:04,545 INFO L258 CegarLoopResult]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2021-10-11 00:23:04,545 INFO L262 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2021-10-11 00:23:04,545 INFO L262 CegarLoopResult]: For program point L359-2(lines 359 365) no Hoare annotation was computed. [2021-10-11 00:23:04,545 INFO L262 CegarLoopResult]: For program point L359-4(lines 359 365) no Hoare annotation was computed. [2021-10-11 00:23:04,546 INFO L262 CegarLoopResult]: For program point L163(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,546 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,546 INFO L262 CegarLoopResult]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,547 INFO L262 CegarLoopResult]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,547 INFO L262 CegarLoopResult]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,547 INFO L262 CegarLoopResult]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2021-10-11 00:23:04,547 INFO L258 CegarLoopResult]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse5))) [2021-10-11 00:23:04,547 INFO L262 CegarLoopResult]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2021-10-11 00:23:04,547 INFO L258 CegarLoopResult]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2021-10-11 00:23:04,548 INFO L258 CegarLoopResult]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2021-10-11 00:23:04,548 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:04,548 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2021-10-11 00:23:04,548 INFO L258 CegarLoopResult]: At program point L297(lines 282 300) the Hoare annotation is: false [2021-10-11 00:23:04,548 INFO L258 CegarLoopResult]: At program point L297-1(lines 282 300) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:23:04,548 INFO L258 CegarLoopResult]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2021-10-11 00:23:04,548 INFO L258 CegarLoopResult]: At program point L297-3(lines 282 300) the Hoare annotation is: false [2021-10-11 00:23:04,549 INFO L258 CegarLoopResult]: At program point L297-4(lines 282 300) the Hoare annotation is: false [2021-10-11 00:23:04,549 INFO L258 CegarLoopResult]: At program point L297-5(lines 282 300) the Hoare annotation is: false [2021-10-11 00:23:04,550 INFO L258 CegarLoopResult]: At program point L529-2(lines 529 543) the Hoare annotation is: false [2021-10-11 00:23:04,550 INFO L262 CegarLoopResult]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-10-11 00:23:04,550 INFO L258 CegarLoopResult]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2021-10-11 00:23:04,550 INFO L262 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,551 INFO L262 CegarLoopResult]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2021-10-11 00:23:04,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:04 BoogieIcfgContainer [2021-10-11 00:23:04,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:04,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:04,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:04,597 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:04,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:51" (3/4) ... [2021-10-11 00:23:04,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:04,630 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:23:04,632 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:23:04,633 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:23:04,634 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:23:04,635 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:23:04,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:04,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:04,663 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:23:04,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:23:04,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2021-10-11 00:23:04,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:23:04,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:23:04,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:23:04,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:23:04,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:23:04,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:23:04,668 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:23:04,670 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:23:04,671 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:23:04,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:23:04,675 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2021-10-11 00:23:04,678 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2021-10-11 00:23:04,679 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-10-11 00:23:04,759 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92b1225c-90e8-45cc-a3a1-f8e2f71762d6/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:04,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:04,760 INFO L168 Benchmark]: Toolchain (without parser) took 15745.98 ms. Allocated memory was 94.4 MB in the beginning and 293.6 MB in the end (delta: 199.2 MB). Free memory was 59.5 MB in the beginning and 249.9 MB in the end (delta: -190.3 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,761 INFO L168 Benchmark]: CDTParser took 0.85 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 65.3 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:04,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.51 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 60.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.45 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 56.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,762 INFO L168 Benchmark]: Boogie Preprocessor took 101.56 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,762 INFO L168 Benchmark]: RCFGBuilder took 1315.63 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 54.1 MB in the beginning and 84.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,762 INFO L168 Benchmark]: TraceAbstraction took 13396.57 ms. Allocated memory was 115.3 MB in the beginning and 293.6 MB in the end (delta: 178.3 MB). Free memory was 83.8 MB in the beginning and 260.3 MB in the end (delta: -176.6 MB). Peak memory consumption was 172.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,763 INFO L168 Benchmark]: Witness Printer took 162.73 ms. Allocated memory is still 293.6 MB. Free memory was 260.3 MB in the beginning and 249.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:04,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85 ms. Allocated memory is still 94.4 MB. Free memory was 65.3 MB in the beginning and 65.3 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 661.51 ms. Allocated memory is still 94.4 MB. Free memory was 59.3 MB in the beginning and 60.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.45 ms. Allocated memory is still 94.4 MB. Free memory was 60.4 MB in the beginning and 56.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 101.56 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1315.63 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 54.1 MB in the beginning and 84.5 MB in the end (delta: -30.4 MB). Peak memory consumption was 32.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13396.57 ms. Allocated memory was 115.3 MB in the beginning and 293.6 MB in the end (delta: 178.3 MB). Free memory was 83.8 MB in the beginning and 260.3 MB in the end (delta: -176.6 MB). Peak memory consumption was 172.2 MB. Max. memory is 16.1 GB. * Witness Printer took 162.73 ms. Allocated memory is still 293.6 MB. Free memory was 260.3 MB in the beginning and 249.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.8s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2159 SDslu, 2418 SDs, 0 SdLazy, 280 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 825 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1299367 FormulaSimplificationTreeSizeReduction, 2.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 541484 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...