./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3 --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 64bit --witnessprinter.graph.data.programhash 7151c4418a9328c011b7156ec8483a0f7556e371 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3 --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 64bit --witnessprinter.graph.data.programhash 7151c4418a9328c011b7156ec8483a0f7556e371 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:16:24,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:24,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:24,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:24,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:24,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:24,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:24,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:24,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:24,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:24,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:24,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:24,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:24,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:24,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:24,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:24,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:24,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:24,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:24,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:24,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:24,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:24,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:24,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:24,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:24,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:24,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:24,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:24,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:24,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:24,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:24,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:24,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:24,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:24,753 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:24,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:24,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:24,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:24,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:24,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:24,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:24,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-15 19:16:24,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:24,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:24,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:24,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:24,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:24,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:24,802 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:24,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:24,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:16:24,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:24,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:24,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:24,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:24,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:24,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:24,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:24,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:24,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:24,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:24,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:24,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:24,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:24,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:24,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:16:24,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-15 19:16:24,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:24,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:24,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:24,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:24,809 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_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7151c4418a9328c011b7156ec8483a0f7556e371 [2021-10-15 19:16:25,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:25,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:25,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:25,151 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:25,152 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:25,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:25,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/8dc0b82aa/b0bea1ca276646208b48fe8cd71a759f/FLAG474ee7653 [2021-10-15 19:16:25,941 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:25,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:25,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/8dc0b82aa/b0bea1ca276646208b48fe8cd71a759f/FLAG474ee7653 [2021-10-15 19:16:26,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/8dc0b82aa/b0bea1ca276646208b48fe8cd71a759f [2021-10-15 19:16:26,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:26,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:26,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:26,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:26,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:26,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:26" (1/1) ... [2021-10-15 19:16:26,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20724e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:26, skipping insertion in model container [2021-10-15 19:16:26,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:26" (1/1) ... [2021-10-15 19:16:26,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:26,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:26,864 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-10-15 19:16:26,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:26,917 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:27,153 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-10-15 19:16:27,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:27,208 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:27,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27 WrapperNode [2021-10-15 19:16:27,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:27,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:27,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:27,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:27,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:27,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:27,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:27,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:27,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:27,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:27,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:27,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:27,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (1/1) ... [2021-10-15 19:16:27,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:27,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:27,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:16:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:16:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:16:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:16:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:16:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:16:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:16:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:16:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:16:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:16:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:16:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:16:28,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:16:28,861 INFO L299 CfgBuilder]: Removed 188 assume(true) statements. [2021-10-15 19:16:28,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:28 BoogieIcfgContainer [2021-10-15 19:16:28,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:16:28,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:16:28,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:16:28,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:16:28,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:26" (1/3) ... [2021-10-15 19:16:28,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2c8106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:28, skipping insertion in model container [2021-10-15 19:16:28,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:27" (2/3) ... [2021-10-15 19:16:28,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2c8106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:28, skipping insertion in model container [2021-10-15 19:16:28,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:28" (3/3) ... [2021-10-15 19:16:28,881 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:28,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:16:28,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-15 19:16:28,971 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:16:28,984 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:16:28,984 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-15 19:16:29,016 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 262 transitions, 524 flow [2021-10-15 19:16:29,138 INFO L129 PetriNetUnfolder]: 79/262 cut-off events. [2021-10-15 19:16:29,138 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:29,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 262 events. 79/262 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 941 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-10-15 19:16:29,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 262 transitions, 524 flow [2021-10-15 19:16:29,152 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 241 transitions, 482 flow [2021-10-15 19:16:29,164 INFO L129 PetriNetUnfolder]: 27/104 cut-off events. [2021-10-15 19:16:29,164 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:29,165 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:29,165 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:29,166 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:29,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:29,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036949, now seen corresponding path program 1 times [2021-10-15 19:16:29,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:29,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727691438] [2021-10-15 19:16:29,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:29,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:29,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:29,558 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727691438] [2021-10-15 19:16:29,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727691438] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:29,559 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:29,559 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:16:29,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041821693] [2021-10-15 19:16:29,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:29,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:29,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:29,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:29,598 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 262 [2021-10-15 19:16:29,605 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 241 transitions, 482 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,605 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:29,605 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 262 [2021-10-15 19:16:29,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:29,698 INFO L129 PetriNetUnfolder]: 124/450 cut-off events. [2021-10-15 19:16:29,698 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:29,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 467 conditions, 450 events. 124/450 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1769 event pairs, 0 based on Foata normal form. 11/334 useless extension candidates. Maximal degree in co-relation 205. Up to 39 conditions per place. [2021-10-15 19:16:29,704 INFO L132 encePairwiseOnDemand]: 249/262 looper letters, 11 selfloop transitions, 4 changer transitions 0/239 dead transitions. [2021-10-15 19:16:29,704 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 239 transitions, 508 flow [2021-10-15 19:16:29,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2021-10-15 19:16:29,721 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9681933842239185 [2021-10-15 19:16:29,722 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2021-10-15 19:16:29,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2021-10-15 19:16:29,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:29,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2021-10-15 19:16:29,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,748 INFO L186 Difference]: Start difference. First operand has 172 places, 241 transitions, 482 flow. Second operand 3 states and 761 transitions. [2021-10-15 19:16:29,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 239 transitions, 508 flow [2021-10-15 19:16:29,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 239 transitions, 508 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:16:29,760 INFO L242 Difference]: Finished difference. Result has 176 places, 237 transitions, 500 flow [2021-10-15 19:16:29,763 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=176, PETRI_TRANSITIONS=237} [2021-10-15 19:16:29,764 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 4 predicate places. [2021-10-15 19:16:29,764 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 237 transitions, 500 flow [2021-10-15 19:16:29,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,766 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:29,766 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:29,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-15 19:16:29,766 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:29,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:29,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1756868344, now seen corresponding path program 1 times [2021-10-15 19:16:29,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:29,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30181808] [2021-10-15 19:16:29,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:29,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:29,937 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:29,938 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30181808] [2021-10-15 19:16:29,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30181808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:29,938 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:29,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-15 19:16:29,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956899435] [2021-10-15 19:16:29,940 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:29,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:29,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:29,946 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 262 [2021-10-15 19:16:29,948 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 237 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:29,948 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:29,948 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 262 [2021-10-15 19:16:29,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:30,007 INFO L129 PetriNetUnfolder]: 118/436 cut-off events. [2021-10-15 19:16:30,007 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-15 19:16:30,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 436 events. 118/436 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1692 event pairs, 0 based on Foata normal form. 1/319 useless extension candidates. Maximal degree in co-relation 436. Up to 39 conditions per place. [2021-10-15 19:16:30,016 INFO L132 encePairwiseOnDemand]: 257/262 looper letters, 3 selfloop transitions, 1 changer transitions 5/229 dead transitions. [2021-10-15 19:16:30,016 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 229 transitions, 492 flow [2021-10-15 19:16:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2021-10-15 19:16:30,026 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9376590330788804 [2021-10-15 19:16:30,027 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,028 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:30,029 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,035 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,041 INFO L186 Difference]: Start difference. First operand has 176 places, 237 transitions, 500 flow. Second operand 3 states and 737 transitions. [2021-10-15 19:16:30,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 229 transitions, 492 flow [2021-10-15 19:16:30,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 229 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:16:30,063 INFO L242 Difference]: Finished difference. Result has 171 places, 224 transitions, 462 flow [2021-10-15 19:16:30,063 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=462, PETRI_PLACES=171, PETRI_TRANSITIONS=224} [2021-10-15 19:16:30,064 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -1 predicate places. [2021-10-15 19:16:30,065 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 224 transitions, 462 flow [2021-10-15 19:16:30,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,070 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:30,070 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:30,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-15 19:16:30,070 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:30,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:30,074 INFO L82 PathProgramCache]: Analyzing trace with hash -2000431289, now seen corresponding path program 1 times [2021-10-15 19:16:30,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:30,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739031715] [2021-10-15 19:16:30,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:30,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:30,180 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:30,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739031715] [2021-10-15 19:16:30,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739031715] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:30,181 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:30,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:16:30,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025483372] [2021-10-15 19:16:30,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:30,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:30,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:30,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:30,185 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 262 [2021-10-15 19:16:30,187 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 224 transitions, 462 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,187 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:30,187 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 262 [2021-10-15 19:16:30,187 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:30,265 INFO L129 PetriNetUnfolder]: 162/592 cut-off events. [2021-10-15 19:16:30,265 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-15 19:16:30,266 INFO L84 FinitePrefix]: Finished finitePrefix Result has 635 conditions, 592 events. 162/592 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2848 event pairs, 0 based on Foata normal form. 0/434 useless extension candidates. Maximal degree in co-relation 628. Up to 61 conditions per place. [2021-10-15 19:16:30,269 INFO L132 encePairwiseOnDemand]: 258/262 looper letters, 13 selfloop transitions, 3 changer transitions 0/226 dead transitions. [2021-10-15 19:16:30,269 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 226 transitions, 498 flow [2021-10-15 19:16:30,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:30,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2021-10-15 19:16:30,275 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9376590330788804 [2021-10-15 19:16:30,275 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:30,277 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2021-10-15 19:16:30,280 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,283 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,285 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,285 INFO L186 Difference]: Start difference. First operand has 171 places, 224 transitions, 462 flow. Second operand 3 states and 737 transitions. [2021-10-15 19:16:30,285 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 226 transitions, 498 flow [2021-10-15 19:16:30,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 226 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-15 19:16:30,299 INFO L242 Difference]: Finished difference. Result has 171 places, 226 transitions, 483 flow [2021-10-15 19:16:30,300 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=483, PETRI_PLACES=171, PETRI_TRANSITIONS=226} [2021-10-15 19:16:30,300 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, -1 predicate places. [2021-10-15 19:16:30,300 INFO L470 AbstractCegarLoop]: Abstraction has has 171 places, 226 transitions, 483 flow [2021-10-15 19:16:30,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,301 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:30,302 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:30,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-15 19:16:30,302 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:30,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:30,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1395319282, now seen corresponding path program 1 times [2021-10-15 19:16:30,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:30,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99420226] [2021-10-15 19:16:30,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:30,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:30,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:30,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:30,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99420226] [2021-10-15 19:16:30,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99420226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:30,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:30,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:16:30,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443957512] [2021-10-15 19:16:30,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:30,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:30,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:30,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:30,381 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 262 [2021-10-15 19:16:30,383 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 226 transitions, 483 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,383 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:30,383 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 262 [2021-10-15 19:16:30,383 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:30,436 INFO L129 PetriNetUnfolder]: 105/384 cut-off events. [2021-10-15 19:16:30,437 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-15 19:16:30,437 INFO L84 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 384 events. 105/384 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1494 event pairs, 0 based on Foata normal form. 1/281 useless extension candidates. Maximal degree in co-relation 404. Up to 43 conditions per place. [2021-10-15 19:16:30,439 INFO L132 encePairwiseOnDemand]: 260/262 looper letters, 4 selfloop transitions, 0 changer transitions 1/226 dead transitions. [2021-10-15 19:16:30,439 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 226 transitions, 493 flow [2021-10-15 19:16:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2021-10-15 19:16:30,443 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9580152671755725 [2021-10-15 19:16:30,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2021-10-15 19:16:30,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2021-10-15 19:16:30,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:30,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2021-10-15 19:16:30,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,452 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,452 INFO L186 Difference]: Start difference. First operand has 171 places, 226 transitions, 483 flow. Second operand 3 states and 753 transitions. [2021-10-15 19:16:30,452 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 226 transitions, 493 flow [2021-10-15 19:16:30,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 226 transitions, 487 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:16:30,458 INFO L242 Difference]: Finished difference. Result has 172 places, 225 transitions, 477 flow [2021-10-15 19:16:30,459 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=477, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=172, PETRI_TRANSITIONS=225} [2021-10-15 19:16:30,459 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 0 predicate places. [2021-10-15 19:16:30,460 INFO L470 AbstractCegarLoop]: Abstraction has has 172 places, 225 transitions, 477 flow [2021-10-15 19:16:30,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:30,461 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:30,461 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:30,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-15 19:16:30,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:30,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:30,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1614174000, now seen corresponding path program 1 times [2021-10-15 19:16:30,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:30,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373678773] [2021-10-15 19:16:30,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:30,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:30,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:30,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373678773] [2021-10-15 19:16:30,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373678773] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-15 19:16:30,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387246923] [2021-10-15 19:16:30,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:30,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 19:16:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:30,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-15 19:16:30,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-15 19:16:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:30,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:30,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:31,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:31,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387246923] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:31,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-15 19:16:31,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2021-10-15 19:16:31,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072020406] [2021-10-15 19:16:31,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:31,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:31,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:31,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-15 19:16:31,055 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 262 [2021-10-15 19:16:31,057 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 225 transitions, 477 flow. Second operand has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,057 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:31,057 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 262 [2021-10-15 19:16:31,057 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:31,110 INFO L129 PetriNetUnfolder]: 175/632 cut-off events. [2021-10-15 19:16:31,110 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:31,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 632 events. 175/632 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2781 event pairs, 0 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 674. Up to 73 conditions per place. [2021-10-15 19:16:31,113 INFO L132 encePairwiseOnDemand]: 256/262 looper letters, 7 selfloop transitions, 4 changer transitions 0/228 dead transitions. [2021-10-15 19:16:31,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 228 transitions, 505 flow [2021-10-15 19:16:31,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:31,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2021-10-15 19:16:31,117 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2021-10-15 19:16:31,117 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2021-10-15 19:16:31,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2021-10-15 19:16:31,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:31,118 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2021-10-15 19:16:31,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,123 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,124 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,124 INFO L186 Difference]: Start difference. First operand has 172 places, 225 transitions, 477 flow. Second operand 3 states and 754 transitions. [2021-10-15 19:16:31,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 228 transitions, 505 flow [2021-10-15 19:16:31,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 228 transitions, 503 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-10-15 19:16:31,131 INFO L242 Difference]: Finished difference. Result has 173 places, 226 transitions, 495 flow [2021-10-15 19:16:31,131 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=495, PETRI_PLACES=173, PETRI_TRANSITIONS=226} [2021-10-15 19:16:31,131 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 1 predicate places. [2021-10-15 19:16:31,132 INFO L470 AbstractCegarLoop]: Abstraction has has 173 places, 226 transitions, 495 flow [2021-10-15 19:16:31,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 247.66666666666666) internal successors, (743), 3 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,132 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:31,133 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:31,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:31,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-15 19:16:31,355 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:31,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:31,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1175975864, now seen corresponding path program 1 times [2021-10-15 19:16:31,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:31,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337621752] [2021-10-15 19:16:31,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:31,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:31,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:31,499 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:16:31,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337621752] [2021-10-15 19:16:31,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337621752] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:31,499 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:31,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:16:31,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684115134] [2021-10-15 19:16:31,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-15 19:16:31,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:16:31,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:16:31,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:16:31,505 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 262 [2021-10-15 19:16:31,508 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 226 transitions, 495 flow. Second operand has 5 states, 5 states have (on average 245.6) internal successors, (1228), 5 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,508 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:31,508 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 262 [2021-10-15 19:16:31,508 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:31,733 INFO L129 PetriNetUnfolder]: 437/1586 cut-off events. [2021-10-15 19:16:31,733 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2021-10-15 19:16:31,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1726 conditions, 1586 events. 437/1586 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 10107 event pairs, 0 based on Foata normal form. 0/1182 useless extension candidates. Maximal degree in co-relation 1719. Up to 197 conditions per place. [2021-10-15 19:16:31,743 INFO L132 encePairwiseOnDemand]: 256/262 looper letters, 11 selfloop transitions, 6 changer transitions 0/232 dead transitions. [2021-10-15 19:16:31,744 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 232 transitions, 541 flow [2021-10-15 19:16:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 19:16:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-15 19:16:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1238 transitions. [2021-10-15 19:16:31,750 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9450381679389313 [2021-10-15 19:16:31,750 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1238 transitions. [2021-10-15 19:16:31,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1238 transitions. [2021-10-15 19:16:31,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:31,752 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1238 transitions. [2021-10-15 19:16:31,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 247.6) internal successors, (1238), 5 states have internal predecessors, (1238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,763 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,764 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 262.0) internal successors, (1572), 6 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,764 INFO L186 Difference]: Start difference. First operand has 173 places, 226 transitions, 495 flow. Second operand 5 states and 1238 transitions. [2021-10-15 19:16:31,765 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 232 transitions, 541 flow [2021-10-15 19:16:31,771 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 232 transitions, 537 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-15 19:16:31,776 INFO L242 Difference]: Finished difference. Result has 179 places, 230 transitions, 527 flow [2021-10-15 19:16:31,776 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=491, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=527, PETRI_PLACES=179, PETRI_TRANSITIONS=230} [2021-10-15 19:16:31,777 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 7 predicate places. [2021-10-15 19:16:31,777 INFO L470 AbstractCegarLoop]: Abstraction has has 179 places, 230 transitions, 527 flow [2021-10-15 19:16:31,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 245.6) internal successors, (1228), 5 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:31,778 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:31,779 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:31,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-15 19:16:31,779 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:31,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:31,780 INFO L82 PathProgramCache]: Analyzing trace with hash -349191332, now seen corresponding path program 1 times [2021-10-15 19:16:31,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:16:31,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582577738] [2021-10-15 19:16:31,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:31,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:16:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:16:31,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:16:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:16:32,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:16:32,109 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:16:32,110 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:32,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:32,113 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:32,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:32,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-15 19:16:32,121 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:16:32,162 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,166 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,167 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,168 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,172 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,173 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,173 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,173 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,174 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,174 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,174 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,175 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,176 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,176 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,176 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,177 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,177 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,177 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,178 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,178 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,178 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,179 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,179 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,180 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,180 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,180 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,181 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,181 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,181 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,182 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,187 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,188 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,189 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,190 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,191 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,191 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,191 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,192 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,193 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,194 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,195 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,197 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,198 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,199 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,199 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,200 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,200 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,200 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,205 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,206 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,207 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,207 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,208 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,208 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:32,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:16:32 BoogieIcfgContainer [2021-10-15 19:16:32,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:16:32,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:16:32,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:16:32,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:16:32,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:28" (3/4) ... [2021-10-15 19:16:32,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:16:32,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:16:32,336 INFO L168 Benchmark]: Toolchain (without parser) took 6274.92 ms. Allocated memory was 100.7 MB in the beginning and 188.7 MB in the end (delta: 88.1 MB). Free memory was 57.7 MB in the beginning and 66.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 79.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,338 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 77.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:32,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1142.02 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 57.5 MB in the beginning and 80.8 MB in the end (delta: -23.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.01 ms. Allocated memory is still 123.7 MB. Free memory was 80.8 MB in the beginning and 75.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,344 INFO L168 Benchmark]: Boogie Preprocessor took 124.30 ms. Allocated memory is still 123.7 MB. Free memory was 75.1 MB in the beginning and 70.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,345 INFO L168 Benchmark]: RCFGBuilder took 1386.08 ms. Allocated memory is still 123.7 MB. Free memory was 70.0 MB in the beginning and 57.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,345 INFO L168 Benchmark]: TraceAbstraction took 3459.77 ms. Allocated memory was 123.7 MB in the beginning and 188.7 MB in the end (delta: 65.0 MB). Free memory was 56.5 MB in the beginning and 67.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,346 INFO L168 Benchmark]: Witness Printer took 5.15 ms. Allocated memory is still 188.7 MB. Free memory was 67.2 MB in the beginning and 66.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:32,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 100.7 MB. Free memory was 78.0 MB in the beginning and 77.9 MB in the end (delta: 66.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1142.02 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 57.5 MB in the beginning and 80.8 MB in the end (delta: -23.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.01 ms. Allocated memory is still 123.7 MB. Free memory was 80.8 MB in the beginning and 75.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 124.30 ms. Allocated memory is still 123.7 MB. Free memory was 75.1 MB in the beginning and 70.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1386.08 ms. Allocated memory is still 123.7 MB. Free memory was 70.0 MB in the beginning and 57.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3459.77 ms. Allocated memory was 123.7 MB in the beginning and 188.7 MB in the end (delta: 65.0 MB). Free memory was 56.5 MB in the beginning and 67.2 MB in the end (delta: -10.7 MB). Peak memory consumption was 53.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.15 ms. Allocated memory is still 188.7 MB. Free memory was 67.2 MB in the beginning and 66.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2959, overapproximation of bitwiseOr at line 2678. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3168] COND TRUE ldv_state_variable_0 == 1 [L2971] int tmp ; [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3424] return __VERIFIER_nondet_int(); [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3102] void *tmp ; [L2726] void *p ; [L2727] void *tmp ; [L2729] tmp = calloc(1UL, size) [L2730] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2732] return (p); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3301] return (ldv_func_res); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3194] COND TRUE ldv_state_variable_2 == 1 [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2703] return (p); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2676] void *tmp ; [L2667] void *tmp___2 ; [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2662] return ldv_malloc(size); [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2850] EXPR trig->ops [L2850] (trig->ops)->owner [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3317] reach_error() VAL [__this_module={4294967296:4294967297}, iio_interrupt_trigger_driver={6:0}, iio_interrupt_trigger_driver_group1={-36893488147419103233:0}, iio_interrupt_trigger_ops={7:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 184 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3152.3ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 852.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 167.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 15 SDslu, 15 SDs, 0 SdLazy, 61 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 93.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 72.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=6, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 83.1ms SsaConstructionTime, 422.7ms SatisfiabilityAnalysisTime, 781.7ms InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 SizeOfPredicates, 0 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 10/12 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 could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:16:32,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:16:35,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:16:35,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:16:35,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:16:35,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:16:35,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:16:35,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:16:35,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:16:35,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:16:35,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:16:35,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:16:35,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:16:35,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:16:35,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:16:35,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:16:35,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:16:35,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:16:35,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:16:35,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:16:35,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:16:35,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:16:35,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:16:35,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:16:35,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:16:35,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:16:35,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:16:35,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:16:35,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:16:35,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:16:35,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:16:35,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:16:35,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:16:35,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:16:35,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:16:35,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:16:35,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:16:35,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:16:35,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:16:35,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:16:35,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:16:35,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:16:35,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-10-15 19:16:35,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:16:35,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:16:35,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:16:35,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:16:35,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:16:35,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:16:35,505 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:16:35,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:16:35,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:16:35,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-15 19:16:35,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-15 19:16:35,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-15 19:16:35,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-15 19:16:35,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-15 19:16:35,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:16:35,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:16:35,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-15 19:16:35,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:16:35,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:16:35,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-15 19:16:35,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:35,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:16:35,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-15 19:16:35,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-15 19:16:35,512 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-15 19:16:35,513 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-15 19:16:35,513 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-15 19:16:35,513 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-15 19:16:35,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-15 19:16:35,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:16:35,514 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-15 19:16:35,514 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7151c4418a9328c011b7156ec8483a0f7556e371 [2021-10-15 19:16:35,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:16:35,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:16:35,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:16:35,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:16:35,938 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:16:35,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:36,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/50fb559ad/97d31b47eb824b08b9aab0331c9a327c/FLAGef8af0c6f [2021-10-15 19:16:36,730 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:16:36,730 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:36,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/50fb559ad/97d31b47eb824b08b9aab0331c9a327c/FLAGef8af0c6f [2021-10-15 19:16:36,872 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/data/50fb559ad/97d31b47eb824b08b9aab0331c9a327c [2021-10-15 19:16:36,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:16:36,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:16:36,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:36,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:16:36,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:16:36,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:36" (1/1) ... [2021-10-15 19:16:36,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f3a812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:36, skipping insertion in model container [2021-10-15 19:16:36,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:16:36" (1/1) ... [2021-10-15 19:16:36,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:16:36,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:16:37,726 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-10-15 19:16:37,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:37,811 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:16:38,045 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i[90555,90568] [2021-10-15 19:16:38,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:16:38,093 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:16:38,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38 WrapperNode [2021-10-15 19:16:38,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:16:38,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:38,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:16:38,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:16:38,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:16:38,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:16:38,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:16:38,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:16:38,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:16:38,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:16:38,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:16:38,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:16:38,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (1/1) ... [2021-10-15 19:16:38,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-15 19:16:38,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:16:38,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-15 19:16:38,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-15 19:16:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-15 19:16:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-15 19:16:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-15 19:16:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-15 19:16:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-15 19:16:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-15 19:16:38,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:16:38,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:16:39,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:16:39,904 INFO L299 CfgBuilder]: Removed 188 assume(true) statements. [2021-10-15 19:16:39,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:39 BoogieIcfgContainer [2021-10-15 19:16:39,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:16:39,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-15 19:16:39,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-15 19:16:39,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-15 19:16:39,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 07:16:36" (1/3) ... [2021-10-15 19:16:39,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19673078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:39, skipping insertion in model container [2021-10-15 19:16:39,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:16:38" (2/3) ... [2021-10-15 19:16:39,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19673078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 07:16:39, skipping insertion in model container [2021-10-15 19:16:39,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:39" (3/3) ... [2021-10-15 19:16:39,916 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--trigger--iio-trig-interrupt.ko-entry_point.cil.out.i [2021-10-15 19:16:39,922 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-15 19:16:39,923 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-10-15 19:16:39,980 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-15 19:16:39,988 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-15 19:16:39,988 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-15 19:16:40,009 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 262 transitions, 524 flow [2021-10-15 19:16:40,069 INFO L129 PetriNetUnfolder]: 79/262 cut-off events. [2021-10-15 19:16:40,070 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:40,072 INFO L84 FinitePrefix]: Finished finitePrefix Result has 263 conditions, 262 events. 79/262 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 941 event pairs, 0 based on Foata normal form. 0/179 useless extension candidates. Maximal degree in co-relation 0. Up to 21 conditions per place. [2021-10-15 19:16:40,072 INFO L82 GeneralOperation]: Start removeDead. Operand has 184 places, 262 transitions, 524 flow [2021-10-15 19:16:40,083 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 241 transitions, 482 flow [2021-10-15 19:16:40,096 INFO L129 PetriNetUnfolder]: 27/104 cut-off events. [2021-10-15 19:16:40,097 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:40,097 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:40,098 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:40,098 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:40,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:40,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1062036949, now seen corresponding path program 1 times [2021-10-15 19:16:40,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:40,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950514822] [2021-10-15 19:16:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:40,122 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:40,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:40,128 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:40,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-15 19:16:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:40,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:40,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:40,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:40,444 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:40,504 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:40,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950514822] [2021-10-15 19:16:40,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950514822] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:40,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:40,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-15 19:16:40,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601844158] [2021-10-15 19:16:40,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 19:16:40,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:40,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 19:16:40,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-15 19:16:40,542 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 262 [2021-10-15 19:16:40,550 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 241 transitions, 482 flow. Second operand has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:40,550 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:40,551 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 262 [2021-10-15 19:16:40,552 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:40,769 INFO L129 PetriNetUnfolder]: 185/665 cut-off events. [2021-10-15 19:16:40,770 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-15 19:16:40,772 INFO L84 FinitePrefix]: Finished finitePrefix Result has 687 conditions, 665 events. 185/665 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3036 event pairs, 0 based on Foata normal form. 16/490 useless extension candidates. Maximal degree in co-relation 205. Up to 58 conditions per place. [2021-10-15 19:16:40,778 INFO L132 encePairwiseOnDemand]: 247/262 looper letters, 11 selfloop transitions, 9 changer transitions 0/244 dead transitions. [2021-10-15 19:16:40,778 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 244 transitions, 528 flow [2021-10-15 19:16:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-15 19:16:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-15 19:16:40,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1016 transitions. [2021-10-15 19:16:40,801 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9694656488549618 [2021-10-15 19:16:40,802 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1016 transitions. [2021-10-15 19:16:40,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1016 transitions. [2021-10-15 19:16:40,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:40,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1016 transitions. [2021-10-15 19:16:40,819 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 254.0) internal successors, (1016), 4 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:40,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:40,838 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 262.0) internal successors, (1310), 5 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:40,841 INFO L186 Difference]: Start difference. First operand has 172 places, 241 transitions, 482 flow. Second operand 4 states and 1016 transitions. [2021-10-15 19:16:40,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 244 transitions, 528 flow [2021-10-15 19:16:40,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 244 transitions, 528 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:16:40,859 INFO L242 Difference]: Finished difference. Result has 178 places, 239 transitions, 526 flow [2021-10-15 19:16:40,862 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=526, PETRI_PLACES=178, PETRI_TRANSITIONS=239} [2021-10-15 19:16:40,863 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 6 predicate places. [2021-10-15 19:16:40,863 INFO L470 AbstractCegarLoop]: Abstraction has has 178 places, 239 transitions, 526 flow [2021-10-15 19:16:40,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:40,866 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:40,866 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:40,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:41,083 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:41,084 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:41,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:41,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1756868344, now seen corresponding path program 1 times [2021-10-15 19:16:41,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:41,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1894084569] [2021-10-15 19:16:41,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:41,086 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:41,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:41,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:41,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-15 19:16:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:41,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:41,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:41,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:41,497 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:41,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1894084569] [2021-10-15 19:16:41,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1894084569] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:41,498 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:41,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-15 19:16:41,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415665900] [2021-10-15 19:16:41,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:41,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:41,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:41,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:41,503 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 262 [2021-10-15 19:16:41,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 239 transitions, 526 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:41,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:41,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 262 [2021-10-15 19:16:41,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:41,553 INFO L129 PetriNetUnfolder]: 176/645 cut-off events. [2021-10-15 19:16:41,553 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-10-15 19:16:41,554 INFO L84 FinitePrefix]: Finished finitePrefix Result has 685 conditions, 645 events. 176/645 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2929 event pairs, 0 based on Foata normal form. 1/469 useless extension candidates. Maximal degree in co-relation 649. Up to 58 conditions per place. [2021-10-15 19:16:41,557 INFO L132 encePairwiseOnDemand]: 257/262 looper letters, 3 selfloop transitions, 1 changer transitions 5/231 dead transitions. [2021-10-15 19:16:41,557 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 231 transitions, 518 flow [2021-10-15 19:16:41,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:41,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2021-10-15 19:16:41,561 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9376590330788804 [2021-10-15 19:16:41,561 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2021-10-15 19:16:41,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2021-10-15 19:16:41,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:41,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2021-10-15 19:16:41,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:41,567 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:41,568 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:41,568 INFO L186 Difference]: Start difference. First operand has 178 places, 239 transitions, 526 flow. Second operand 3 states and 737 transitions. [2021-10-15 19:16:41,568 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 231 transitions, 518 flow [2021-10-15 19:16:41,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 231 transitions, 518 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-10-15 19:16:41,577 INFO L242 Difference]: Finished difference. Result has 175 places, 226 transitions, 486 flow [2021-10-15 19:16:41,578 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=510, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=231, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=486, PETRI_PLACES=175, PETRI_TRANSITIONS=226} [2021-10-15 19:16:41,578 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 3 predicate places. [2021-10-15 19:16:41,579 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 226 transitions, 486 flow [2021-10-15 19:16:41,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:41,579 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:41,580 INFO L254 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:41,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:41,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:41,799 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:41,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2000431289, now seen corresponding path program 1 times [2021-10-15 19:16:41,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:41,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799133060] [2021-10-15 19:16:41,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:41,802 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:41,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:41,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:41,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-15 19:16:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:42,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:42,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:42,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:42,098 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:42,171 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:42,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799133060] [2021-10-15 19:16:42,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [799133060] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:42,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:42,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-15 19:16:42,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869903695] [2021-10-15 19:16:42,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:42,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:42,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:42,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:42,175 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 262 [2021-10-15 19:16:42,176 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 226 transitions, 486 flow. Second operand has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:42,176 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:42,176 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 262 [2021-10-15 19:16:42,176 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:42,277 INFO L129 PetriNetUnfolder]: 244/882 cut-off events. [2021-10-15 19:16:42,277 INFO L130 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2021-10-15 19:16:42,278 INFO L84 FinitePrefix]: Finished finitePrefix Result has 957 conditions, 882 events. 244/882 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4972 event pairs, 1 based on Foata normal form. 0/648 useless extension candidates. Maximal degree in co-relation 946. Up to 92 conditions per place. [2021-10-15 19:16:42,282 INFO L132 encePairwiseOnDemand]: 258/262 looper letters, 13 selfloop transitions, 3 changer transitions 0/228 dead transitions. [2021-10-15 19:16:42,282 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 228 transitions, 522 flow [2021-10-15 19:16:42,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:42,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 737 transitions. [2021-10-15 19:16:42,285 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9376590330788804 [2021-10-15 19:16:42,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 737 transitions. [2021-10-15 19:16:42,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 737 transitions. [2021-10-15 19:16:42,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:42,287 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 737 transitions. [2021-10-15 19:16:42,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:42,291 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:42,292 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:42,293 INFO L186 Difference]: Start difference. First operand has 175 places, 226 transitions, 486 flow. Second operand 3 states and 737 transitions. [2021-10-15 19:16:42,293 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 228 transitions, 522 flow [2021-10-15 19:16:42,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 228 transitions, 517 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:16:42,300 INFO L242 Difference]: Finished difference. Result has 174 places, 228 transitions, 503 flow [2021-10-15 19:16:42,301 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=481, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=503, PETRI_PLACES=174, PETRI_TRANSITIONS=228} [2021-10-15 19:16:42,301 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 2 predicate places. [2021-10-15 19:16:42,301 INFO L470 AbstractCegarLoop]: Abstraction has has 174 places, 228 transitions, 503 flow [2021-10-15 19:16:42,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 241.33333333333334) internal successors, (724), 3 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:42,302 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:42,302 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:42,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:42,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:42,516 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:42,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1395319282, now seen corresponding path program 1 times [2021-10-15 19:16:42,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:42,518 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1173734921] [2021-10-15 19:16:42,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:42,518 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:42,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:42,522 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:42,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-15 19:16:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:42,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:42,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:43,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:16:43,158 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:43,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1173734921] [2021-10-15 19:16:43,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1173734921] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:43,161 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:43,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-15 19:16:43,161 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302150737] [2021-10-15 19:16:43,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-15 19:16:43,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:43,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:16:43,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:16:43,167 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 249 out of 262 [2021-10-15 19:16:43,169 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 228 transitions, 503 flow. Second operand has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:43,169 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:43,169 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 249 of 262 [2021-10-15 19:16:43,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:43,259 INFO L129 PetriNetUnfolder]: 187/674 cut-off events. [2021-10-15 19:16:43,260 INFO L130 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2021-10-15 19:16:43,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 724 conditions, 674 events. 187/674 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 3416 event pairs, 1 based on Foata normal form. 1/493 useless extension candidates. Maximal degree in co-relation 711. Up to 74 conditions per place. [2021-10-15 19:16:43,263 INFO L132 encePairwiseOnDemand]: 260/262 looper letters, 4 selfloop transitions, 0 changer transitions 1/228 dead transitions. [2021-10-15 19:16:43,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 228 transitions, 513 flow [2021-10-15 19:16:43,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 753 transitions. [2021-10-15 19:16:43,272 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9580152671755725 [2021-10-15 19:16:43,273 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 753 transitions. [2021-10-15 19:16:43,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 753 transitions. [2021-10-15 19:16:43,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:43,274 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 753 transitions. [2021-10-15 19:16:43,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.0) internal successors, (753), 3 states have internal predecessors, (753), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:43,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:43,280 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:43,280 INFO L186 Difference]: Start difference. First operand has 174 places, 228 transitions, 503 flow. Second operand 3 states and 753 transitions. [2021-10-15 19:16:43,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 228 transitions, 513 flow [2021-10-15 19:16:43,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 228 transitions, 507 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-10-15 19:16:43,288 INFO L242 Difference]: Finished difference. Result has 175 places, 227 transitions, 497 flow [2021-10-15 19:16:43,288 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=175, PETRI_TRANSITIONS=227} [2021-10-15 19:16:43,288 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 3 predicate places. [2021-10-15 19:16:43,289 INFO L470 AbstractCegarLoop]: Abstraction has has 175 places, 227 transitions, 497 flow [2021-10-15 19:16:43,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 250.33333333333334) internal successors, (751), 3 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:43,290 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:43,290 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:43,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:43,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:43,504 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:43,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:43,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1614174000, now seen corresponding path program 1 times [2021-10-15 19:16:43,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:43,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1975034982] [2021-10-15 19:16:43,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:43,506 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:43,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:43,507 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:43,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-15 19:16:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:43,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:16:43,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:44,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:44,194 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:44,194 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1975034982] [2021-10-15 19:16:44,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1975034982] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:44,195 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:44,195 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-15 19:16:44,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488266769] [2021-10-15 19:16:44,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-15 19:16:44,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:44,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-15 19:16:44,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-15 19:16:44,199 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 247 out of 262 [2021-10-15 19:16:44,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 227 transitions, 497 flow. Second operand has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:44,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:44,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 247 of 262 [2021-10-15 19:16:44,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:44,304 INFO L129 PetriNetUnfolder]: 327/1160 cut-off events. [2021-10-15 19:16:44,304 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-10-15 19:16:44,306 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1253 conditions, 1160 events. 327/1160 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6531 event pairs, 3 based on Foata normal form. 0/850 useless extension candidates. Maximal degree in co-relation 1246. Up to 133 conditions per place. [2021-10-15 19:16:44,311 INFO L132 encePairwiseOnDemand]: 256/262 looper letters, 7 selfloop transitions, 4 changer transitions 0/230 dead transitions. [2021-10-15 19:16:44,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 230 transitions, 525 flow [2021-10-15 19:16:44,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:16:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-15 19:16:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 754 transitions. [2021-10-15 19:16:44,315 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9592875318066157 [2021-10-15 19:16:44,315 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 754 transitions. [2021-10-15 19:16:44,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 754 transitions. [2021-10-15 19:16:44,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:44,317 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 754 transitions. [2021-10-15 19:16:44,320 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 251.33333333333334) internal successors, (754), 3 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:44,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:44,324 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 262.0) internal successors, (1048), 4 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:44,324 INFO L186 Difference]: Start difference. First operand has 175 places, 227 transitions, 497 flow. Second operand 3 states and 754 transitions. [2021-10-15 19:16:44,324 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 230 transitions, 525 flow [2021-10-15 19:16:44,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 230 transitions, 523 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-10-15 19:16:44,333 INFO L242 Difference]: Finished difference. Result has 176 places, 228 transitions, 515 flow [2021-10-15 19:16:44,333 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=227, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=515, PETRI_PLACES=176, PETRI_TRANSITIONS=228} [2021-10-15 19:16:44,334 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 4 predicate places. [2021-10-15 19:16:44,334 INFO L470 AbstractCegarLoop]: Abstraction has has 176 places, 228 transitions, 515 flow [2021-10-15 19:16:44,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 248.0) internal successors, (992), 4 states have internal predecessors, (992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:44,335 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:44,335 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:44,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:44,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:44,550 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:44,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:44,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1175975864, now seen corresponding path program 1 times [2021-10-15 19:16:44,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:44,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715221170] [2021-10-15 19:16:44,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:44,551 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:44,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:44,553 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:44,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-15 19:16:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:16:44,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 19:16:44,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:16:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:45,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-15 19:16:45,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-15 19:16:45,276 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-15 19:16:45,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715221170] [2021-10-15 19:16:45,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715221170] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-15 19:16:45,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:16:45,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-15 19:16:45,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421895783] [2021-10-15 19:16:45,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-15 19:16:45,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-15 19:16:45,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-15 19:16:45,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-15 19:16:45,288 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 244 out of 262 [2021-10-15 19:16:45,292 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 228 transitions, 515 flow. Second operand has 8 states, 8 states have (on average 245.5) internal successors, (1964), 8 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:45,293 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-15 19:16:45,293 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 244 of 262 [2021-10-15 19:16:45,294 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-15 19:16:45,826 INFO L129 PetriNetUnfolder]: 1087/3854 cut-off events. [2021-10-15 19:16:45,826 INFO L130 PetriNetUnfolder]: For 73/73 co-relation queries the response was YES. [2021-10-15 19:16:45,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4222 conditions, 3854 events. 1087/3854 cut-off events. For 73/73 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 32346 event pairs, 15 based on Foata normal form. 0/2884 useless extension candidates. Maximal degree in co-relation 4214. Up to 499 conditions per place. [2021-10-15 19:16:45,849 INFO L132 encePairwiseOnDemand]: 255/262 looper letters, 10 selfloop transitions, 8 changer transitions 0/235 dead transitions. [2021-10-15 19:16:45,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 235 transitions, 565 flow [2021-10-15 19:16:45,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-15 19:16:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-15 19:16:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1483 transitions. [2021-10-15 19:16:45,860 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.943384223918575 [2021-10-15 19:16:45,861 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1483 transitions. [2021-10-15 19:16:45,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1483 transitions. [2021-10-15 19:16:45,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:16:45,863 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1483 transitions. [2021-10-15 19:16:45,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 247.16666666666666) internal successors, (1483), 6 states have internal predecessors, (1483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:45,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:45,877 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 262.0) internal successors, (1834), 7 states have internal predecessors, (1834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:45,877 INFO L186 Difference]: Start difference. First operand has 176 places, 228 transitions, 515 flow. Second operand 6 states and 1483 transitions. [2021-10-15 19:16:45,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 235 transitions, 565 flow [2021-10-15 19:16:45,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 235 transitions, 561 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-15 19:16:45,895 INFO L242 Difference]: Finished difference. Result has 184 places, 234 transitions, 563 flow [2021-10-15 19:16:45,896 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=262, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=222, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=563, PETRI_PLACES=184, PETRI_TRANSITIONS=234} [2021-10-15 19:16:45,896 INFO L334 CegarLoopForPetriNet]: 172 programPoint places, 12 predicate places. [2021-10-15 19:16:45,896 INFO L470 AbstractCegarLoop]: Abstraction has has 184 places, 234 transitions, 563 flow [2021-10-15 19:16:45,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 245.5) internal successors, (1964), 8 states have internal predecessors, (1964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:16:45,899 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-15 19:16:45,899 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:16:45,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:46,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:46,115 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-10-15 19:16:46,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:16:46,116 INFO L82 PathProgramCache]: Analyzing trace with hash -349191332, now seen corresponding path program 1 times [2021-10-15 19:16:46,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-15 19:16:46,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550228335] [2021-10-15 19:16:46,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:16:46,117 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-15 19:16:46,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat [2021-10-15 19:16:46,119 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-15 19:16:46,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-15 19:16:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:16:46,608 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:16:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:16:47,092 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-15 19:16:47,092 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-15 19:16:47,093 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:47,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:47,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:47,095 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-15 19:16:47,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:16:47,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/mathsat -unsat_core_generation=3 [2021-10-15 19:16:47,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-15 19:16:47,356 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,358 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,361 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,362 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,363 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,363 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,363 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,363 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,364 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,365 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,365 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,366 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,366 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,367 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,368 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,369 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,370 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,370 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,370 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,371 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,371 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,371 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,372 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,372 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,372 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,372 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,373 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,373 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,374 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,374 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,374 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,374 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,375 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,376 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,377 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,378 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,379 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,379 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,379 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,380 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,381 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,382 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,385 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,388 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,389 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,390 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,391 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled [2021-10-15 19:16:47,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 07:16:47 BoogieIcfgContainer [2021-10-15 19:16:47,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-15 19:16:47,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:16:47,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:16:47,501 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:16:47,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:16:39" (3/4) ... [2021-10-15 19:16:47,504 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:16:47,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:16:47,506 INFO L168 Benchmark]: Toolchain (without parser) took 10623.10 ms. Allocated memory was 96.5 MB in the beginning and 203.4 MB in the end (delta: 107.0 MB). Free memory was 57.8 MB in the beginning and 127.2 MB in the end (delta: -69.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,507 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:47,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1208.67 ms. Allocated memory is still 96.5 MB. Free memory was 57.6 MB in the beginning and 59.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.45 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 53.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,509 INFO L168 Benchmark]: Boogie Preprocessor took 103.88 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 48.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,509 INFO L168 Benchmark]: RCFGBuilder took 1538.69 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 48.6 MB in the beginning and 96.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,510 INFO L168 Benchmark]: TraceAbstraction took 7590.86 ms. Allocated memory was 132.1 MB in the beginning and 203.4 MB in the end (delta: 71.3 MB). Free memory was 96.5 MB in the beginning and 127.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:16:47,511 INFO L168 Benchmark]: Witness Printer took 4.30 ms. Allocated memory is still 203.4 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:16:47,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 96.5 MB. Free memory is still 78.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1208.67 ms. Allocated memory is still 96.5 MB. Free memory was 57.6 MB in the beginning and 59.3 MB in the end (delta: -1.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 167.45 ms. Allocated memory is still 96.5 MB. Free memory was 59.3 MB in the beginning and 53.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 103.88 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 48.6 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1538.69 ms. Allocated memory was 96.5 MB in the beginning and 132.1 MB in the end (delta: 35.7 MB). Free memory was 48.6 MB in the beginning and 96.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7590.86 ms. Allocated memory was 132.1 MB in the beginning and 203.4 MB in the end (delta: 71.3 MB). Free memory was 96.5 MB in the beginning and 127.2 MB in the end (delta: -30.7 MB). Peak memory consumption was 69.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.30 ms. Allocated memory is still 203.4 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 2900. Possible FailurePath: [L2766] int ldv_irq_1_2 = 0; [L2767] int LDV_IN_INTERRUPT = 1; [L2768] int ldv_irq_1_3 = 0; [L2769] void *ldv_irq_data_1_1 ; [L2770] int ldv_irq_1_1 = 0; [L2771] int ldv_irq_1_0 = 0; [L2772] int probed_2 = 0; [L2773] int ldv_irq_line_1_3 ; [L2774] void *ldv_irq_data_1_0 ; [L2775] int ldv_state_variable_0 ; [L2776] int ldv_irq_line_1_0 ; [L2777] int ldv_state_variable_2 ; [L2778] void *ldv_irq_data_1_3 ; [L2779] int ref_cnt ; [L2780] int ldv_irq_line_1_1 ; [L2781] struct platform_device *iio_interrupt_trigger_driver_group1 ; [L2782] void *ldv_irq_data_1_2 ; [L2783] int ldv_state_variable_1 ; [L2784] int ldv_irq_line_1_2 ; [L2881] static struct iio_trigger_ops const iio_interrupt_trigger_ops = {& __this_module, 0, 0, 0}; [L2958-L2968] static struct platform_driver iio_interrupt_trigger_driver = {& iio_interrupt_trigger_probe, & iio_interrupt_trigger_remove, 0, 0, 0, {"iio_interrupt_trigger", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0, (_Bool)0}; [L2984] int ldv_retval_0 ; [L2985] int ldv_retval_1 ; [L2988] int ldv_retval_2 ; [L3356] int ldv_module_refcounter = 1; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3137] int tmp ; [L3138] int tmp___0 ; [L3139] int tmp___1 ; VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3142] ldv_state_variable_1 = 1 [L3143] ref_cnt = 0 [L3144] ldv_state_variable_0 = 1 [L3145] ldv_state_variable_2 = 0 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3156] COND TRUE ldv_state_variable_0 != 0 [L3157] tmp___0 = __VERIFIER_nondet_int() [L3159] case 0: [L3167] case 1: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, probed_2=0, ref_cnt=0] [L3168] COND TRUE ldv_state_variable_0 == 1 [L2971] int tmp ; [L3294] ldv_func_ret_type___0 ldv_func_res ; [L3295] int tmp ; [L3424] return __VERIFIER_nondet_int(); [L3297] tmp = __platform_driver_register(ldv_func_arg1, ldv_func_arg2) [L3298] ldv_func_res = tmp [L3299] ldv_state_variable_2 = 1 [L3102] void *tmp ; [L2726] void *p ; [L2727] void *tmp ; [L2729] tmp = calloc(1UL, size) [L2730] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2732] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={0:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3104] tmp = ldv_init_zalloc(1472UL) [L3105] iio_interrupt_trigger_driver_group1 = (struct platform_device *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3301] return (ldv_func_res); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2973] tmp = ldv___platform_driver_register_10(& iio_interrupt_trigger_driver, & __this_module) [L2974] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3169] ldv_retval_0 = iio_interrupt_trigger_driver_init() [L3170] COND TRUE ldv_retval_0 == 0 [L3171] ldv_state_variable_0 = 3 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3174] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3147] tmp = __VERIFIER_nondet_int() [L3149] case 0: [L3155] case 1: [L3189] case 2: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3190] COND TRUE ldv_state_variable_2 != 0 [L3191] tmp___1 = __VERIFIER_nondet_int() [L3193] case 0: VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3194] COND TRUE ldv_state_variable_2 == 1 [L2884] struct iio_interrupt_trigger_info *trig_info ; [L2885] struct iio_trigger *trig ; [L2886] unsigned long irqflags ; [L2887] struct resource *irq_res ; [L2888] int irq ; [L2889] int ret ; [L2890] void *tmp ; [L2892] ret = 0 [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND FALSE !(tmp___0 != 0) [L2700] tmp = malloc(size) [L2701] p = tmp [L2688] COND FALSE !(!cond) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2703] return (p); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3452] return ldv_malloc(sizeof(struct resource)); [L2893] irq_res = platform_get_resource(pdev, 1024U, 0U) [L2894] COND FALSE !((unsigned long )irq_res == (unsigned long )((struct resource *)0)) [L2898] EXPR irq_res->flags [L2898] irqflags = (irq_res->flags & 15UL) | 128UL [L2899] EXPR irq_res->start [L2899] irq = (int )irq_res->start [L2900] trig = iio_trigger_alloc("irqtrig%d", irq) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2901] COND FALSE !((unsigned long )trig == (unsigned long )((struct iio_trigger *)0)) [L2676] void *tmp ; [L2667] void *tmp___2 ; [L2692] void *p ; [L2693] void *tmp ; [L2694] int tmp___0 ; [L2696] tmp___0 = __VERIFIER_nondet_int() [L2697] COND TRUE tmp___0 != 0 [L2698] return ((void *)0); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2662] return ldv_malloc(size); [L2669] tmp___2 = __kmalloc(size, flags) [L2670] return (tmp___2); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2678] tmp = kmalloc(size, flags | 32768U) [L2679] return (tmp); VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2906] tmp = kzalloc(4UL, 208U) [L2907] trig_info = (struct iio_interrupt_trigger_info *)tmp VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2908] COND TRUE (unsigned long )trig_info == (unsigned long )((struct iio_interrupt_trigger_info *)0) [L2909] ret = -12 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L2850] EXPR trig->ops [L2850] (trig->ops)->owner [L3387] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3388] COND TRUE ldv_module_refcounter <= 1 VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] [L3317] reach_error() VAL [__this_module={0:0}, iio_interrupt_trigger_driver={4:0}, iio_interrupt_trigger_driver_group1={1:0}, iio_interrupt_trigger_ops={-2147483641:0}, LDV_IN_INTERRUPT=1, ldv_irq_1_0=0, ldv_irq_1_1=0, ldv_irq_1_2=0, ldv_irq_1_3=0, ldv_irq_data_1_0={0:0}, ldv_irq_data_1_1={0:0}, ldv_irq_data_1_2={0:0}, ldv_irq_data_1_3={0:0}, ldv_irq_line_1_0=0, ldv_irq_line_1_1=0, ldv_irq_line_1_2=0, ldv_irq_line_1_3=0, ldv_module_refcounter=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, probed_2=0, ref_cnt=0] - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3317]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 184 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.2ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7344.0ms, OverallIterations: 7, TraceHistogramMax: 2, EmptinessCheckTime: 0.0ms, AutomataDifference: 1414.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 95.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 41 SDtfs, 27 SDslu, 20 SDs, 0 SdLazy, 73 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 211.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 136.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=563occurred in iteration=6, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 195.0ms SsaConstructionTime, 867.6ms SatisfiabilityAnalysisTime, 1516.7ms InterpolantComputationTime, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 652 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1417 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 18/18 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 could not prove your program: unable to determine feasibility of some traces [2021-10-15 19:16:47,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d4a9ed0-742e-40e9-bb8f-77b5dfc209a2/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...