./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:54:01,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:54:01,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:54:01,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:54:01,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:54:01,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:54:01,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:54:01,977 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:54:01,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:54:01,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:54:01,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:54:01,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:54:01,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:54:01,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:54:01,993 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:54:01,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:54:01,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:54:02,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:54:02,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:54:02,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:54:02,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:54:02,013 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:54:02,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:54:02,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:54:02,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:54:02,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:54:02,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:54:02,028 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:54:02,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:54:02,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:54:02,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:54:02,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:54:02,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:54:02,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:54:02,038 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:54:02,038 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:54:02,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:54:02,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:54:02,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:54:02,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:54:02,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:54:02,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:54:02,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:54:02,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:54:02,085 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:54:02,085 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:54:02,086 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:54:02,086 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:54:02,086 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:54:02,086 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:54:02,087 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:54:02,087 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:54:02,094 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:54:02,094 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:54:02,094 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:54:02,094 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:54:02,095 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:54:02,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:54:02,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:54:02,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:54:02,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:54:02,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:54:02,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:54:02,097 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:54:02,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:54:02,097 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:54:02,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:54:02,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:54:02,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:54:02,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:02,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:54:02,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:54:02,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:54:02,100 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:54:02,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:54:02,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:54:02,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:54:02,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:54:02,102 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a [2021-11-03 03:54:02,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:54:02,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:54:02,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:54:02,453 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:54:02,454 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:54:02,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-03 03:54:02,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/7ba8b8814/6c0da864de714f28bc363a3c42d7def3/FLAG5f4d18e1e [2021-11-03 03:54:03,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:54:03,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-03 03:54:03,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/7ba8b8814/6c0da864de714f28bc363a3c42d7def3/FLAG5f4d18e1e [2021-11-03 03:54:03,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/7ba8b8814/6c0da864de714f28bc363a3c42d7def3 [2021-11-03 03:54:03,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:54:03,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:54:03,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:03,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:54:03,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:54:03,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:03" (1/1) ... [2021-11-03 03:54:03,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354414e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:03, skipping insertion in model container [2021-11-03 03:54:03,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:03" (1/1) ... [2021-11-03 03:54:03,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:54:04,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:04,746 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_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-03 03:54:04,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:04,845 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-03 03:54:04,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e32b8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:04, skipping insertion in model container [2021-11-03 03:54:04,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:04,847 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:54:04,850 INFO L168 Benchmark]: Toolchain (without parser) took 931.87 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 48.6 MB in the beginning and 59.4 MB in the end (delta: -10.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:04,851 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory was 70.4 MB in the beginning and 70.4 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:54:04,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 928.00 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 59.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:54:04,855 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 92.3 MB. Free memory was 70.4 MB in the beginning and 70.4 MB in the end (delta: 23.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 928.00 ms. Allocated memory was 92.3 MB in the beginning and 117.4 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 59.4 MB in the end (delta: -11.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 3446]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:54:07,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:54:07,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:54:07,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:54:07,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:54:07,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:54:07,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:54:07,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:54:07,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:54:07,116 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:54:07,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:54:07,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:54:07,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:54:07,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:54:07,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:54:07,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:54:07,135 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:54:07,136 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:54:07,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:54:07,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:54:07,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:54:07,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:54:07,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:54:07,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:54:07,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:54:07,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:54:07,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:54:07,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:54:07,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:54:07,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:54:07,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:54:07,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:54:07,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:54:07,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:54:07,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:54:07,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:54:07,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:54:07,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:54:07,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:54:07,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:54:07,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:54:07,181 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:54:07,224 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:54:07,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:54:07,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:54:07,226 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:54:07,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:54:07,227 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:54:07,227 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:54:07,227 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:54:07,227 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:54:07,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:54:07,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:54:07,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:54:07,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:54:07,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:54:07,231 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:54:07,231 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:54:07,232 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:54:07,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:54:07,232 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:54:07,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:54:07,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:54:07,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:54:07,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:54:07,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:07,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:54:07,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:54:07,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:54:07,234 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:54:07,235 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:54:07,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:54:07,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:54:07,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:54:07,236 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_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a [2021-11-03 03:54:07,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:54:07,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:54:07,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:54:07,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:54:07,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:54:07,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-03 03:54:07,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/a84399d4d/4af721d991734f8d90febcfb8fb7abe1/FLAGdd2614154 [2021-11-03 03:54:08,503 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:54:08,504 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-03 03:54:08,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/a84399d4d/4af721d991734f8d90febcfb8fb7abe1/FLAGdd2614154 [2021-11-03 03:54:08,610 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/data/a84399d4d/4af721d991734f8d90febcfb8fb7abe1 [2021-11-03 03:54:08,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:54:08,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:54:08,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:08,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:54:08,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:54:08,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:08" (1/1) ... [2021-11-03 03:54:08,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1db7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:08, skipping insertion in model container [2021-11-03 03:54:08,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:54:08" (1/1) ... [2021-11-03 03:54:08,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:54:08,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:09,639 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_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-03 03:54:09,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:09,711 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:54:09,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:54:09,920 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_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-03 03:54:09,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:09,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:54:10,119 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_eb2b66d7-6368-4db8-9c27-049848de56c3/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-03 03:54:10,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:54:10,181 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:54:10,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10 WrapperNode [2021-11-03 03:54:10,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:54:10,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:54:10,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:54:10,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:54:10,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,334 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:54:10,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:54:10,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:54:10,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:54:10,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:54:10,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:54:10,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:54:10,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:54:10,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (1/1) ... [2021-11-03 03:54:10,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:54:10,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:54:10,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:54:10,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:54:10,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:54:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:54:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:54:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:54:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:54:10,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:54:10,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-03 03:54:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:54:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:54:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:54:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:54:10,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:54:10,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:54:10,894 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-03 03:54:19,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2021-11-03 03:54:19,042 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2021-11-03 03:54:19,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:54:19,052 INFO L299 CfgBuilder]: Removed 135 assume(true) statements. [2021-11-03 03:54:19,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:19 BoogieIcfgContainer [2021-11-03 03:54:19,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:54:19,057 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:54:19,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:54:19,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:54:19,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:54:08" (1/3) ... [2021-11-03 03:54:19,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1021ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:19, skipping insertion in model container [2021-11-03 03:54:19,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:54:10" (2/3) ... [2021-11-03 03:54:19,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1021ed56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:54:19, skipping insertion in model container [2021-11-03 03:54:19,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:19" (3/3) ... [2021-11-03 03:54:19,065 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-03 03:54:19,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:54:19,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-03 03:54:19,142 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:54:19,154 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:54:19,154 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-03 03:54:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 124 states have (on average 1.467741935483871) internal successors, (182), 130 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 03:54:19,182 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:19,182 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:19,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:19,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:19,194 INFO L85 PathProgramCache]: Analyzing trace with hash 1802508012, now seen corresponding path program 1 times [2021-11-03 03:54:19,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:19,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641732676] [2021-11-03 03:54:19,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:19,211 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:19,215 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:54:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:19,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:54:19,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:19,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:19,900 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:19,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641732676] [2021-11-03 03:54:19,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641732676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:19,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:19,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:54:19,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533080627] [2021-11-03 03:54:19,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:54:19,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:54:19,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:54:19,928 INFO L87 Difference]: Start difference. First operand has 131 states, 124 states have (on average 1.467741935483871) internal successors, (182), 130 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:20,029 INFO L93 Difference]: Finished difference Result 360 states and 509 transitions. [2021-11-03 03:54:20,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:54:20,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-03 03:54:20,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:20,046 INFO L225 Difference]: With dead ends: 360 [2021-11-03 03:54:20,046 INFO L226 Difference]: Without dead ends: 226 [2021-11-03 03:54:20,050 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:54:20,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-11-03 03:54:20,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 218. [2021-11-03 03:54:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 212 states have (on average 1.2877358490566038) internal successors, (273), 217 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 273 transitions. [2021-11-03 03:54:20,108 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 273 transitions. Word has length 11 [2021-11-03 03:54:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:20,108 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 273 transitions. [2021-11-03 03:54:20,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 273 transitions. [2021-11-03 03:54:20,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:54:20,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:20,109 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:20,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:20,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:20,332 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:20,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:20,337 INFO L85 PathProgramCache]: Analyzing trace with hash 43172304, now seen corresponding path program 1 times [2021-11-03 03:54:20,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:20,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255862856] [2021-11-03 03:54:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:20,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:20,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:20,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:20,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:54:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:20,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:54:20,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:20,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:20,820 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:20,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255862856] [2021-11-03 03:54:20,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255862856] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:20,821 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:20,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:54:20,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385625586] [2021-11-03 03:54:20,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:54:20,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:20,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:54:20,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:54:20,824 INFO L87 Difference]: Start difference. First operand 218 states and 273 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:20,883 INFO L93 Difference]: Finished difference Result 630 states and 792 transitions. [2021-11-03 03:54:20,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:54:20,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-03 03:54:20,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:20,887 INFO L225 Difference]: With dead ends: 630 [2021-11-03 03:54:20,887 INFO L226 Difference]: Without dead ends: 418 [2021-11-03 03:54:20,890 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:54:20,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2021-11-03 03:54:20,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 404. [2021-11-03 03:54:20,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 398 states have (on average 1.2814070351758795) internal successors, (510), 403 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 510 transitions. [2021-11-03 03:54:20,927 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 510 transitions. Word has length 12 [2021-11-03 03:54:20,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:20,927 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 510 transitions. [2021-11-03 03:54:20,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 510 transitions. [2021-11-03 03:54:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:54:20,929 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:20,929 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:20,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:21,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:21,150 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:21,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:21,151 INFO L85 PathProgramCache]: Analyzing trace with hash -803172382, now seen corresponding path program 1 times [2021-11-03 03:54:21,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:21,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703792458] [2021-11-03 03:54:21,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:21,153 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:21,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:21,155 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:21,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 03:54:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:21,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:54:21,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:21,769 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:21,892 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:21,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703792458] [2021-11-03 03:54:21,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703792458] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:21,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:21,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:54:21,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002674645] [2021-11-03 03:54:21,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:54:21,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:21,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:54:21,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:54:21,895 INFO L87 Difference]: Start difference. First operand 404 states and 510 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:21,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:21,991 INFO L93 Difference]: Finished difference Result 802 states and 1013 transitions. [2021-11-03 03:54:21,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-03 03:54:21,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 03:54:21,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:21,995 INFO L225 Difference]: With dead ends: 802 [2021-11-03 03:54:21,995 INFO L226 Difference]: Without dead ends: 404 [2021-11-03 03:54:21,998 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-11-03 03:54:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2021-11-03 03:54:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 398 states have (on average 1.278894472361809) internal successors, (509), 403 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 509 transitions. [2021-11-03 03:54:22,026 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 509 transitions. Word has length 28 [2021-11-03 03:54:22,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:22,027 INFO L470 AbstractCegarLoop]: Abstraction has 404 states and 509 transitions. [2021-11-03 03:54:22,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 509 transitions. [2021-11-03 03:54:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-03 03:54:22,028 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:22,029 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:22,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:22,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:22,245 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:22,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:22,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1686356580, now seen corresponding path program 1 times [2021-11-03 03:54:22,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:22,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852738032] [2021-11-03 03:54:22,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:22,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:22,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:22,248 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:22,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-03 03:54:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:22,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:54:22,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:22,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:22,910 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:22,910 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852738032] [2021-11-03 03:54:22,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852738032] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:22,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:22,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:54:22,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995685172] [2021-11-03 03:54:22,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:54:22,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:22,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:54:22,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:22,912 INFO L87 Difference]: Start difference. First operand 404 states and 509 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:23,013 INFO L93 Difference]: Finished difference Result 871 states and 1127 transitions. [2021-11-03 03:54:23,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:54:23,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-11-03 03:54:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:23,016 INFO L225 Difference]: With dead ends: 871 [2021-11-03 03:54:23,016 INFO L226 Difference]: Without dead ends: 475 [2021-11-03 03:54:23,017 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:23,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2021-11-03 03:54:23,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 475. [2021-11-03 03:54:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 469 states have (on average 1.300639658848614) internal successors, (610), 474 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:23,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 610 transitions. [2021-11-03 03:54:23,049 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 610 transitions. Word has length 28 [2021-11-03 03:54:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:23,049 INFO L470 AbstractCegarLoop]: Abstraction has 475 states and 610 transitions. [2021-11-03 03:54:23,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 610 transitions. [2021-11-03 03:54:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 03:54:23,056 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:23,056 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:23,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:23,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:23,271 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:23,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:23,272 INFO L85 PathProgramCache]: Analyzing trace with hash 649471551, now seen corresponding path program 1 times [2021-11-03 03:54:23,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:23,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [273300403] [2021-11-03 03:54:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:23,273 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:23,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:23,274 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:23,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-03 03:54:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:23,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 03:54:23,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:24,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:24,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:24,377 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:24,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [273300403] [2021-11-03 03:54:24,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [273300403] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:24,377 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:24,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-03 03:54:24,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714072589] [2021-11-03 03:54:24,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:54:24,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:24,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:54:24,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:24,379 INFO L87 Difference]: Start difference. First operand 475 states and 610 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:37,838 INFO L93 Difference]: Finished difference Result 2911 states and 3712 transitions. [2021-11-03 03:54:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 03:54:37,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 03:54:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:37,857 INFO L225 Difference]: With dead ends: 2911 [2021-11-03 03:54:37,857 INFO L226 Difference]: Without dead ends: 2445 [2021-11-03 03:54:37,860 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2021-11-03 03:54:37,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2021-11-03 03:54:37,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 519. [2021-11-03 03:54:37,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 513 states have (on average 1.2826510721247564) internal successors, (658), 518 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:37,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 658 transitions. [2021-11-03 03:54:37,953 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 658 transitions. Word has length 46 [2021-11-03 03:54:37,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:37,953 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 658 transitions. [2021-11-03 03:54:37,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:37,954 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 658 transitions. [2021-11-03 03:54:37,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 03:54:37,962 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:37,963 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:37,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:38,179 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:38,179 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:38,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:38,180 INFO L85 PathProgramCache]: Analyzing trace with hash 672103805, now seen corresponding path program 1 times [2021-11-03 03:54:38,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:38,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1176290795] [2021-11-03 03:54:38,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:38,181 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:38,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:38,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:38,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-03 03:54:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:38,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:54:38,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:38,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:38,969 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:39,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:39,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1176290795] [2021-11-03 03:54:39,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1176290795] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:39,124 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:39,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:54:39,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541825356] [2021-11-03 03:54:39,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:54:39,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:39,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:54:39,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:54:39,125 INFO L87 Difference]: Start difference. First operand 519 states and 658 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:39,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:39,857 INFO L93 Difference]: Finished difference Result 2758 states and 3485 transitions. [2021-11-03 03:54:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:54:39,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 03:54:39,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:39,875 INFO L225 Difference]: With dead ends: 2758 [2021-11-03 03:54:39,875 INFO L226 Difference]: Without dead ends: 2491 [2021-11-03 03:54:39,876 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:54:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2491 states. [2021-11-03 03:54:39,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2491 to 531. [2021-11-03 03:54:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 525 states have (on average 1.276190476190476) internal successors, (670), 530 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 670 transitions. [2021-11-03 03:54:39,989 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 670 transitions. Word has length 46 [2021-11-03 03:54:39,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:39,991 INFO L470 AbstractCegarLoop]: Abstraction has 531 states and 670 transitions. [2021-11-03 03:54:39,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:39,992 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 670 transitions. [2021-11-03 03:54:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-03 03:54:39,993 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:39,993 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:40,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:40,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:40,215 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:40,215 INFO L85 PathProgramCache]: Analyzing trace with hash -607759873, now seen corresponding path program 1 times [2021-11-03 03:54:40,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:40,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1759315808] [2021-11-03 03:54:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:40,216 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:40,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:40,218 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-03 03:54:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:40,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:54:40,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:40,993 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:41,123 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:41,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1759315808] [2021-11-03 03:54:41,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1759315808] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:41,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:41,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-03 03:54:41,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912323320] [2021-11-03 03:54:41,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:54:41,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:41,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:54:41,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:41,125 INFO L87 Difference]: Start difference. First operand 531 states and 670 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:42,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:42,173 INFO L93 Difference]: Finished difference Result 2863 states and 3616 transitions. [2021-11-03 03:54:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 03:54:42,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2021-11-03 03:54:42,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:42,188 INFO L225 Difference]: With dead ends: 2863 [2021-11-03 03:54:42,188 INFO L226 Difference]: Without dead ends: 2341 [2021-11-03 03:54:42,190 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:54:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2341 states. [2021-11-03 03:54:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2341 to 529. [2021-11-03 03:54:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 523 states have (on average 1.2695984703632888) internal successors, (664), 528 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:42,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 664 transitions. [2021-11-03 03:54:42,317 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 664 transitions. Word has length 46 [2021-11-03 03:54:42,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:42,318 INFO L470 AbstractCegarLoop]: Abstraction has 529 states and 664 transitions. [2021-11-03 03:54:42,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 664 transitions. [2021-11-03 03:54:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:54:42,319 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:42,319 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:42,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:42,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:42,534 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:42,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:42,535 INFO L85 PathProgramCache]: Analyzing trace with hash -215153472, now seen corresponding path program 1 times [2021-11-03 03:54:42,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:42,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651442379] [2021-11-03 03:54:42,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:42,536 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:42,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:42,537 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:42,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-03 03:54:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:43,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:54:43,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:43,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:43,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:43,374 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:43,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651442379] [2021-11-03 03:54:43,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651442379] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:43,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:43,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:54:43,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586465874] [2021-11-03 03:54:43,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:54:43,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:43,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:54:43,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:43,376 INFO L87 Difference]: Start difference. First operand 529 states and 664 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:43,557 INFO L93 Difference]: Finished difference Result 1126 states and 1416 transitions. [2021-11-03 03:54:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:54:43,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 03:54:43,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:43,561 INFO L225 Difference]: With dead ends: 1126 [2021-11-03 03:54:43,562 INFO L226 Difference]: Without dead ends: 606 [2021-11-03 03:54:43,563 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:54:43,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2021-11-03 03:54:43,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 367. [2021-11-03 03:54:43,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 361 states have (on average 1.257617728531856) internal successors, (454), 366 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:43,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 454 transitions. [2021-11-03 03:54:43,625 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 454 transitions. Word has length 51 [2021-11-03 03:54:43,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:43,626 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 454 transitions. [2021-11-03 03:54:43,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 454 transitions. [2021-11-03 03:54:43,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:54:43,627 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:43,627 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:43,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:43,843 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:43,844 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:43,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1673817472, now seen corresponding path program 1 times [2021-11-03 03:54:43,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:43,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [582987866] [2021-11-03 03:54:43,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:43,845 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:43,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:43,846 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:43,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-03 03:54:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:44,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-03 03:54:44,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:44,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:44,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:44,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:44,741 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:44,741 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [582987866] [2021-11-03 03:54:44,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [582987866] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:44,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:44,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-03 03:54:44,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807552494] [2021-11-03 03:54:44,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-03 03:54:44,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:44,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-03 03:54:44,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:54:44,743 INFO L87 Difference]: Start difference. First operand 367 states and 454 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:45,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:45,292 INFO L93 Difference]: Finished difference Result 1650 states and 2045 transitions. [2021-11-03 03:54:45,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:54:45,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 03:54:45,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:45,301 INFO L225 Difference]: With dead ends: 1650 [2021-11-03 03:54:45,302 INFO L226 Difference]: Without dead ends: 1504 [2021-11-03 03:54:45,302 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-03 03:54:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1504 states. [2021-11-03 03:54:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1504 to 373. [2021-11-03 03:54:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 367 states have (on average 1.2534059945504088) internal successors, (460), 372 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:45,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 460 transitions. [2021-11-03 03:54:45,385 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 460 transitions. Word has length 51 [2021-11-03 03:54:45,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:45,385 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 460 transitions. [2021-11-03 03:54:45,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 460 transitions. [2021-11-03 03:54:45,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-03 03:54:45,387 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:45,387 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:45,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:45,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:45,606 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:45,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:45,606 INFO L85 PathProgramCache]: Analyzing trace with hash 993759102, now seen corresponding path program 1 times [2021-11-03 03:54:45,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:45,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [126119676] [2021-11-03 03:54:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:45,607 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:45,608 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:45,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-03 03:54:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:46,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:54:46,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:46,421 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:46,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:46,677 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:46,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [126119676] [2021-11-03 03:54:46,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [126119676] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:46,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:46,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 03:54:46,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564325728] [2021-11-03 03:54:46,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:54:46,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:46,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:54:46,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:54:46,679 INFO L87 Difference]: Start difference. First operand 373 states and 460 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:47,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:47,771 INFO L93 Difference]: Finished difference Result 1859 states and 2319 transitions. [2021-11-03 03:54:47,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:54:47,772 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-11-03 03:54:47,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:47,781 INFO L225 Difference]: With dead ends: 1859 [2021-11-03 03:54:47,782 INFO L226 Difference]: Without dead ends: 1572 [2021-11-03 03:54:47,783 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:47,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2021-11-03 03:54:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1398. [2021-11-03 03:54:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1398 states, 1392 states have (on average 1.2665229885057472) internal successors, (1763), 1397 states have internal predecessors, (1763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1398 states and 1763 transitions. [2021-11-03 03:54:48,102 INFO L78 Accepts]: Start accepts. Automaton has 1398 states and 1763 transitions. Word has length 51 [2021-11-03 03:54:48,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:48,103 INFO L470 AbstractCegarLoop]: Abstraction has 1398 states and 1763 transitions. [2021-11-03 03:54:48,103 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1763 transitions. [2021-11-03 03:54:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-03 03:54:48,105 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:48,105 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:48,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:48,324 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:48,324 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:48,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:48,325 INFO L85 PathProgramCache]: Analyzing trace with hash -93822525, now seen corresponding path program 1 times [2021-11-03 03:54:48,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:48,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279060074] [2021-11-03 03:54:48,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:48,325 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:48,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:48,326 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:48,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-03 03:54:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:48,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-03 03:54:48,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:49,001 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:49,153 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:49,153 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [279060074] [2021-11-03 03:54:49,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [279060074] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:49,153 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:49,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-03 03:54:49,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682328656] [2021-11-03 03:54:49,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-03 03:54:49,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:49,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-03 03:54:49,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-03 03:54:49,154 INFO L87 Difference]: Start difference. First operand 1398 states and 1763 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:49,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:49,848 INFO L93 Difference]: Finished difference Result 2817 states and 3516 transitions. [2021-11-03 03:54:49,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:54:49,848 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-11-03 03:54:49,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:49,855 INFO L225 Difference]: With dead ends: 2817 [2021-11-03 03:54:49,856 INFO L226 Difference]: Without dead ends: 1396 [2021-11-03 03:54:49,858 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-11-03 03:54:49,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2021-11-03 03:54:50,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 935. [2021-11-03 03:54:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 929 states have (on average 1.270182992465016) internal successors, (1180), 934 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:50,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1180 transitions. [2021-11-03 03:54:50,058 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1180 transitions. Word has length 52 [2021-11-03 03:54:50,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:50,058 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 1180 transitions. [2021-11-03 03:54:50,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:50,059 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1180 transitions. [2021-11-03 03:54:50,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-03 03:54:50,059 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:50,060 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:50,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:50,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:50,272 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:50,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash -45357949, now seen corresponding path program 1 times [2021-11-03 03:54:50,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:50,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370696285] [2021-11-03 03:54:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:50,274 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:50,274 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:50,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-03 03:54:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:50,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:54:50,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:51,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:51,218 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:51,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370696285] [2021-11-03 03:54:51,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370696285] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:51,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:51,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2021-11-03 03:54:51,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911649698] [2021-11-03 03:54:51,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-03 03:54:51,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:51,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-03 03:54:51,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:51,220 INFO L87 Difference]: Start difference. First operand 935 states and 1180 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:51,840 INFO L93 Difference]: Finished difference Result 2849 states and 3543 transitions. [2021-11-03 03:54:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 03:54:51,841 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-11-03 03:54:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:51,851 INFO L225 Difference]: With dead ends: 2849 [2021-11-03 03:54:51,852 INFO L226 Difference]: Without dead ends: 1923 [2021-11-03 03:54:51,854 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:54:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2021-11-03 03:54:52,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 931. [2021-11-03 03:54:52,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 931 states, 925 states have (on average 1.2627027027027027) internal successors, (1168), 930 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1168 transitions. [2021-11-03 03:54:52,069 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1168 transitions. Word has length 58 [2021-11-03 03:54:52,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:52,069 INFO L470 AbstractCegarLoop]: Abstraction has 931 states and 1168 transitions. [2021-11-03 03:54:52,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1168 transitions. [2021-11-03 03:54:52,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-03 03:54:52,070 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:52,070 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:52,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:52,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:52,274 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash 999898713, now seen corresponding path program 1 times [2021-11-03 03:54:52,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:52,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249717836] [2021-11-03 03:54:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:52,276 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:52,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:52,276 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:52,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-03 03:54:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:52,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:54:52,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:53,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:53,176 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:53,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249717836] [2021-11-03 03:54:53,177 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249717836] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:53,177 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:53,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:54:53,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302502770] [2021-11-03 03:54:53,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:54:53,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:53,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:54:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:53,178 INFO L87 Difference]: Start difference. First operand 931 states and 1168 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:53,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:53,647 INFO L93 Difference]: Finished difference Result 2296 states and 2892 transitions. [2021-11-03 03:54:53,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:54:53,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2021-11-03 03:54:53,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:53,658 INFO L225 Difference]: With dead ends: 2296 [2021-11-03 03:54:53,659 INFO L226 Difference]: Without dead ends: 1611 [2021-11-03 03:54:53,660 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:53,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states. [2021-11-03 03:54:53,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 856. [2021-11-03 03:54:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 850 states have (on average 1.248235294117647) internal successors, (1061), 855 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1061 transitions. [2021-11-03 03:54:53,853 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1061 transitions. Word has length 59 [2021-11-03 03:54:53,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:53,853 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1061 transitions. [2021-11-03 03:54:53,853 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1061 transitions. [2021-11-03 03:54:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 03:54:53,854 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:53,854 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:53,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:54,054 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:54,055 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:54,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1960369742, now seen corresponding path program 1 times [2021-11-03 03:54:54,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:54,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468828310] [2021-11-03 03:54:54,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:54,056 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:54,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:54,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:54,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-03 03:54:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:55,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 638 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-03 03:54:55,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:55,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:55,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:55,375 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:55,375 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468828310] [2021-11-03 03:54:55,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468828310] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:55,376 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:55,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:54:55,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623397669] [2021-11-03 03:54:55,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:54:55,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:55,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:54:55,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:54:55,378 INFO L87 Difference]: Start difference. First operand 856 states and 1061 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:55,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:55,620 INFO L93 Difference]: Finished difference Result 1395 states and 1710 transitions. [2021-11-03 03:54:55,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:54:55,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-03 03:54:55,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:55,625 INFO L225 Difference]: With dead ends: 1395 [2021-11-03 03:54:55,625 INFO L226 Difference]: Without dead ends: 543 [2021-11-03 03:54:55,628 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:54:55,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2021-11-03 03:54:55,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 498. [2021-11-03 03:54:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 492 states have (on average 1.2276422764227641) internal successors, (604), 497 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 604 transitions. [2021-11-03 03:54:55,795 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 604 transitions. Word has length 67 [2021-11-03 03:54:55,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:55,796 INFO L470 AbstractCegarLoop]: Abstraction has 498 states and 604 transitions. [2021-11-03 03:54:55,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:55,796 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 604 transitions. [2021-11-03 03:54:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-03 03:54:55,804 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:55,804 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:55,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:56,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:56,026 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:56,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1965673074, now seen corresponding path program 1 times [2021-11-03 03:54:56,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:56,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [386135077] [2021-11-03 03:54:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:56,029 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:56,030 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:56,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-03 03:54:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:54:57,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:54:57,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:54:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:57,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:54:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:54:57,799 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:54:57,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [386135077] [2021-11-03 03:54:57,799 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [386135077] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:54:57,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:54:57,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-03 03:54:57,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837918682] [2021-11-03 03:54:57,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:54:57,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:54:57,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:54:57,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:54:57,802 INFO L87 Difference]: Start difference. First operand 498 states and 604 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:58,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:54:58,669 INFO L93 Difference]: Finished difference Result 1667 states and 1996 transitions. [2021-11-03 03:54:58,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:54:58,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2021-11-03 03:54:58,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:54:58,679 INFO L225 Difference]: With dead ends: 1667 [2021-11-03 03:54:58,679 INFO L226 Difference]: Without dead ends: 1619 [2021-11-03 03:54:58,680 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-03 03:54:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2021-11-03 03:54:58,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1158. [2021-11-03 03:54:58,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1152 states have (on average 1.2526041666666667) internal successors, (1443), 1157 states have internal predecessors, (1443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:58,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1443 transitions. [2021-11-03 03:54:58,948 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1443 transitions. Word has length 67 [2021-11-03 03:54:58,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:54:58,949 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1443 transitions. [2021-11-03 03:54:58,949 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:54:58,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1443 transitions. [2021-11-03 03:54:58,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-03 03:54:58,950 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:54:58,950 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:54:58,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-03 03:54:59,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:54:59,175 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:54:59,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:54:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash 495831049, now seen corresponding path program 1 times [2021-11-03 03:54:59,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:54:59,177 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106859745] [2021-11-03 03:54:59,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:54:59,177 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:54:59,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:54:59,179 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:54:59,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-11-03 03:55:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:00,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:55:00,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:00,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:00,578 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:00,578 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106859745] [2021-11-03 03:55:00,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106859745] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:00,578 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:00,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-03 03:55:00,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097526553] [2021-11-03 03:55:00,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:55:00,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:00,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:55:00,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:55:00,579 INFO L87 Difference]: Start difference. First operand 1158 states and 1443 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:00,810 INFO L93 Difference]: Finished difference Result 1184 states and 1469 transitions. [2021-11-03 03:55:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:55:00,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-11-03 03:55:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:00,816 INFO L225 Difference]: With dead ends: 1184 [2021-11-03 03:55:00,816 INFO L226 Difference]: Without dead ends: 1175 [2021-11-03 03:55:00,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-03 03:55:00,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-11-03 03:55:01,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1158. [2021-11-03 03:55:01,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1152 states have (on average 1.2439236111111112) internal successors, (1433), 1157 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:01,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1433 transitions. [2021-11-03 03:55:01,024 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1433 transitions. Word has length 68 [2021-11-03 03:55:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:01,024 INFO L470 AbstractCegarLoop]: Abstraction has 1158 states and 1433 transitions. [2021-11-03 03:55:01,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:01,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1433 transitions. [2021-11-03 03:55:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-03 03:55:01,025 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:01,026 INFO L513 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:01,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:01,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:55:01,242 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:55:01,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1259237824, now seen corresponding path program 1 times [2021-11-03 03:55:01,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:55:01,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84548200] [2021-11-03 03:55:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:01,244 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:55:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:55:01,250 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:55:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-11-03 03:55:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:02,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:55:02,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:02,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:02,663 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:02,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:02,965 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:02,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84548200] [2021-11-03 03:55:02,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84548200] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:02,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:02,966 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-03 03:55:02,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902868687] [2021-11-03 03:55:02,967 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-03 03:55:02,967 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:02,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-03 03:55:02,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:55:02,968 INFO L87 Difference]: Start difference. First operand 1158 states and 1433 transitions. Second operand has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:03,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:03,141 INFO L93 Difference]: Finished difference Result 1201 states and 1474 transitions. [2021-11-03 03:55:03,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:55:03,142 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-03 03:55:03,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:03,143 INFO L225 Difference]: With dead ends: 1201 [2021-11-03 03:55:03,144 INFO L226 Difference]: Without dead ends: 416 [2021-11-03 03:55:03,147 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-03 03:55:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-11-03 03:55:03,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-11-03 03:55:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 413 states have (on average 1.171912832929782) internal successors, (484), 415 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 484 transitions. [2021-11-03 03:55:03,246 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 484 transitions. Word has length 72 [2021-11-03 03:55:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:03,247 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 484 transitions. [2021-11-03 03:55:03,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 484 transitions. [2021-11-03 03:55:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-03 03:55:03,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:55:03,248 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:03,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:03,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:55:03,469 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-03 03:55:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:55:03,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1340649389, now seen corresponding path program 1 times [2021-11-03 03:55:03,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:55:03,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1197330443] [2021-11-03 03:55:03,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:55:03,471 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:55:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:55:03,472 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:55:03,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-11-03 03:55:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:55:04,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-03 03:55:04,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:55:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:04,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:55:05,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:55:05,103 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:55:05,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1197330443] [2021-11-03 03:55:05,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1197330443] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:55:05,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:55:05,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:55:05,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664743847] [2021-11-03 03:55:05,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:55:05,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:55:05,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:55:05,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:55:05,106 INFO L87 Difference]: Start difference. First operand 416 states and 484 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:55:05,174 INFO L93 Difference]: Finished difference Result 492 states and 571 transitions. [2021-11-03 03:55:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:55:05,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-03 03:55:05,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:55:05,176 INFO L225 Difference]: With dead ends: 492 [2021-11-03 03:55:05,176 INFO L226 Difference]: Without dead ends: 0 [2021-11-03 03:55:05,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:55:05,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-03 03:55:05,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-03 03:55:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-03 03:55:05,177 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2021-11-03 03:55:05,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:55:05,177 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-03 03:55:05,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:55:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-03 03:55:05,177 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-03 03:55:05,179 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,180 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,181 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:55:05,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-11-03 03:55:05,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:55:05,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-03 03:55:05,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:06,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:07,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:08,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:09,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:10,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:55:23,070 INFO L853 garLoopResultBuilder]: At program point L4032(lines 3979 4033) the Hoare annotation is: (and (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,070 INFO L857 garLoopResultBuilder]: For program point L4098-1(lines 4097 4116) no Hoare annotation was computed. [2021-11-03 03:55:23,071 INFO L853 garLoopResultBuilder]: At program point L3867(lines 3793 3873) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,071 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,071 INFO L853 garLoopResultBuilder]: At program point L3471(lines 3465 3473) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,071 INFO L853 garLoopResultBuilder]: At program point L4264-1(lines 1 4266) the Hoare annotation is: (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,071 INFO L857 garLoopResultBuilder]: For program point L4264(lines 4264 4266) no Hoare annotation was computed. [2021-11-03 03:55:23,072 INFO L857 garLoopResultBuilder]: For program point L4099-1(lines 4097 4116) no Hoare annotation was computed. [2021-11-03 03:55:23,072 INFO L857 garLoopResultBuilder]: For program point L4099(lines 4097 4116) no Hoare annotation was computed. [2021-11-03 03:55:23,072 INFO L857 garLoopResultBuilder]: For program point L3802(lines 3802 3808) no Hoare annotation was computed. [2021-11-03 03:55:23,072 INFO L853 garLoopResultBuilder]: At program point L3439-1(lines 3433 3441) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,072 INFO L853 garLoopResultBuilder]: At program point L3439(lines 3433 3441) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,072 INFO L853 garLoopResultBuilder]: At program point L4233(lines 4008 4011) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) .cse1 .cse2) (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (not .cse1) .cse2 (not .cse0) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-11-03 03:55:23,074 INFO L857 garLoopResultBuilder]: For program point L4135(lines 4135 4138) no Hoare annotation was computed. [2021-11-03 03:55:23,074 INFO L857 garLoopResultBuilder]: For program point L3805(lines 3805 3808) no Hoare annotation was computed. [2021-11-03 03:55:23,074 INFO L853 garLoopResultBuilder]: At program point L3872(lines 3782 3874) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (.cse1 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)))) (or (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (not .cse0) .cse1 (= ~ldv_urb_state~0 (_ bv0 32))) (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) .cse0 .cse1))) [2021-11-03 03:55:23,074 INFO L853 garLoopResultBuilder]: At program point L3509(lines 3506 3511) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,074 INFO L857 garLoopResultBuilder]: For program point L4203(line 4203) no Hoare annotation was computed. [2021-11-03 03:55:23,074 INFO L853 garLoopResultBuilder]: At program point L4236(lines 4235 4237) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,074 INFO L857 garLoopResultBuilder]: For program point L4203-4(line 4203) no Hoare annotation was computed. [2021-11-03 03:55:23,074 INFO L857 garLoopResultBuilder]: For program point L4203-2(line 4203) no Hoare annotation was computed. [2021-11-03 03:55:23,075 INFO L857 garLoopResultBuilder]: For program point L4203-8(line 4203) no Hoare annotation was computed. [2021-11-03 03:55:23,075 INFO L857 garLoopResultBuilder]: For program point L4203-6(line 4203) no Hoare annotation was computed. [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L3576(lines 3569 3578) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L3411-1(lines 3405 3413) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L3411(lines 3405 3413) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= (_ bv0 64) |ULTIMATE.start_kzalloc_#res.offset|) (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.base|) .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) (= |ULTIMATE.start_kzalloc_#res.base| (_ bv0 64)) .cse1 (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.offset|) .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L4204-1(lines 4201 4205) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L4204-2(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L4204(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,075 INFO L853 garLoopResultBuilder]: At program point L4072loopEntry(lines 4072 4085) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,076 INFO L853 garLoopResultBuilder]: At program point L4204-3(lines 4201 4205) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,076 INFO L853 garLoopResultBuilder]: At program point L4204-4(lines 4201 4205) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,076 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,076 INFO L857 garLoopResultBuilder]: For program point L4106(lines 4106 4111) no Hoare annotation was computed. [2021-11-03 03:55:23,076 INFO L857 garLoopResultBuilder]: For program point L4106-2(lines 4106 4111) no Hoare annotation was computed. [2021-11-03 03:55:23,076 INFO L857 garLoopResultBuilder]: For program point L4073(line 4073) no Hoare annotation was computed. [2021-11-03 03:55:23,076 INFO L857 garLoopResultBuilder]: For program point L3974(lines 3974 3977) no Hoare annotation was computed. [2021-11-03 03:55:23,077 INFO L853 garLoopResultBuilder]: At program point L3446(lines 3442 3448) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,077 INFO L853 garLoopResultBuilder]: At program point L4239(lines 4238 4240) the Hoare annotation is: (let ((.cse1 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse4 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse0 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse5 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not .cse0) .cse1 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse2 (not .cse3) .cse4 .cse5) (and .cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse2 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|) .cse4 .cse3 .cse0 .cse5))) [2021-11-03 03:55:23,077 INFO L853 garLoopResultBuilder]: At program point L4239-1(lines 4238 4240) the Hoare annotation is: (let ((.cse1 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse4 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse0 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse5 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not .cse0) .cse1 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse2 (not .cse3) .cse4 .cse5) (and .cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|) .cse2 .cse4 .cse3 .cse0 .cse5))) [2021-11-03 03:55:23,077 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,077 INFO L853 garLoopResultBuilder]: At program point L3513(lines 3512 3514) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-11-03 03:55:23,077 INFO L853 garLoopResultBuilder]: At program point L4207(lines 4206 4208) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,078 INFO L853 garLoopResultBuilder]: At program point L4207-1(lines 4206 4208) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-11-03 03:55:23,078 INFO L853 garLoopResultBuilder]: At program point L4174(lines 4150 4179) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,078 INFO L853 garLoopResultBuilder]: At program point L4174-1(lines 4150 4179) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,079 INFO L853 garLoopResultBuilder]: At program point L4043(lines 3961 4045) the Hoare annotation is: (= ~ldv_urb_state~0 (_ bv0 32)) [2021-11-03 03:55:23,079 INFO L857 garLoopResultBuilder]: For program point L4143(lines 4128 4144) no Hoare annotation was computed. [2021-11-03 03:55:23,079 INFO L857 garLoopResultBuilder]: For program point L3813(lines 3813 3816) no Hoare annotation was computed. [2021-11-03 03:55:23,079 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,079 INFO L853 garLoopResultBuilder]: At program point L4210(lines 4209 4211) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4078(lines 4078 4081) no Hoare annotation was computed. [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4046(lines 1 4266) no Hoare annotation was computed. [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4046-2(lines 1 4266) no Hoare annotation was computed. [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4046-1(lines 1 4266) no Hoare annotation was computed. [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4046-4(lines 4190 4195) no Hoare annotation was computed. [2021-11-03 03:55:23,080 INFO L857 garLoopResultBuilder]: For program point L4046-3(lines 1 4266) no Hoare annotation was computed. [2021-11-03 03:55:23,081 INFO L853 garLoopResultBuilder]: At program point L4046-5(lines 4181 4198) the Hoare annotation is: (= ~ldv_urb_state~0 (_ bv0 32)) [2021-11-03 03:55:23,081 INFO L853 garLoopResultBuilder]: At program point L4146(lines 4124 4148) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse2 (= ~ldv_coherent_state~0 (_ bv1 32))) (.cse5 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_urb_#res.offset|)) (.cse4 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_urb_#res.base|)) (.cse1 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base)) (.cse3 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse6 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (not (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not .cse1) .cse2 (not (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) .cse3 (not .cse4)) (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse2 .cse5 .cse4 .cse3 .cse6) (and .cse0 .cse2 .cse5 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) .cse4 .cse1 .cse3 .cse6))) [2021-11-03 03:55:23,081 INFO L857 garLoopResultBuilder]: For program point L3981(line 3981) no Hoare annotation was computed. [2021-11-03 03:55:23,081 INFO L857 garLoopResultBuilder]: For program point L3915(lines 3915 3918) no Hoare annotation was computed. [2021-11-03 03:55:23,081 INFO L857 garLoopResultBuilder]: For program point L3487(lines 3487 3494) no Hoare annotation was computed. [2021-11-03 03:55:23,082 INFO L853 garLoopResultBuilder]: At program point L4247(lines 4246 4248) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,082 INFO L853 garLoopResultBuilder]: At program point L4214(lines 4213 4215) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,082 INFO L853 garLoopResultBuilder]: At program point L4214-1(lines 4213 4215) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,082 INFO L853 garLoopResultBuilder]: At program point L4214-2(lines 4213 4215) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049-1(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049-3(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049-2(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049-5(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,083 INFO L857 garLoopResultBuilder]: For program point L4049-4(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,084 INFO L857 garLoopResultBuilder]: For program point L3851(lines 3851 3854) no Hoare annotation was computed. [2021-11-03 03:55:23,084 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-03 03:55:23,084 INFO L853 garLoopResultBuilder]: At program point L3852(lines 3793 3873) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,084 INFO L857 garLoopResultBuilder]: For program point L3456(lines 3456 3460) no Hoare annotation was computed. [2021-11-03 03:55:23,084 INFO L857 garLoopResultBuilder]: For program point L3456-2(lines 3456 3460) no Hoare annotation was computed. [2021-11-03 03:55:23,085 INFO L853 garLoopResultBuilder]: At program point L4117-1(lines 4093 4122) the Hoare annotation is: (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,085 INFO L853 garLoopResultBuilder]: At program point L4117(lines 4093 4122) the Hoare annotation is: (let ((.cse0 (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32)))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base) .cse2 .cse3) (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse1 .cse2 .cse3))) [2021-11-03 03:55:23,085 INFO L857 garLoopResultBuilder]: For program point L3985(lines 3985 3990) no Hoare annotation was computed. [2021-11-03 03:55:23,085 INFO L857 garLoopResultBuilder]: For program point L3820(lines 3820 3823) no Hoare annotation was computed. [2021-11-03 03:55:23,085 INFO L857 garLoopResultBuilder]: For program point L3490(lines 3490 3494) no Hoare annotation was computed. [2021-11-03 03:55:23,085 INFO L857 garLoopResultBuilder]: For program point L3490-2(lines 3487 3494) no Hoare annotation was computed. [2021-11-03 03:55:23,086 INFO L853 garLoopResultBuilder]: At program point L4250(lines 4184 4189) the Hoare annotation is: (and (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,086 INFO L857 garLoopResultBuilder]: For program point L4086(lines 4071 4087) no Hoare annotation was computed. [2021-11-03 03:55:23,086 INFO L857 garLoopResultBuilder]: For program point L3987-1(lines 3985 3990) no Hoare annotation was computed. [2021-11-03 03:55:23,086 INFO L857 garLoopResultBuilder]: For program point L3987(lines 3987 3990) no Hoare annotation was computed. [2021-11-03 03:55:23,086 INFO L853 garLoopResultBuilder]: At program point L3922(lines 3911 3924) the Hoare annotation is: (let ((.cse0 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse1 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse0 .cse1) (and (not (= ULTIMATE.start_kbtab_init_~retval~1 (_ bv0 32))) .cse0 .cse1))) [2021-11-03 03:55:23,087 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-03 03:55:23,087 INFO L853 garLoopResultBuilder]: At program point L4154loopEntry(lines 4154 4173) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,087 INFO L853 garLoopResultBuilder]: At program point L4220(lines 4219 4221) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,087 INFO L853 garLoopResultBuilder]: At program point L4154-2loopEntry(lines 4154 4173) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,087 INFO L853 garLoopResultBuilder]: At program point L3923(lines 3909 3925) the Hoare annotation is: (let ((.cse0 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse1 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse0 .cse1) (and (not (= ULTIMATE.start_kbtab_init_~retval~1 (_ bv0 32))) .cse0 (not (= (_ bv0 32) |ULTIMATE.start_kbtab_init_#res|)) .cse1))) [2021-11-03 03:55:23,088 INFO L853 garLoopResultBuilder]: At program point L3428(lines 3422 3430) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,088 INFO L853 garLoopResultBuilder]: At program point L3461(lines 3449 3463) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,088 INFO L857 garLoopResultBuilder]: For program point L4155-1(lines 4154 4173) no Hoare annotation was computed. [2021-11-03 03:55:23,088 INFO L857 garLoopResultBuilder]: For program point L4155(lines 4154 4173) no Hoare annotation was computed. [2021-11-03 03:55:23,088 INFO L853 garLoopResultBuilder]: At program point L4089(lines 4066 4091) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64))) (.cse2 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.offset|)) (.cse5 (= |ULTIMATE.start_usb_alloc_coherent_#res.offset| (_ bv0 64))) (.cse8 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse7 (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (.cse6 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse10 (= (_ bv0 64) ULTIMATE.start_usb_alloc_coherent_~arbitrary_memory~0.base)) (.cse9 (= ~ldv_urb_state~0 (_ bv0 32))) (.cse4 (= (_ bv0 64) |ULTIMATE.start_usb_alloc_coherent_#res.base|))) (or (and (not (= (bvadd ULTIMATE.start_usb_free_coherent_~addr.base ULTIMATE.start_usb_free_coherent_~addr.offset) (_ bv0 64))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.offset) .cse5 (= (_ bv0 64) ULTIMATE.start_usb_alloc_urb_~arbitrary_memory~1.base) .cse6 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse3 .cse4 .cse10 .cse5 (= ULTIMATE.start_usb_alloc_coherent_~arbitrary_memory~0.offset (_ bv0 64)) .cse6 .cse7 .cse8 .cse9))) (and (not .cse8) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not .cse7) .cse6 (not .cse10) .cse9 (not .cse4)))) [2021-11-03 03:55:23,089 INFO L857 garLoopResultBuilder]: For program point L4156(lines 4154 4173) no Hoare annotation was computed. [2021-11-03 03:55:23,089 INFO L857 garLoopResultBuilder]: For program point L4156-1(lines 4154 4173) no Hoare annotation was computed. [2021-11-03 03:55:23,089 INFO L853 garLoopResultBuilder]: At program point L3496(lines 3475 3498) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,089 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-03 03:55:23,089 INFO L860 garLoopResultBuilder]: At program point L4058(lines 4058 4059) the Hoare annotation is: true [2021-11-03 03:55:23,090 INFO L860 garLoopResultBuilder]: At program point L4058-2(lines 4058 4059) the Hoare annotation is: true [2021-11-03 03:55:23,090 INFO L860 garLoopResultBuilder]: At program point L4058-1(lines 4058 4059) the Hoare annotation is: true [2021-11-03 03:55:23,090 INFO L860 garLoopResultBuilder]: At program point L4058-3(lines 4058 4059) the Hoare annotation is: true [2021-11-03 03:55:23,090 INFO L853 garLoopResultBuilder]: At program point L4257(lines 4256 4258) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,090 INFO L853 garLoopResultBuilder]: At program point L4224(lines 4223 4225) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,090 INFO L853 garLoopResultBuilder]: At program point L3531(lines 3525 3533) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,091 INFO L857 garLoopResultBuilder]: For program point L3994(lines 3994 4030) no Hoare annotation was computed. [2021-11-03 03:55:23,091 INFO L853 garLoopResultBuilder]: At program point L4028(lines 3980 4031) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-11-03 03:55:23,091 INFO L853 garLoopResultBuilder]: At program point L3995(lines 3994 4030) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-11-03 03:55:23,091 INFO L853 garLoopResultBuilder]: At program point L3863(lines 3793 3873) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,091 INFO L853 garLoopResultBuilder]: At program point L3401-1(lines 3394 3403) the Hoare annotation is: (let ((.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse3 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse3) (and (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.offset) .cse0 .cse1 .cse2 .cse3 (= (_ bv0 64) ULTIMATE.start_kbtab_probe_~kbtab~3.base)))) [2021-11-03 03:55:23,091 INFO L853 garLoopResultBuilder]: At program point L3401(lines 3394 3403) the Hoare annotation is: (let ((.cse3 (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (.cse0 (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32))) (.cse1 (= ~ldv_coherent_state~0 (_ bv0 32))) (.cse2 (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) (.cse4 (= ~ldv_urb_state~0 (_ bv0 32)))) (or (and (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.base|) .cse0 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.base|) (= |ULTIMATE.start_ldv_malloc_#res.offset| (_ bv0 64)) .cse1 (= (_ bv0 64) |ULTIMATE.start_kmalloc_#res.offset|) .cse2 .cse3 (= (_ bv0 64) |ULTIMATE.start___kmalloc_#res.offset|) .cse4) (and (not .cse3) .cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)) .cse1 .cse2 .cse4))) [2021-11-03 03:55:23,092 INFO L853 garLoopResultBuilder]: At program point L4227(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,092 INFO L853 garLoopResultBuilder]: At program point L4227-1(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,092 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-03 03:55:23,092 INFO L853 garLoopResultBuilder]: At program point L4227-2(lines 4226 4228) the Hoare annotation is: (and (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32))) [2021-11-03 03:55:23,092 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4049) no Hoare annotation was computed. [2021-11-03 03:55:23,092 INFO L853 garLoopResultBuilder]: At program point L4129loopEntry(lines 4129 4142) the Hoare annotation is: (and (not (= (_ bv0 64) |ULTIMATE.start_ldv_malloc_#res.base|)) (= (bvadd ULTIMATE.start_kbtab_probe_~error~0 (_ bv12 32)) (_ bv0 32)) (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) |ULTIMATE.start_ldv_undefined_pointer_#res.base|)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,092 INFO L857 garLoopResultBuilder]: For program point L3997(lines 3997 4030) no Hoare annotation was computed. [2021-11-03 03:55:23,092 INFO L857 garLoopResultBuilder]: For program point L4130(line 4130) no Hoare annotation was computed. [2021-11-03 03:55:23,093 INFO L857 garLoopResultBuilder]: For program point L4163(lines 4163 4168) no Hoare annotation was computed. [2021-11-03 03:55:23,093 INFO L853 garLoopResultBuilder]: At program point L4097loopEntry(lines 4097 4116) the Hoare annotation is: (and (not (= ULTIMATE.start_kbtab_probe_~error~0 (_ bv0 32))) (= ~ldv_coherent_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,093 INFO L857 garLoopResultBuilder]: For program point L4163-2(lines 4163 4168) no Hoare annotation was computed. [2021-11-03 03:55:23,093 INFO L853 garLoopResultBuilder]: At program point L3998(lines 3997 4030) the Hoare annotation is: (let ((.cse0 (= ~res_kbtab_probe_3~0 (_ bv0 32)))) (or (and .cse0 (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) (and .cse0 (= ~ldv_coherent_state~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))))) [2021-11-03 03:55:23,093 INFO L853 garLoopResultBuilder]: At program point L4097-2loopEntry(lines 4097 4116) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (not (= (_ bv0 64) (bvadd ULTIMATE.start_usb_free_urb_~urb.offset ULTIMATE.start_usb_free_urb_~urb.base))) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv0 32))) [2021-11-03 03:55:23,094 INFO L853 garLoopResultBuilder]: At program point L4230(lines 4229 4231) the Hoare annotation is: (and (= ~res_kbtab_probe_3~0 (_ bv0 32)) (= ~ldv_urb_state~0 (_ bv1 32)) (= ULTIMATE.start_main_~ldv_s_kbtab_driver_usb_driver~0 (_ bv1 32)) (= ~ldv_coherent_state~0 (_ bv1 32)) (= |ULTIMATE.start_kbtab_probe_#res| (_ bv0 32))) [2021-11-03 03:55:23,094 INFO L857 garLoopResultBuilder]: For program point L4098(lines 4097 4116) no Hoare annotation was computed. [2021-11-03 03:55:23,096 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:55:23,098 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:55:23,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:55:23 BoogieIcfgContainer [2021-11-03 03:55:23,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:55:23,151 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:55:23,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:55:23,151 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:55:23,152 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:54:19" (3/4) ... [2021-11-03 03:55:23,155 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-03 03:55:23,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2021-11-03 03:55:23,188 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-11-03 03:55:23,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-03 03:55:23,192 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-03 03:55:23,194 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-03 03:55:23,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || (((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv32 == \result)) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((~bvadd16(error, 12bv32) == 0bv32 && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 [2021-11-03 03:55:23,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-11-03 03:55:23,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0bv64 == \result && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0bv64 == \result && 0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-11-03 03:55:23,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-11-03 03:55:23,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 [2021-11-03 03:55:23,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) [2021-11-03 03:55:23,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && \result == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (~bvadd16(error, 12bv32) == 0bv32 && (((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || ((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && arbitrary_memory == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32)))) || ((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == arbitrary_memory)) && ldv_urb_state == 0bv32) && !(0bv64 == \result)) [2021-11-03 03:55:23,241 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) || (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(res_kbtab_probe_3 == 0bv32)) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,242 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,242 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 [2021-11-03 03:55:23,243 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && !(0bv64 == arbitrary_memory)) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == \result)) || ((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32)) || (((((((~bvadd16(error, 12bv32) == 0bv32 && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,244 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && 0bv64 == \result) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) [2021-11-03 03:55:23,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 03:55:23,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:55:23,450 INFO L168 Benchmark]: Toolchain (without parser) took 74827.07 ms. Allocated memory was 69.2 MB in the beginning and 494.9 MB in the end (delta: 425.7 MB). Free memory was 46.3 MB in the beginning and 306.0 MB in the end (delta: -259.7 MB). Peak memory consumption was 165.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,450 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:55:23,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1558.69 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 46.1 MB in the beginning and 39.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 151.42 ms. Allocated memory was 92.3 MB in the beginning and 138.4 MB in the end (delta: 46.1 MB). Free memory was 39.1 MB in the beginning and 97.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,454 INFO L168 Benchmark]: Boogie Preprocessor took 110.97 ms. Allocated memory is still 138.4 MB. Free memory was 97.9 MB in the beginning and 91.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,454 INFO L168 Benchmark]: RCFGBuilder took 8600.53 ms. Allocated memory is still 138.4 MB. Free memory was 91.6 MB in the beginning and 53.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,455 INFO L168 Benchmark]: TraceAbstraction took 64092.91 ms. Allocated memory was 138.4 MB in the beginning and 494.9 MB in the end (delta: 356.5 MB). Free memory was 53.3 MB in the beginning and 368.3 MB in the end (delta: -315.1 MB). Peak memory consumption was 259.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,455 INFO L168 Benchmark]: Witness Printer took 297.39 ms. Allocated memory is still 494.9 MB. Free memory was 368.3 MB in the beginning and 306.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. [2021-11-03 03:55:23,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 69.2 MB. Free memory is still 51.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1558.69 ms. Allocated memory was 69.2 MB in the beginning and 92.3 MB in the end (delta: 23.1 MB). Free memory was 46.1 MB in the beginning and 39.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 151.42 ms. Allocated memory was 92.3 MB in the beginning and 138.4 MB in the end (delta: 46.1 MB). Free memory was 39.1 MB in the beginning and 97.9 MB in the end (delta: -58.8 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 110.97 ms. Allocated memory is still 138.4 MB. Free memory was 97.9 MB in the beginning and 91.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8600.53 ms. Allocated memory is still 138.4 MB. Free memory was 91.6 MB in the beginning and 53.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 64092.91 ms. Allocated memory was 138.4 MB in the beginning and 494.9 MB in the end (delta: 356.5 MB). Free memory was 53.3 MB in the beginning and 368.3 MB in the end (delta: -315.1 MB). Peak memory consumption was 259.7 MB. Max. memory is 16.1 GB. * Witness Printer took 297.39 ms. Allocated memory is still 494.9 MB. Free memory was 368.3 MB in the beginning and 306.0 MB in the end (delta: 62.4 MB). Peak memory consumption was 62.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 63.9s, OverallIterations: 18, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 21.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4106 SDtfs, 6355 SDslu, 9362 SDs, 0 SdLazy, 750 SolverSat, 115 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 15.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1817 GetRequests, 1719 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1398occurred in iteration=10, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 18 MinimizatonAttempts, 9995 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 237 NumberOfFragments, 1750 HoareAnnotationTreeSize, 68 FomulaSimplifications, 43124851 FormulaSimplificationTreeSizeReduction, 5.2s HoareSimplificationTime, 68 FomulaSimplificationsInter, 106780 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 6.5s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 894 NumberOfCodeBlocks, 894 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1752 ConstructedInterpolants, 0 QuantifiedInterpolants, 3324 SizeOfPredicates, 70 NumberOfNonLiveVariables, 8555 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 3782]: Loop Invariant Derived loop invariant: ((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) - InvariantResult [Line: 3433]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4229]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 3394]: Loop Invariant Derived loop invariant: (((((((((0bv64 == \result && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4238]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) - InvariantResult [Line: 3475]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4209]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3994]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4256]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4184]: Loop Invariant Derived loop invariant: ldv_coherent_state == 0bv32 && ldv_urb_state == 0bv32 - InvariantResult [Line: 4097]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4097]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3465]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4246]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4223]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4235]: Loop Invariant Derived loop invariant: (res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3506]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3979]: Loop Invariant Derived loop invariant: ldv_coherent_state == 0bv32 && ldv_urb_state == 0bv32 - InvariantResult [Line: 3997]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4206]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3405]: Loop Invariant Derived loop invariant: (((((((((((0bv64 == \result && 0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && 0bv64 == \result) && \result == 0bv64) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4072]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4093]: Loop Invariant Derived loop invariant: (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && 0bv64 == arbitrary_memory) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || ((((!(~bvadd16(addr, addr) == 0bv64) && !(error == 0bv32)) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4093]: Loop Invariant Derived loop invariant: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3449]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3405]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3525]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3422]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(~bvadd16(addr, addr) == 0bv64) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && !(0bv64 == ~bvadd16(urb, urb))) && \result == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && !(error == 0bv32)) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3442]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 3433]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3911]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || ((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 3961]: Loop Invariant Derived loop invariant: ldv_urb_state == 0bv32 - InvariantResult [Line: 3980]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) || (((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4206]: Loop Invariant Derived loop invariant: (((((((~bvadd16(error, 12bv32) == 0bv32 && 0bv64 == \result) && \result == 0bv64) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4008]: Loop Invariant Derived loop invariant: ((((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) || (((((!(error == 0bv32) && ldv_coherent_state == 0bv32) && !(\result == 0bv32)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(res_kbtab_probe_3 == 0bv32)) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4124]: Loop Invariant Derived loop invariant: (((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && !(0bv64 == arbitrary_memory)) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == \result)) || ((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32)) || (((((((~bvadd16(error, 12bv32) == 0bv32 && ldv_coherent_state == 1bv32) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4238]: Loop Invariant Derived loop invariant: ((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((((~bvadd16(error, 12bv32) == 0bv32 && \result == 0bv64) && 0bv64 == \result) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4154]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && !(error == 0bv32)) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4219]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4066]: Loop Invariant Derived loop invariant: (((((((((((!(~bvadd16(addr, addr) == 0bv64) && ~bvadd16(error, 12bv32) == 0bv32) && \result == 0bv64) && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && \result == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || (~bvadd16(error, 12bv32) == 0bv32 && (((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && 0bv64 == arbitrary_memory) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32) || ((((((((((\result == 0bv64 && ldv_coherent_state == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && 0bv64 == arbitrary_memory) && \result == 0bv64) && arbitrary_memory == 0bv64) && ldv_s_kbtab_driver_usb_driver == 0bv32) && 0bv64 == \result) && 0bv64 == \result) && ldv_urb_state == 0bv32)))) || ((((((((!(0bv64 == \result) && ~bvadd16(error, 12bv32) == 0bv32) && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 1bv32) && !(0bv64 == \result)) && ldv_s_kbtab_driver_usb_driver == 0bv32) && !(0bv64 == arbitrary_memory)) && ldv_urb_state == 0bv32) && !(0bv64 == \result)) - InvariantResult [Line: 4058]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3394]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 4226]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3909]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_coherent_state == 0bv32) && ldv_urb_state == 0bv32) || (((!(retval == 0bv32) && ldv_coherent_state == 0bv32) && !(0bv32 == \result)) && ldv_urb_state == 0bv32) - InvariantResult [Line: 4181]: Loop Invariant Derived loop invariant: ldv_urb_state == 0bv32 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4213]: Loop Invariant Derived loop invariant: ((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: ((!(error == 0bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32 - InvariantResult [Line: 4154]: Loop Invariant Derived loop invariant: (((res_kbtab_probe_3 == 0bv32 && ldv_urb_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 1bv32) && ldv_coherent_state == 1bv32) && \result == 0bv32 - InvariantResult [Line: 4201]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) - InvariantResult [Line: 3569]: Loop Invariant Derived loop invariant: (((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_urb_state == 1bv32) && ldv_coherent_state == 1bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32 - InvariantResult [Line: 3512]: Loop Invariant Derived loop invariant: ((((~bvadd16(error, 12bv32) == 0bv32 && res_kbtab_probe_3 == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) || (((((0bv64 == kbtab && ~bvadd16(error, 12bv32) == 0bv32) && ldv_coherent_state == 0bv32) && ldv_s_kbtab_driver_usb_driver == 0bv32) && ldv_urb_state == 0bv32) && 0bv64 == kbtab) RESULT: Ultimate proved your program to be correct! [2021-11-03 03:55:23,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb2b66d7-6368-4db8-9c27-049848de56c3/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE